IPLIST.NET - 21.66.77.in-addr.arpa
Search for IP or hostnames:
21.66.77.in-addr.arpa checked at 2025-10-31T21:06:27.386Z 267ms 47/47/47 100% R:1521.66.77.in-addr.arpa
| NS | authns1.ngdc.net | ||||||
| A | 2001:1448:0:a800::53 🇩🇰 Netgroup A/S | ||||||
| PTR | authns1.ngdc.net | ||||||
| A | 217.30.38.181🇩🇰 SENTIA | ||||||
| PTR | dns1.sentia.dk | ||||||
| NS | authns2.ngdc.net | ||||||
| A | 2001:1448:0:a500::53 🇩🇰 Netgroup A/S | ||||||
| PTR | authns2.ngdc.net | ||||||
| A | 217.30.38.27🇩🇰 SENTIA | ||||||
| PTR | dns2.sentia.dk | ||||||
66.77.in-addr.arpa
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AI analysis
21.66.77.in-addr.arpa is a parent of 9.21.66.77.in-addr.arpa, 11.21.66.77.in-addr.arpa, 161.21.66.77.in-addr.arpa and 98.21.66.77.in-addr.arpa.
21.66.77.in-addr.arpa's delegation is to two name servers authns1.ngdc.net and authns2.ngdc.net.
21.66.77.in-addr.arpa shares the same name server configuration as other domains, such as cph.ngdc.net, cex3d.net, ngdc.biz, 255.116.217.in-addr.arpa and hardcoreprocessing.com.
21.66.77.in-addr.arpa shares name servers with other domains to some extent, for instance 227.116.217.in-addr.arpa, 6.66.77.in-addr.arpa, 235.116.217.in-addr.arpa and 3drectifier.com.
Host names with two IP numbers: authns1.ngdc.net points to 2001:1448:0:a800::53 and 217.30.38.181; authns2.ngdc.net points to 2001:1448:0:a500::53 and 217.30.38.27