IPLIST.NET - 221.20.67.in-addr.arpa
Search for IP or hostnames:
221.20.67.in-addr.arpa checked at 2025-10-04T15:55:09.135Z 234ms 74/74/74 100% R:11221.20.67.in-addr.arpa
| NS | dns01.buffalo.edu | ||||||
| A | 2620:cc:8000:1863::80cd:145 🇺🇸 AS3685 | ||||||
| PTR | dns01.buffalo.edu | ||||||
| A | 128.205.1.69🇺🇸 AS3685 | ||||||
| PTR | dns01.buffalo.edu | ||||||
| NS | dns02.buffalo.edu | ||||||
| A | 2620:cc:8000:1863::80cd:146 🇺🇸 AS3685 | ||||||
| PTR | dns02.buffalo.edu | ||||||
| A | 128.205.1.70🇺🇸 AS3685 | ||||||
| PTR | dns02.buffalo.edu | ||||||
| NS | dns03.buffalo.edu | ||||||
| A | 2620:cc:8000:1863::80cd:147 🇺🇸 AS3685 | ||||||
| PTR | dns03.buffalo.edu | ||||||
| A | 128.205.1.71🇺🇸 AS3685 | ||||||
| PTR | dns03.buffalo.edu | ||||||
| NS | dns04.buffalo.edu | ||||||
| A | 2620:f:2:1002:1000::2 🇺🇸 NYSERNET-DC | ||||||
| PTR | dns04.buffalo.edu | ||||||
| A | 199.110.242.4🇺🇸 NYSERNET-DC | ||||||
| PTR | dns04.buffalo.edu | ||||||
| NS | accuvax.northwestern.edu | ||||||
| A | 2620:10d:2010:6011::100 🇺🇸 Northwestern University | ||||||
| A | 129.105.49.100🇺🇸 Northwestern University | ||||||
| PTR | accuvax.northwestern.edu | ||||||
20.67.in-addr.arpa
Starts with same word
221.us |
221.one |
221.net |
221.es |
221.co |
221.de |
221.in-addr.arpa |
221.tel |
221.ca |
221.com |
221.ru |
221.la |
221.org |
221.co.uk |
221.money |
221.cz |
221.cn |
221.it |
221.life |
221.com.ua |
Starts similarily
AI analysis
221.20.67.in-addr.arpa is delegated to five name servers: dns01.buffalo.edu, dns02.buffalo.edu, dns03.buffalo.edu, dns04.buffalo.edu and accuvax.northwestern.edu.
221.20.67.in-addr.arpa shares name servers with other domains at least partially, for instance theory.northwestern.edu, 43.205.128.in-addr.arpa, 49.124.165.in-addr.arpa, tss.northwestern.edu and 110.74.199.in-addr.arpa.
these name servers are often used with cicada.northwestern.edu, ns1a.rit.edu and ns2a.rit.edu.
Host names with two IP numbers:
dns01.buffalo.edu points to 2620:cc:8000:1863::80cd:145 and 128.205.1.69.
dns02.buffalo.edu points to 2620:cc:8000:1863::80cd:146 and 128.205.1.70.
dns03.buffalo.edu points to 2620:cc:8000:1863::80cd:147 and 128.205.1.71.
dns04.buffalo.edu points to 2620:f:2:1002:1000::2 and 199.110.242.4.
accuvax.northwestern.edu points to 2620:10d:2010:6011::100 and 129.105.49.100.