CF1760926834848-tsm20251017082432

MXLIST.NET - it-first.de

Search for IP or hostnames:

it-first.de checked at 2025-10-20T02:20:34.812Z 637ms 109/109/109 100% R:13

it-first.de

NSns1.domainoffensive.de
A2001:67c:1bc::21 ๐Ÿ‡ฆ๐Ÿ‡น RcodeZero Anycast DNS
PTRns1.mainns.de
A192.174.68.21๐Ÿ‡ฆ๐Ÿ‡น RcodeZero Anycast DNS
PTRns1.mainns.de
NSns2.domainoffensive.de
A2001:67c:10b8::21 ๐Ÿ‡จ๐Ÿ‡ญ RCODEZERO-ANYCAST-SEC2
PTRns2.mainns.eu
A176.97.158.21๐Ÿ‡ฆ๐Ÿ‡น RCODEZERO-ANYCAST-SEC2
PTRns2.mainns.eu
NSns3.domainoffensive.de
A2001:67c:1bc::20 ๐Ÿ‡ฆ๐Ÿ‡น RcodeZero Anycast DNS
PTRns3.mainns.net
A192.174.68.20๐Ÿ‡ฆ๐Ÿ‡น RcodeZero Anycast DNS
PTRns3.mainns.net
MXitfirst-de0e.mail.eo.outlook.com
A2a01:111:f403:ca04::8 ๐Ÿ‡ฎ๐Ÿ‡ช Microsoft
PTRmail-db5pr02cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca04::a ๐Ÿ‡ฎ๐Ÿ‡ช Microsoft
PTRmail-du0pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca09::4 ๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft
PTRmail-am0pr04cu00504.inbound.protection.outlook.com
A2a01:111:f403:ca09::d ๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A52.101.68.27๐Ÿ‡ฎ๐Ÿ‡ช Microsoft
PTRmail-db7pr03cu00503.inbound.protection.outlook.com
A52.101.68.39๐Ÿ‡ฎ๐Ÿ‡ช Microsoft
PTRmail-db7pr03cu00607.inbound.protection.outlook.com
A52.101.73.11๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
A52.101.73.28๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft
PTRmail-am7pr05cu00204.inbound.protection.outlook.com
A46.4.74.57๐Ÿ‡ฉ๐Ÿ‡ช Hetzner
PTRserver1030.dmsolutionsonline.de

de

NSa.nic.de
NSf.nic.de
NSz.nic.de
NSl.de.net
NSn.de.net
NSs.de.net

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Starts with same word

Starts similarily

AI analysis

it-first.de is parent of mail.it-first.de.

it-first.de points to a single IP: 46.4.74.57.

Other host names, for instance gruppe91.eu, tonfeld.com, manualedelpavimento.com, mail.villa-kunterbunt-tuebingen.de and mail.watch-and-learn.de share IP numbers with it-first.de.

it-first.de is delegated to three name servers: ns1.domainoffensive.de, ns2.domainoffensive.de and ns3.domainoffensive.de.

it-first.de at least partially shares its name servers with other domains, for instance mirko-stojanovic.com, kapital-invest.de, top-call.de, bluest.de and feurigel.de.

These name servers are commonly used alongside ns2.domainoffensive.eu and ns3.domainoffensive.net.

Host names with two IP numbers:

ns1.domainoffensive.de points to: 2001:67c:1bc::21 and 192.174.68.21.

ns2.domainoffensive.de points to: 2001:67c:10b8::21 and 176.97.158.21.

ns3.domainoffensive.de points to: 2001:67c:1bc::20 and 192.174.68.20.

it-first.de is served by a single mail server, itfirst-de0e.mail.eo.outlook.com.

The host name itfirst-de0e.mail.eo.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::8, 2a01:111:f403:ca04::a, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::d, 52.101.68.27, 52.101.68.39, 52.101.73.11 and 52.101.73.28.

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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FAbPvEI CF johedugfp 2025-10-20