DNSWHOIS.INFO - 221.28.66.in-addr.arpa
Search for IP or hostnames:
221.28.66.in-addr.arpa checked at 2025-11-25T07:31:55.586Z 150ms 50/50/50 100% R:10 allDone:true timedOut:false 221.28.66.in-addr.arpa
| NS | auth1.dns.cogentco.com | ||||||
| A | 2001:550:1:a::d 🇺🇸 COGENT | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14🇺🇸 COGENT | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
| A | 2001:550:1:b::d 🇺🇸 COGENT | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30🇺🇸 COGENT | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
28.66.in-addr.arpa
Up
Starts with same word
221.la |
221.org |
221.co.uk |
221.money |
221.cz |
221.cn |
221.org.cn |
221.life |
221.com.ua |
221.us |
221.one |
221.net |
221.es |
221.co |
221.de |
221.in-addr.arpa |
221.tel |
221.ca |
221.com |
221.ru |
Starts similarily
AI analysis
221.28.66.in-addr.arpa is a parent of 133.221.28.66.in-addr.arpa, 136.221.28.66.in-addr.arpa and 143.221.28.66.in-addr.arpa.
221.28.66.in-addr.arpa is delegated to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.
221.28.66.in-addr.arpa uses the same name server setup as other domains, for instance 120.177.216.in-addr.arpa, dca02.atlas.cogentco.com, 129.20.212.in-addr.arpa, 152.38.in-addr.arpa and 189.38.in-addr.arpa.
221.28.66.in-addr.arpa shares name servers with other domains at least partially, for instance tc.edu, berlinale-radio.de, martrac.com, gbabuilders.com and ohrenbaer.de.
these name servers are commonly used with the name servers nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de, ns2.vodafone-ip.de, ns3.ionet.net, ns4.ionet.net, ns5.ionet.net and ns6.ionet.net.
Host names with two IP numbers:
The host auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14.
The host auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.