CF1763746138168-tsm20251116095642

WWW.ROBTEX.COM - rwc-bb4.cerf.net

Search for IP or hostnames:

rwc-bb4.cerf.net checked at 2025-11-21T17:28:58.153Z 81ms 80/80/80 100% R:9 allDone:true timedOut:false

`rwc-bb4.cerf.net`

	NS	`ns-east.cerf.net`
			A	2001:1890:1ff:9f1:99:99:99:136^{🇺🇸 AS7018}
				PTR	`ns-east.cerf.net`
			A	99.99.99.136^{🇺🇸 AS7018}
				PTR	`ns-east.cerf.net`
	NS	`ns-west.cerf.net`
			A	2001:1890:1ff:9f0:68:94:156:136^{🇺🇸 AS7018}
				PTR	`ns-west.cerf.net`
			A	68.94.156.136^{🇺🇸 AS7018}
				PTR	`ns-west.cerf.net`
	A	134.24.127.44^{🇺🇸 AS7018}
			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 #865686 globally
rank #31659 in the tld

PTR for

44.127.24.134.in-addr.arpa

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, ns1.attemea.net and ns2.attemea.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.

dbq