WWW.RTSAK.COM - mad1b.c.root-servers.org
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mad1b.c.root-servers.org checked at 2025-10-04T02:29:02.221Z 971ms 25/25/25 100% R:5mad1b.c.root-servers.org
| A | 66.28.9.67🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | mad1b.c.root-servers.org | ||||||
c.root-servers.org
| NS | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
| A | 2001:550:1:301::134 🇺🇸 Cogent Communications, Inc. | ||||||
| A | 66.28.3.134🇺🇸 Cogent Communications, Inc. | ||||||
PTR for
AI analysis
mad1b.c.root-servers.org points to a single IP number: 66.28.9.67.
dbq