`sandhorstschule.net`

DNSSEC	⚠️ Not signed
A	212.95.117.194^{🇩🇪 EWETEL212.95.96.0/19 DE-OSNATEL-991125}
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	`sandhorstschule.net` ⭐
		A	212.95.117.194^{🇩🇪 EWETEL212.95.96.0/19 DE-OSNATEL-991125}
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	`apple-domain-verification=eekuGdaja6y54V90`
SOA	`ns1.iserv.eu`hostmaster@iserv.eu serial=352182492

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775948627

MX for

sandhorstschule.net

Same first word

sandhorstschule.net

DNS History

18 records (7 active, 11 former)

●NSns1.iserv.eu2015-07-17 → 2026-04-11 · 2 obs

● 2015-07-17 14:14:36
● 2026-04-11 23:13:38

●NSns2.iserv.eu2015-07-17 → 2026-04-11 · 2 obs

● 2015-07-17 14:14:36
● 2026-04-11 23:13:38

●NSns3.iserv.eu2017-04-02 → 2026-04-11 · 3 obs

○ 2015-07-17 14:14:36
● 2017-04-02 01:09:00
● 2026-04-11 23:13:38

●NSns4.iserv.eu2020-02-21 → 2026-04-11 · 3 obs

○ 2017-04-02 01:09:00
● 2020-02-21 03:40:04
● 2026-04-11 23:13:38

●MXoffline.iserv.eu2015-07-17 → 2026-04-11 · 2 obs

● 2015-07-17 14:14:36
● 2026-04-11 23:13:38

●MXsandhorstschule.net2015-07-17 → 2026-04-11 · 2 obs

● 2015-07-17 14:14:36
● 2026-04-11 23:13:38

●A212.95.117.1942026-03-26 → 2026-04-11 · 3 obs

○ 2020-02-21 03:40:04
● 2026-03-26 11:05:50
● 2026-04-11 23:13:38

○A79.255.213.2162015-12-27 → 2015-12-27 · 4 obs

○ 2015-12-17 17:06:18
● 2015-12-27 03:43:50
○ 2016-02-02 09:27:42
○ 2026-04-11 23:13:38

○A79.255.215.1412016-02-02 → 2016-02-02 · 4 obs

○ 2015-12-27 03:43:50
● 2016-02-02 09:27:42
○ 2016-04-22 08:05:04
○ 2026-04-11 23:13:38

○A87.159.1.1932015-12-15 → 2015-12-15 · 4 obs

○ 2015-12-12 20:11:32
● 2015-12-15 05:55:14
○ 2015-12-17 17:06:18
○ 2026-04-11 23:13:38

○A87.159.10.1482016-05-10 → 2016-05-10 · 4 obs

○ 2016-04-22 08:05:04
● 2016-05-10 03:21:26
○ 2016-07-14 13:58:24
○ 2026-04-11 23:13:38

○A87.159.10.182015-11-16 → 2015-12-12 · 5 obs

○ 2015-07-17 14:14:36
● 2015-11-16 21:22:28
● 2015-12-12 20:11:32
○ 2015-12-15 05:55:14
○ 2026-04-11 23:13:38

○A87.159.13.722016-07-14 → 2016-07-14 · 4 obs

○ 2016-05-10 03:21:26
● 2016-07-14 13:58:24
○ 2017-04-02 01:09:00
○ 2026-04-11 23:13:38

○A87.159.2.2412015-12-17 → 2015-12-17 · 4 obs

○ 2015-12-15 05:55:14
● 2015-12-17 17:06:18
○ 2015-12-27 03:43:50
○ 2026-04-11 23:13:38

○A87.159.3.482015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:14:36
○ 2015-11-16 21:22:28
○ 2026-04-11 23:13:38

○A87.159.8.62016-04-22 → 2016-04-22 · 4 obs

○ 2016-02-02 09:27:42
● 2016-04-22 08:05:04
○ 2016-05-10 03:21:26
○ 2026-04-11 23:13:38

○A91.44.14.412020-02-21 → 2020-02-21 · 4 obs

○ 2017-04-02 01:09:00
● 2020-02-21 03:40:04
○ 2026-03-26 11:05:50
○ 2026-04-11 23:13:38

○A91.48.195.1052017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-14 13:58:24
● 2017-04-02 01:09:00
○ 2020-02-21 03:40:04
○ 2026-04-11 23:13:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sandhorstschule.net	ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu, ns4.iserv.eu	-

✅ Authoritative Response

Server:116.203.7.41

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sandhorstschule.net (unsigned zone)

⏱️ Timing

Total: 976ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.95.117.194`
NS	4	`ns2.iserv.eu, ns3.iserv.eu...`
MX	2	`offline.iserv.eu (pri: 50), sandhorstschule.net (pri: 10)`
TXT	2	`v=spf1 a mx a:relay1.iserv.eu a:relay2.i, apple-domain-verification=eekuGdaja6y54V`
SOA	1	`ns1.iserv.eu hostmaster.iserv.eu`

Analysis

Mail Server Role

sandhorstschule.net serves as the mail server for sandhorstschule.net.

offline.iserv.eu often serves as a mail server in conjunction with sandhorstschule.net.

IP Addresses

sandhorstschule.net points to IP number: 212.95.117.194.

Name Servers

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

sandhorstschule.net at least partially shares name servers with other domains, for instance es-rm.net, gs-wn.de, vollgutmusiker.de, are-intern.de and kgs-bm.net.

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.

Mail Servers

Two mail servers handle sandhorstschule.net: sandhorstschule.net and offline.iserv.eu.

sandhorstschule.net shares at least partially some mail servers with other domains, including roeka-az.eu, les-sz.de, foerderzentrum-soltau.de, gs-meterstrasse.de and kgs-giebo.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:

sandhorstschule.net points to 212.95.117.194.

sandhorstschule.net - robtex.com