`budenbergschule.de`

DNSSEC	⚠️ Not signed
A	80.153.95.152^{🇩🇪 DTAG80.152.0.0/14 Deutsche Telekom AG, Internet service provider}
		PTR	`p50995f98.dip0.t-ipconnect.de`
A	87.148.30.203^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
NS	`ns1.iserv.eu` ⭐
		A	2a01:4f8:c01f:42::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.iserv.eu`
		A	116.202.2.219^{🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC}
			PTR	`ns1.iserv.eu`
NS	`ns2.iserv.eu`
		A	2a03:4000:20:19b::1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`ns2.iserv.eu`
		A	91.204.44.133^{🇩🇪 netcup-AS91.204.44.0/22}
			PTR	`ns2.iserv.eu`
NS	`ns3.iserv.eu`
		A	2a01:4f8:1c0c:8111::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns3.iserv.eu`
		A	116.203.7.41^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
			PTR	`ns3.iserv.eu`
NS	`ns4.iserv.eu`
		A	2a03:4000:20:19e::1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`ns4.iserv.eu`
		A	188.68.45.203^{🇩🇪 netcup-AS188.68.32.0/20 NETCUP-GMBH}
			PTR	`ns4.iserv.eu`
MX	`budenbergschule.de` ⭐
		A	80.153.95.152^{🇩🇪 DTAG80.152.0.0/14 Deutsche Telekom AG, Internet service provider}
			PTR	`p50995f98.dip0.t-ipconnect.de`
		A	87.148.30.203^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
			PTR	`p57941ecb.dip0.t-ipconnect.de`
MX	`offline.iserv.eu`⁽⁵⁰⁾
		A	2a01:4f8:c2c:4863::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	159.69.47.32^{🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC}
			PTR	`static.32.47.69.159.clients.your-server.de`
TXT	`v=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.i...`
TXT	`MS=D3A1E411375AEE4992A41E7ACB7F88CB056DE9AD`
SOA	`ns1.iserv.eu`hostmaster@iserv.eu serial=356227560

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1776312096

MX for

budenbergschule.de

Same first word

budenbergschule.de

DNS History

15 records (8 active, 7 former)

●NSns1.iserv.eu2015-05-22 → 2026-04-16 · 2 obs

● 2015-05-22 13:16:34
● 2026-04-16 04:16:36

●NSns2.iserv.eu2015-05-22 → 2026-04-16 · 2 obs

● 2015-05-22 13:16:34
● 2026-04-16 04:16:36

●NSns3.iserv.eu2017-03-27 → 2026-04-16 · 3 obs

○ 2015-05-22 13:16:34
● 2017-03-27 23:52:34
● 2026-04-16 04:16:36

●NSns4.iserv.eu2026-04-16 → 2026-04-16 · 2 obs

○ 2017-03-27 23:52:34
● 2026-04-16 04:16:36

●MXbudenbergschule.de2015-05-22 → 2026-04-16 · 2 obs

● 2015-05-22 13:16:34
● 2026-04-16 04:16:36

●MXoffline.iserv.eu2015-05-22 → 2026-04-16 · 2 obs

● 2015-05-22 13:16:34
● 2026-04-16 04:16:36

○A79.249.198.1502015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 13:16:34
○ 2015-10-10 22:08:16
○ 2026-04-16 04:16:36

○A79.249.208.2022016-07-10 → 2016-07-10 · 4 obs

○ 2016-03-15 10:37:10
● 2016-07-10 12:55:06
○ 2017-03-27 23:52:34
○ 2026-04-16 04:16:36

○A79.253.110.1632017-03-27 → 2017-03-27 · 3 obs

○ 2016-07-10 12:55:06
● 2017-03-27 23:52:34
○ 2026-04-16 04:16:36

○A79.253.123.1502015-10-10 → 2015-10-10 · 4 obs

○ 2015-05-22 13:16:34
● 2015-10-10 22:08:16
○ 2015-12-14 06:41:38
○ 2026-04-16 04:16:36

●A80.153.95.1522026-04-16 → 2026-04-16 · 2 obs

○ 2017-03-27 23:52:34
● 2026-04-16 04:16:36

●A87.148.30.2032026-04-16 → 2026-04-16 · 2 obs

○ 2017-03-27 23:52:34
● 2026-04-16 04:16:36

○A91.11.208.1352015-12-14 → 2015-12-14 · 4 obs

○ 2015-10-10 22:08:16
● 2015-12-14 06:41:38
○ 2016-03-15 10:37:10
○ 2026-04-16 04:16:36

○A91.11.213.1702016-03-15 → 2016-03-15 · 4 obs

○ 2015-12-14 06:41:38
● 2016-03-15 10:37:10
○ 2016-07-10 12:55:06
○ 2026-04-16 04:16:36

○A91.56.169.1362026-04-16 → 2026-04-16 · 1 obs

○ 2026-04-16 04:16:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
budenbergschule.de	ns3.iserv.eu, ns1.iserv.eu, ns2.iserv.eu, ns4.iserv.eu	-

✅ Authoritative Response

Server:188.68.45.203

NS records: ns3.iserv.eu, ns1.iserv.eu, ns2.iserv.eu, ns4.iserv.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for budenbergschule.de (unsigned zone)

⏱️ Timing

Total: 3300ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.148.30.203`
NS	4	`ns3.iserv.eu, ns4.iserv.eu...`
MX	2	`budenbergschule.de (pri: 10), offline.iserv.eu (pri: 50)`
TXT	2	`MS=D3A1E411375AEE4992A41E7ACB7F88CB056DE, v=spf1 a mx a:relay1.iserv.eu a:relay2.i`
SOA	1	`ns1.iserv.eu hostmaster.iserv.eu`

Analysis

Mail Server Role

budenbergschule.de serves as a mail server for budenbergschule.de.

offline.iserv.eu commonly serves as a mail server together with budenbergschule.de.

IP Addresses

budenbergschule.de points to two IP numbers: 80.153.95.152 and 87.148.30.203.

Name Servers

budenbergschule.de is delegated to four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.

budenbergschule.de at least partially shares its name servers with other domains, for instance igs-k.de, iserv.de, ars-gf.de, dk-h.de and bergschule-os.de.

Host names with two IPs: 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.

Mail Servers

budenbergschule.de is handled by two mail servers: budenbergschule.de and offline.iserv.eu.

budenbergschule.de shares some mail servers with other domains, including rvd-schule.de, wgs-melle.de, gs-widukindland.de, gs-morsum.de and gs-gauangelloch.de.

Host names with two IP numbers: budenbergschule.de points to 80.153.95.152 and 87.148.30.203; offline.iserv.eu points to 2a01:4f8:c2c:4863::1 and 159.69.47.32

budenbergschule.de - robtex.com