`hasetalschule.org`

DNSSEC	⚠️ Not signed
A	91.26.33.171^{🇩🇪 DTAG91.0.0.0/10 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	`hasetalschule.org` ⭐
		A	91.26.33.171^{🇩🇪 DTAG91.0.0.0/10 Deutsche Telekom AG, Internet service provider}
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	`apple-domain-verification=t0RETR3rg7SpA9dL`
TXT	`v=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.i...`
TXT	`apple-domain-verification=1raBnF3urHKNt6mG`
SOA	`ns1.iserv.eu`hostmaster@iserv.eu serial=350739916

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774450561

MX for

hasetalschule.org

Subdomains

hostmaster.hasetalschule.org

Same first word

hasetalschule.org

DNS History

15 records (7 active, 8 former)

●NSns1.iserv.eu2017-08-23 → 2026-03-25 · 3 obs

○ 2016-12-26 10:40:10
● 2017-08-23 02:28:02
● 2026-03-25 15:23:26

●NSns2.iserv.eu2017-08-23 → 2026-03-25 · 3 obs

○ 2016-12-26 10:40:10
● 2017-08-23 02:28:02
● 2026-03-25 15:23:26

●NSns3.iserv.eu2017-08-23 → 2026-03-25 · 3 obs

○ 2016-12-26 10:40:10
● 2017-08-23 02:28:02
● 2026-03-25 15:23:26

●NSns4.iserv.eu2026-03-24 → 2026-03-25 · 3 obs

○ 2017-08-23 02:28:02
● 2026-03-24 00:41:02
● 2026-03-25 15:23:26

○NSpri.asok.de2015-05-25 → 2016-12-26 · 4 obs

● 2015-05-25 09:51:26
● 2016-12-26 10:40:10
○ 2017-08-23 02:28:02
○ 2026-03-25 15:23:26

○NSsec.asok.de2015-05-25 → 2016-12-26 · 4 obs

● 2015-05-25 09:51:26
● 2016-12-26 10:40:10
○ 2017-08-23 02:28:02
○ 2026-03-25 15:23:26

●MXhasetalschule.org2017-08-23 → 2026-03-25 · 2 obs

● 2017-08-23 02:28:02
● 2026-03-25 15:23:26

●MXoffline.iserv.eu2017-08-23 → 2026-03-25 · 2 obs

● 2017-08-23 02:28:02
● 2026-03-25 15:23:26

○A217.93.49.2492017-08-23 → 2017-08-23 · 4 obs

○ 2016-12-26 10:40:10
● 2017-08-23 02:28:02
○ 2026-03-24 00:41:02
○ 2026-03-25 15:23:26

○A79.222.209.1702016-12-26 → 2016-12-26 · 4 obs

○ 2016-04-22 01:27:08
● 2016-12-26 10:40:10
○ 2017-08-23 02:28:02
○ 2026-03-25 15:23:26

○A79.222.219.2482016-01-15 → 2016-01-15 · 4 obs

○ 2015-10-21 08:53:26
● 2016-01-15 00:58:22
○ 2016-04-22 01:27:08
○ 2026-03-25 15:23:26

○A80.136.194.2172016-04-22 → 2016-04-22 · 4 obs

○ 2016-01-15 00:58:22
● 2016-04-22 01:27:08
○ 2016-12-26 10:40:10
○ 2026-03-25 15:23:26

○A80.136.207.1222015-05-25 → 2015-05-25 · 3 obs

● 2015-05-25 09:51:26
○ 2015-10-21 08:53:26
○ 2026-03-25 15:23:26

○A80.136.216.722015-10-21 → 2015-10-21 · 4 obs

○ 2015-05-25 09:51:26
● 2015-10-21 08:53:26
○ 2016-01-15 00:58:22
○ 2026-03-25 15:23:26

●A91.26.33.1712026-03-24 → 2026-03-25 · 3 obs

○ 2017-08-23 02:28:02
● 2026-03-24 00:41:02
● 2026-03-25 15:23:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
hasetalschule.org	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 hasetalschule.org (unsigned zone)

⏱️ Timing

Total: 971ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.26.33.171`
NS	4	`ns4.iserv.eu, ns3.iserv.eu...`
MX	2	`offline.iserv.eu (pri: 50), hasetalschule.org (pri: 10)`
TXT	3	`v=spf1 a mx a:relay1.iserv.eu a:relay2.i, apple-domain-verification=t0RETR3rg7SpA9...`
SOA	1	`ns1.iserv.eu hostmaster.iserv.eu`

Analysis

Hierarchy

hasetalschule.org is the parent of hostmaster.hasetalschule.org.

Mail Server Role

hasetalschule.org serves as the mail server for hasetalschule.org.

offline.iserv.eu is commonly used as a mail server with hasetalschule.org.

IP Addresses

hasetalschule.org points to IP number 91.26.33.171.

Name Servers

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

hasetalschule.org shares name servers with other domains at least partially, for example bfz-ue.de, benserv.de, theokoch.schule, mauszentrum-gi.de and kleineburg.de.

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 hasetalschule.org: hasetalschule.org and offline.iserv.eu.

hasetalschule.org shares mail servers with other domains at least partially; for instance jacobi-bs.de, lg-leo.de, iosr.de, gs-ochtersum-hi.de and johnnybgd.de.

Host names with two IP numbers:

The host name offline.iserv.eu points to 2a01:4f8:c2c:4863::1 and 159.69.47.32.

Host names with one IP number:

The host name hasetalschule.org points to 91.26.33.171.

hasetalschule.org - robtex.com