WWW.ROBTEX.COM - mad1b.c.root-servers.org
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mad1b.c.root-servers.org checked at 2025-10-12T10:36:48.259Z 173ms 32/32/32 100% R:10mad1b.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 address: 66.28.9.67.
dbq