`runner-auth.actions.githubusercontent.com`

CNAME	`glb-db52c2cf8be544.github.com`
DNSSEC	⚠️ Not signed
A	140.82.114.21^{🇺🇸 GITHUB140.82.114.0/24 GitHub}
		PTR	`lb-140-82-114-21-iad.github.com`

`actions.githubusercontent.com`

	DNSSEC	⚠️ Not signed
	NS	`dns1.p01.nsone.net` ⭐ ⚠️ Not in parent delegation
	NS	`dns2.p01.nsone.net` ⚠️ Not in parent delegation
	NS	`dns3.p01.nsone.net` ⚠️ Not in parent delegation
	NS	`dns4.p01.nsone.net` ⚠️ Not in parent delegation
	SOA	`dns1.p01.nsone.net`hostmaster@nsone.net serial=1686092373

DNS History

1 record (1 active, 0 former)

●CNAMEglb-db52c2cf8be544.github.com2026-02-24 → 2026-07-13 · 2 obs

● 2026-02-24 01:28:58
● 2026-07-13 08:13:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
githubusercontent.com	ns-181.awsdns-22.com, ns-596.awsdns-10.net, ns-1867.awsdns-41.co.uk, ns-1411.awsdns-48.org...	2 records
actions.githubusercontent.com	dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net...	-

✅ Authoritative Response

Server:198.51.45.65

NS records: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, ns-1170.awsdns-18.org, ns-1662.awsdns-15.co.uk, ns-461.awsdns-57.com, ns-586.awsdns-09.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for githubusercontent.com (unsigned zone)

⏱️ Timing

Total: 607ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`glb-db52c2cf8be544.github.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-181.awsdns-22.com, ns-181.awsdns-22.com)

Analysis

IP Addresses

runner-auth.actions.githubusercontent.com has exactly one IP address — 140.82.114.21.

Additional host names — including lb-140-82-114-21-iad.github.com and ws.support.github.com — share IP numbers with runner-auth.actions.githubusercontent.com.

runner-auth.actions.githubusercontent.com - robtex.com