CF1761682084208-tsm20251027103946

MXLIST.NET - firstclassweb.com

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firstclassweb.com checked at 2025-10-28T20:08:04.201Z 235ms 99/99/99 100% R:10

firstclassweb.com

NSpdns01.domaincontrol.com
A2603:5:21e0::32 🇺🇸 GODADDY-DNS-GLOBAL
PTRpdns01.domaincontrol.com
A97.74.110.50🇺🇸 GODADDY-DNS-GLOBAL
PTRpdns01.domaincontrol.com
NSpdns02.domaincontrol.com
A2603:5:22e0::32 🇺🇸 GODADDY-DNS-GLOBAL
PTRpdns02.domaincontrol.com
A173.201.78.50🇺🇸 GODADDY-DNS-GLOBAL
PTRpdns02.domaincontrol.com
MXfirstclassweb-com.mail.protection.outlook.com
A2a01:111:f403:c902::3 🇺🇸 Microsoft
PTRmail-sj0pr03cu01703.inbound.protection.outlook.com
A2a01:111:f403:f802::2 🇺🇸 Microsoft
PTRmail-sj2pr05cu00202.inbound.protection.outlook.com
A2a01:111:f403:f907:: 🇺🇸 Microsoft
A2a01:111:f403:f910:: 🇺🇸 Microsoft
PTRmail-cy5pr03cu00300.inbound.protection.outlook.com
A52.101.8.36🇺🇸 Microsoft
A52.101.8.51🇺🇸 Microsoft
PTRmail-dm1pr04cu00203.inbound.protection.outlook.com
A52.101.41.4🇺🇸 Microsoft
PTRmail-sj2pr05cu00204.inbound.protection.outlook.com
A52.101.194.15🇺🇸 Microsoft
PTRmail-ch4pr21cu00107.inbound.protection.outlook.com
A209.59.156.36🇺🇸 LiquidWeb
PTRsws5.g3servers.com

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NSa.gtld-servers.net
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net

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AI analysis

firstclassweb.com is the parent of ns2.firstclassweb.com.

firstclassweb.com resolves to one IP number: 209.59.156.36.

other host names including hmhllc.com, ns21.idhinternet.com, gear3.com, topspingroup.com and njfh.org share IP numbers with firstclassweb.com.

firstclassweb.com is delegated to two name servers pdns01.domaincontrol.com and pdns02.domaincontrol.com.

firstclassweb.com shares the same name server setup as other domains, for instance cwpnyc.com, jcvma.org, merino.com.pe, puppy-toy.com and vgeoryspa.com.

firstclassweb.com at least partially shares name servers with other domains, for instance framoe.de, kanzlei-plattling.de, aluwerk-hettstedt.de, termingo.de and kunsthandwerk-hef.de.

Host names with two IP numbers:

The host name pdns01.domaincontrol.com points to 2603:5:21e0::32 and 97.74.110.50; the host name pdns02.domaincontrol.com points to 2603:5:22e0::32 and 173.201.78.50.

firstclassweb.com is handled by a single mail server, firstclassweb-com.mail.protection.outlook.com.

Host firstclassweb-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:f802::2, 2a01:111:f403:f907::, 2a01:111:f403:f910::, 52.101.8.36, 52.101.8.51, 52.101.41.4 and 52.101.194.15.

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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