WWW.RTSAK.COM - igs-os.de

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igs-os.de checked at 2025-10-12T20:07:29.792Z 698ms 104/104/104 100% R:17

`igs-os.de`

MX	`igs-os.de`
		A	91.249.231.81^{🇩🇪 EWE TEL}
			PTR	`leasedline-static-091-249-231-081.ewe-ip-backbone.de`
NS	`ns1.iserv.eu`
		A	2a01:4f8:c01f:42::1 ^{🇩🇪 Hetzner}
			PTR	`ns1.iserv.eu`
		A	116.202.2.219^{🇩🇪 Hetzner}
			PTR	`ns1.iserv.eu`
NS	`ns2.iserv.eu`
		A	2a03:4000:20:19b::1 ^{🇩🇪 netcup GmbH}
			PTR	`ns2.iserv.eu`
		A	91.204.44.133^{🇩🇪 netcup GmbH}
			PTR	`ns2.iserv.eu`
NS	`ns3.iserv.eu`
		A	2a01:4f8:1c0c:8111::1 ^{🇩🇪 Hetzner}
			PTR	`ns3.iserv.eu`
		A	116.203.7.41^{🇩🇪 Hetzner}
			PTR	`ns3.iserv.eu`
NS	`ns4.iserv.eu`
		A	2a03:4000:20:19e::1 ^{🇩🇪 netcup GmbH}
			PTR	`ns4.iserv.eu`
		A	188.68.45.203^{🇩🇪 netcup GmbH}
			PTR	`ns4.iserv.eu`
MX	`offline.iserv.eu`
		A	2a01:4f8:c2c:4863::1 ^{🇩🇪 Hetzner}
		A	159.69.47.32^{🇩🇪 Hetzner}
			PTR	`static.32.47.69.159.clients.your-server.de`
A	91.249.231.81^{🇩🇪 EWE TEL}
		PTR	`leasedline-static-091-249-231-081.ewe-ip-backbone.de`

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igs-os.de

igs-os.de serves as the mail server for igs-os.de.

offline.iserv.eu is commonly used as a mail server alongside igs-os.de.

igs-os.de resolves to one IP number: 91.249.231.81.

Other host names, for example leasedline-static-091-249-231-081.ewe-ip-backbone.de, share IP numbers with igs-os.de.

igs-os.de delegates to four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.

igs-os.de at least partially shares name servers with other domains, including fars-lph.de, sdln.eu, gsnwd.de, bbs1-aurich.eu and gesamtschule-zeuthen.eu.

Host names with two IP numbers: ns1.iserv.eu points to 2a01:4f8:c01f:42::1 and 116.202.2.219; ns2.iserv.eu points to 2a03:4000:20:19b::1 and 91.204.44.133; ns3.iserv.eu points to 2a01:4f8:1c0c:8111::1 and 116.203.7.41; ns4.iserv.eu points to 2a03:4000:20:19e::1 and 188.68.45.203.

igs-os.de is handled by two mail servers: igs-os.de and offline.iserv.eu.

igs-os.de shares at least some mail servers with other domains, for example mail-staging.schuldock.de, primus-schule.de, wvo-dbg.de, grundschule-lehre.de and neustadtgymnasium.de.

Host names with two IP numbers: offline.iserv.eu points to 2a01:4f8:c2c:4863::1 and 159.69.47.32.

Host names with one IP number: igs-os.de points to 91.249.231.81.

dbq