DNSWHOIS.INFO - rwc-bb4.cerf.net
Search for IP or hostnames:
rwc-bb4.cerf.net checked at 2025-10-27T12:44:33.167Z 264ms 55/55/55 100% R:12rwc-bb4.cerf.net
| NS | ns-east.cerf.net | ||||||
| A | 2001:1890:1ff:9f1:99:99:99:136 🇺🇸 AT&T US - 7018 | ||||||
| PTR | ns-east.cerf.net | ||||||
| A | 99.99.99.136🇺🇸 AT&T US - 7018 | ||||||
| PTR | ns-east.cerf.net | ||||||
| NS | ns-west.cerf.net | ||||||
| A | 2001:1890:1ff:9f0:68:94:156:136 🇺🇸 AT&T US - 7018 | ||||||
| PTR | ns-west.cerf.net | ||||||
| A | 68.94.156.136🇺🇸 AT&T US - 7018 | ||||||
| PTR | ns-west.cerf.net | ||||||
| A | 134.24.127.44🇺🇸 AT&T US - 7018 | ||||||
| PTR | rwc-bb4.cerf.net | ||||||
cerf.net
| NS | ns-east.cerf.net | ||||||
| NS | ns-west.cerf.net | ||||||
| MX | mxa-00191d01.gslb.pphosted.com | ||||||
| MX | mxb-00191d01.gslb.pphosted.com | ||||||
rank #31659 in the tld
PTR for
AI analysis
rwc-bb4.cerf.net resolves to a single IP: 134.24.127.44.
rwc-bb4.cerf.net has two name servers: ns-east.cerf.net and ns-west.cerf.net.
rwc-bb4.cerf.net shares the same name server setup as other domains, for example 58.16.206.in-addr.arpa, 192.187.209.in-addr.arpa, ens.att.com, 2.241.63.in-addr.arpa and 121.18.206.in-addr.arpa.
rwc-bb4.cerf.net shares some name servers with other domains, for example utdol.net, 125.108.199.in-addr.arpa, uptodate.com, caapid.org and utdonline.com.
these name servers are often used with cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.sbcidc.com, ns2.sbcidc.com, ns1.usi.net, ns2.usi.net, ns3.usi.net, ns4.usi.net, dbru.br.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net.
Host names with two IP numbers:
ns-east.cerf.net points to: 2001:1890:1ff:9f1:99:99:99:136 and 99.99.99.136; ns-west.cerf.net points to: 2001:1890:1ff:9f0:68:94:156:136 and 68.94.156.136.