CF1760618821600-tsm20251016114356

IPLIST.NET - sip-center.de

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sip-center.de checked at 2025-10-16T12:47:01.585Z 175ms 47/47/47 100% R:16

AI analysis

sip-center.de points to a single IP: 10.0.0.0.

Other host names, for instance americanholeinone.com, free18.de, btenv.net, rty.se and btechlaw.org share IP numbers with sip-center.de.

sip-center.de is handled by a single mail server, smtp-in.portunity.de.

sip-center.de has the same mail server setup as other domains, including xn--mnnertrume-q5ag.de, xn--bcher-brse-kcb9d.de, xn--spielzeug-brse-5pb.de, marilynmonroe.de and rechtsanwalt-grundmann-itzehoe.de.

sip-center.de shares some mail servers with other domains, at least partially, such as enet-computer.de, portalbusiness.de, isp-reselling.info, fewo-scherb.de and phonecheck.de.

These mail servers are often used together with smtp-backup1.portunity.de and smtp-backup2.portunity.de.

Host smtp-in.portunity.de resolves to two IPs: 2a02:a00::2:0:0:52 and 217.144.128.52.

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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