WWW.RTSAK.COM - 231.206.in-addr.arpa
Search for IP or hostnames:
231.206.in-addr.arpa checked at 2025-10-31T23:45:57.743Z 576ms 50/50/50 100% R:8231.206.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 | ||||||
206.in-addr.arpa
| NS | r.arin.net | ||||||
| NS | u.arin.net | ||||||
| NS | x.arin.net | ||||||
| NS | y.arin.net | ||||||
| NS | z.arin.net | ||||||
| NS | arin.authdns.ripe.net | ||||||
Up
Starts with same word
| 231.pl | 
| 231.la | 
| 231.me | 
| 231.ca | 
| 231.de | 
| 231.in-addr.arpa | 
| 231.email | 
| 231.at | 
| 231.it | 
| 231.cz | 
| 231.ltd | 
| 231.chat | 
| 231.run | 
| 231.ru | 
| 231.io | 
| 231.nl | 
| 231.cc | 
| 231.us | 
| 231.com | 
Starts similarily
AI analysis
231.206.in-addr.arpa is parent of 23.231.206.in-addr.arpa, 10.231.206.in-addr.arpa, 8.231.206.in-addr.arpa and 224.231.206.in-addr.arpa.
231.206.in-addr.arpa is delegated to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com. 
231.206.in-addr.arpa uses the same name server setup as other domains such as 195.65.38.in-addr.arpa, 230.144.in-addr.arpa, 13.40.206.in-addr.arpa, 4.33.192.in-addr.arpa and 133.28.208.in-addr.arpa.
231.206.in-addr.arpa shares name servers with other domains at least partially, for example ups.com.pt, upsquantumview.com, 142.41.206.in-addr.arpa, motorcargo.biz and rbb24.de.
these name servers are commonly used with the name servers cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, nsa.ups.com, nsb.ups.com, ns1.vodafone-ip.de, ns2.vodafone-ip.de, ns1.netrail.net, ns2.netrail.net and ns3.netrail.net.
Host names with two IP numbers:
auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14; auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.