www.github.dev - robtex.com
www.github.dev
| CNAME | vsapi-cluster-prod-rel-web-perf-tm.trafficmanager.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.137.3.17🇳🇱 Microsoft51.136.0.0/15 | ||||||
github.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.137.3.17🇳🇱 Microsoft51.136.0.0/15 | ||||||
| NS | dns1.p02.nsone.net ⭐ | ||||||
| NS | dns2.p02.nsone.net | ||||||
| NS | dns3.p02.nsone.net | ||||||
| NS | dns4.p02.nsone.net | ||||||
| TXT | lm56krkgsb3b77jjfj77hqhfmqmsd9zh | ||||||
| SOA | dns1.p02.nsone.nethostmaster@nsone.net serial=1655774261 | ||||||
rank #128 in the tld
📈 Tranco rank: #41,428
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○CNAMEgithub.github.io2019-02-24 → 2019-02-24 · 3 obs
● 2019-02-24 07:07:50
○ 2026-03-22 09:17:34
○ 2026-07-04 19:39:00
○ 2026-03-22 09:17:34
○ 2026-07-04 19:39:00
●CNAMEvsapi-cluster-prod-rel-web-perf-tm.trafficmanager.net2026-03-22 → 2026-07-04 · 3 obs
○ 2019-02-24 07:07:50
● 2026-03-22 09:17:34
● 2026-07-04 19:39:00
● 2026-03-22 09:17:34
● 2026-07-04 19:39:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | - |
| github.dev | dns2.p02.nsone.net, dns1.p02.nsone.net, dns3.p02.nsone.net, dns4.p02.nsone.net | - |
✅ Authoritative Response
Server:198.51.44.66
NS records: dns2.p02.nsone.net, dns1.p02.nsone.net, dns3.p02.nsone.net, dns4.p02.nsone.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for github.dev (unsigned zone)
⏱️ Timing
Total: 415ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | vsapi-cluster-prod-rel-web-perf-tm.traff |
Analysis
IP Addresses
www.github.dev directs to one IP number, which is 51.137.3.17.
Among the host names that share IP numbers with www.github.dev are online.visualstudio.com, vsapi-cluster-prod-rel-euw-v3-cluster.westeurope.cloudapp.azure.com, github.dev and two others.