DNSWHOIS.INFO - 4.21.47.in-addr.arpa
Search for IP or hostnames:
4.21.47.in-addr.arpa checked at 2025-10-29T08:11:11.734Z 111ms 36/36/36 100% R:74.21.47.in-addr.arpa
| NS | authns1.cvnet.com | ||||||
| A | 167.206.13.20🇺🇸 Cablevision Systems Corporation | ||||||
| PTR | dns1.cvnet.com | ||||||
| NS | authns1.cv.net | ||||||
| A | 167.206.12.12🇺🇸 Cablevision Systems Corporation | ||||||
| PTR | dns1.cv.net | ||||||
21.47.in-addr.arpa
Up
Starts with same word
Starts similarily
AI analysis
4.21.47.in-addr.arpa is a parent of 162.4.21.47.in-addr.arpa, 164.4.21.47.in-addr.arpa and 165.4.21.47.in-addr.arpa.
4.21.47.in-addr.arpa is delegated to two name servers: authns1.cvnet.com and authns1.cv.net.
4.21.47.in-addr.arpa shares the same name server setup as 189.87.67.in-addr.arpa, 143.74.69.in-addr.arpa, 144.56.96.in-addr.arpa, 35.45.24.in-addr.arpa and 80.38.24.in-addr.arpa.
Host names with a single IP:
authns1.cvnet.com points to 167.206.13.20.
authns1.cv.net points to 167.206.12.12.
dbq