CF1760262503723-tsm20251012072614

WWW.ROBTEX.COM - douglas.lib.co.us

Search for IP or hostnames:

douglas.lib.co.us checked at 2025-10-12T09:48:23.706Z 4575ms 120/120/120 100% R:18

douglas.lib.co.us

NSauthns1.qwest.net
A2001:428::5🇺🇸 Lumen AS209
PTRauthns1.qwest.net
A63.150.72.4🇺🇸 Lumen AS209
PTRauthns1.centurylink.net
PTRauthns1.qwest.net
PTRauthns1.lumen.tech
NSauthns2.qwest.net
A2001:428::6🇺🇸 Lumen AS209
PTRauthns2.qwest.net
A208.44.130.120🇺🇸 Lumen AS209
PTRauthns2.centurylink.net
PTRauthns2.qwest.net
PTRauthns2.lumen.tech
MXmailb.apa.qwest.net
MXmailr.apa.qwest.net
A63.150.158.89🇺🇸 Lumen AS209
PTRmailr.apa.qwest.net
MXmail.douglas.lib.co.us
A198.59.43.40🇺🇸 Lumen AS209
A198.59.43.180🇺🇸 Lumen AS209

lib.co.us

NSns1.localitymanagement.us
NSns2.localitymanagement.us
NSns3.localitymanagement.us
NSns4.localitymanagement.us
rank #201437 globally
rank #878 in the tld

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Starts with same word

Starts similarily

AI analysis

douglas.lib.co.us is the parent of mail.douglas.lib.co.us.

douglas.lib.co.us resolves to a single IP: 198.59.43.180.

douglas.lib.co.us has two name servers: authns1.qwest.net and authns2.qwest.net.

douglas.lib.co.us shares the same name server setup as other domains, for example 40.65.in-addr.arpa, 17.79.66.in-addr.arpa, 213.77.66.in-addr.arpa, porquemexico.com and 5.127.65.in-addr.arpa.

douglas.lib.co.us at least partially shares name servers with other domains; for example principalsummitseries.com and singlepulse.com; cuone.org and thelungclinic.com.

These name servers are commonly used together with auth111.ns.uu.net and auth120.ns.uu.net.

Host names with two IP numbers:

authns1.qwest.net points to: 2001:428::5 and 63.150.72.4; authns2.qwest.net points to: 2001:428::6 and 208.44.130.120.

douglas.lib.co.us is handled by three mail servers: mailb.apa.qwest.net, mailr.apa.qwest.net and mail.douglas.lib.co.us.

douglas.lib.co.us shares some mail servers with other domains, at least partially; for instance mcc.qwest.net, iad.qwest.net, mail.douglas.lib.co.us, jsv.qwest.net and qis.qwest.net.

these mail servers are commonly used alongside mailr.iad.qwest.net, mailr.ewr.qwest.net.mcc.qwest.net and mailr.jsv.qwest.net.mcc.qwest.net.

Host names with a single IP:

mailr.apa.qwest.net points to 63.150.158.89

mail.douglas.lib.co.us points to 198.59.43.40

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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