spotify’s love/hate relationship with dns · dns@spotify — $ dig +short...
TRANSCRIPT
![Page 1: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/1.jpg)
Spotify’s Love/Hate Relationship with DNS
Lynn Root | SRE | @roguelynn
![Page 2: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/2.jpg)
$ whoami
![Page 3: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/3.jpg)
why we love DNS
• It’s boring • Stable query language • Free caching • Service discovery
—
![Page 4: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/4.jpg)
agenda—
![Page 5: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/5.jpg)
agenda
• Our infrastructure • Our DNS curiosities • What we’ve learned • Future of DNS @ Spotify
—
![Page 6: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/6.jpg)
Our Infrastructure—
![Page 7: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/7.jpg)
DNS@Spotify—
![Page 8: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/8.jpg)
DNS@Spotify—
![Page 9: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/9.jpg)
DNS@Spotify—
![Page 10: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/10.jpg)
DNS@Spotify—
![Page 11: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/11.jpg)
DNS@Spotify—
![Page 12: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/12.jpg)
DNS@Spotify—
![Page 13: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/13.jpg)
DNS@Spotify—
![Page 14: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/14.jpg)
Record Generation & Deployment—
![Page 15: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/15.jpg)
/msg #sre DNS DEPLOY!
DNS@Spotify—
![Page 16: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/16.jpg)
DNS@Spotify—
![Page 17: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/17.jpg)
DNS@Spotify—
![Page 18: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/18.jpg)
DNS@Spotify—
![Page 19: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/19.jpg)
DNS@Spotify—
![Page 20: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/20.jpg)
DNS@Spotify—
![Page 21: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/21.jpg)
DNS@Spotify—
![Page 22: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/22.jpg)
DNS@Spotify—
![Page 23: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/23.jpg)
Service Discovery—
![Page 24: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/24.jpg)
DNS@Spotify—
![Page 25: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/25.jpg)
DNS@Spotify—
Namelessservices.spotify.net
![Page 26: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/26.jpg)
Monitoring—
![Page 27: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/27.jpg)
DNS@Spotify—
![Page 28: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/28.jpg)
DNS@Spotify—
![Page 29: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/29.jpg)
DNS@Spotify—
![Page 30: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/30.jpg)
Global Server Load Balancing—
![Page 31: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/31.jpg)
Responding to the DynDNS attack—
![Page 32: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/32.jpg)
Response to DynDNS attack
• Monitoring dashboards & VPN were inaccessible • Internal SSO login inaccessible • Pagerduty also affected
—
![Page 33: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/33.jpg)
Response to DynDNS attack
• Couldn’t easily access DNS data repo • 3-year-old manual deployment documentation
—
![Page 34: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/34.jpg)
Response to DynDNS attack
• Internal services ➡ removed GSLB mapping • Spotify clients ➡ Route53 • Websites ➡ Route53
—
![Page 35: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/35.jpg)
Our DNS Curiosities—
![Page 36: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/36.jpg)
Client Error Reporting—
![Page 37: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/37.jpg)
DNS@Spotify—
![Page 38: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/38.jpg)
DHT Ring—
![Page 39: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/39.jpg)
DNS@Spotify—
![Page 40: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/40.jpg)
DNS@Spotify—
![Page 41: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/41.jpg)
DNS@Spotify—
lon6-storage-a5678.lon6.spotify.net:1234
tracks.1234.lon6-storage-a5678.lon6.spotify.net
![Page 42: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/42.jpg)
Microservice lookups—
![Page 43: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/43.jpg)
DNS@Spotify—
$ dig +short dnsresolver.roles.lon6.spotify.net
10.1.2.3
10.4.5.6
10.7.8.9
$ dig +short -t PTR dnsresolver.roles.ash2.spotify.net
ash2-dnsresolver-a1337.ash2.spotify.net.
ash2-dnsresolver-a0325.ash2.spotify.net.
ash2-dnsresolver-a0828.ash2.spotify.net.
![Page 44: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/44.jpg)
DNS@Spotify—
$ dig +short dnsresolver.roles.lon6.spotify.net
10.1.2.3
10.4.5.6
10.7.8.9
$ dig +short -t PTR dnsresolver.roles.lon6.spotify.net
lon6-dnsresolver-a1337.lon6.spotify.net.
lon6-dnsresolver-a0325.lon6.spotify.net.
lon6-dnsresolver-a0828.lon6.spotify.net.
![Page 45: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/45.jpg)
What we’ve learned—
![Page 46: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/46.jpg)
Differences in Linux distros—
![Page 47: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/47.jpg)
Scaling is hard—
![Page 48: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/48.jpg)
Dropped Responses—
![Page 49: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/49.jpg)
Docker—
![Page 50: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/50.jpg)
The future of DNS @ Spotify—
![Page 51: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/51.jpg)
Ephemerality—
![Page 52: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/52.jpg)
DNS@Spotify—
DNS
![Page 53: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/53.jpg)
recap
• On-premise infrastructure • Leveraging DNS beyond its intentions • It’s always DNS • Handing off the responsibility
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![Page 54: Spotify’s Love/Hate Relationship with DNS · DNS@Spotify — $ dig +short dnsresolver.roles.lon6.spotify.net 10.1.2.3 10.4.5.6 10.7.8.9 $ dig +short -t PTR dnsresolver.roles.ash2.spotify.net](https://reader033.vdocument.in/reader033/viewer/2022050402/5f801768ec6030625c5b3770/html5/thumbnails/54.jpg)
thanks!
Lynn Root | SRE | @roguelynn