DNSWHOIS.INFO - 7.21.89.in-addr.arpa
Search for IP or hostnames:
7.21.89.in-addr.arpa checked at 2025-10-24T23:54:48.926Z 719ms 94/94/94 100% R:127.21.89.in-addr.arpa
| NS | edns116.ultradns.biz | ||||||
| A | 2610:a1:1015::274 🇺🇸 Neustar | ||||||
| PTR | edns116.ultradns.biz | ||||||
| A | 204.74.67.116🇺🇸 Neustar | ||||||
| PTR | edns116.ultradns.biz | ||||||
| NS | edns116.ultradns.com | ||||||
| A | 2001:502:f3ff::274 🇺🇸 Neustar | ||||||
| PTR | edns116.ultradns.com | ||||||
| A | 204.74.66.116🇺🇸 Neustar | ||||||
| PTR | edns116.ultradns.com | ||||||
| MX | mx0.ukgrid.net | ||||||
| A | 89.21.28.41🇬🇧 Equinix | ||||||
| PTR | mx0.ukgrid.net | ||||||
| MX | mx1.ukgrid.net | ||||||
| A | 89.21.28.40🇬🇧 Equinix | ||||||
| PTR | mx1.ukgrid.net | ||||||
| NS | edns116.ultradns.net | ||||||
| A | 2610:a1:1014::274 🇺🇸 Neustar | ||||||
| PTR | edns116.ultradns.net | ||||||
| A | 204.74.110.116🇺🇸 Neustar | ||||||
| PTR | edns116.ultradns.net | ||||||
| NS | edns116.ultradns.org | ||||||
| A | 2001:502:4612::274 🇺🇸 Neustar | ||||||
| PTR | edns116.ultradns.org | ||||||
| A | 204.74.111.116🇺🇸 Neustar | ||||||
| PTR | edns116.ultradns.org | ||||||
| A | 89.107.17.204🇳🇱 Equinix | ||||||
| PTR | ukgrid.net | ||||||
21.89.in-addr.arpa
Starts with same word
Starts similarily
AI analysis
7.21.89.in-addr.arpa points to an IP address: 89.107.17.204.
other host names include 22.21.89.in-addr.arpa, 17.21.89.in-addr.arpa, 18.21.89.in-addr.arpa, 4.21.89.in-addr.arpa and 28.21.89.in-addr.arpa; they share IP numbers with 7.21.89.in-addr.arpa.
7.21.89.in-addr.arpa delegates to four name servers: edns116.ultradns.biz, edns116.ultradns.com, edns116.ultradns.net and edns116.ultradns.org.
7.21.89.in-addr.arpa at least partially shares name servers with other domains, for instance 4.119.85.in-addr.arpa, 189.52.213.in-addr.arpa, 217.133.82.in-addr.arpa, 66.90.81.in-addr.arpa and 1.0.f.4.4.0.4.2.ip6.arpa.
Host names with two IP numbers: edns116.ultradns.biz points to 2610:a1:1015::274 and 204.74.67.116; edns116.ultradns.com points to 2001:502:f3ff::274 and 204.74.66.116; edns116.ultradns.net points to 2610:a1:1014::274 and 204.74.110.116; edns116.ultradns.org points to 2001:502:4612::274 and 204.74.111.116.
7.21.89.in-addr.arpa is handled by two mail servers: mx0.ukgrid.net and mx1.ukgrid.net.
7.21.89.in-addr.arpa uses the same mail server setup as other domains, for instance 4.21.89.in-addr.arpa, 28.21.89.in-addr.arpa, 13.21.89.in-addr.arpa, 6.21.89.in-addr.arpa and 25.21.89.in-addr.arpa.
Host names with one IP:
mx0.ukgrid.net points to: 89.21.28.41
mx1.ukgrid.net points to: 89.21.28.40