ROBTEX.COM - core1-ulm.extension.net
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core1-ulm.extension.net checked at 2025-12-09T07:12:44.272Z 2186ms 54/54/54 100% R:12 allDone:true timedOut:false core1-ulm.extension.net
| MX | mail.extension.net | ||||||
| A | 84.245.134.2🇩🇪 Plusnet GmbH | ||||||
| A | 84.245.133.1🇩🇪 Plusnet GmbH | ||||||
| A | 84.245.134.1🇩🇪 Plusnet GmbH | ||||||
| A | 84.245.135.1🇩🇪 Plusnet GmbH | ||||||
extension.net
| NS | ns1.ispeg.eu | ||||||
| MX | efa.extension.net | ||||||
| NS | ns1.extension.net | ||||||
| NS | ns2.extension.net | ||||||
| A | 84.245.135.11🇩🇪 Plusnet GmbH | ||||||
PTR for
AI analysis
core1-ulm.extension.net points to three IPs: 84.245.133.1, 84.245.134.1 and 84.245.135.1.
core1-ulm.extension.net is handled by a single mail server, mail.extension.net.
core1-ulm.extension.net shares the same mail server setup as other domains, for instance proxy1.extension.net, ns1.extension.net, core2-ulm.extension.net, backup2.extension.net and mail2.extension.net.
core1-ulm.extension.net shares some mail servers with other domains, at least partially, for example linux-expo.de and linux-messe.de.
these mail servers are commonly used with the mail servers qmail.extension.net.
mail.extension.net resolves to IP 84.245.134.2.