`work-huelshoff.de`

DNSSEC	⚠️ Not signed
NS	`ns1.iserv.eu` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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`

`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=1774739450

MX for

work-huelshoff.de

Same first word

work-huelshoff.de

DNS History

8 records (4 active, 4 former)

●NSns1.iserv.eu2026-02-17 → 2026-03-28 · 2 obs

● 2026-02-17 05:53:36
● 2026-03-28 23:20:34

●NSns2.iserv.eu2026-02-17 → 2026-03-28 · 2 obs

● 2026-02-17 05:53:36
● 2026-03-28 23:20:34

●NSns3.iserv.eu2026-02-17 → 2026-03-28 · 2 obs

● 2026-02-17 05:53:36
● 2026-03-28 23:20:34

●NSns4.iserv.eu2026-02-17 → 2026-03-28 · 2 obs

● 2026-02-17 05:53:36
● 2026-03-28 23:20:34

○MXoffline.iserv.eu2026-02-17 → 2026-02-17 · 2 obs

● 2026-02-17 05:53:36
○ 2026-03-28 23:20:34

○MXwork-huelshoff.de2026-02-17 → 2026-02-17 · 2 obs

● 2026-02-17 05:53:36
○ 2026-03-28 23:20:34

○A168.119.170.1762026-02-17 → 2026-02-17 · 2 obs

● 2026-02-17 05:53:36
○ 2026-03-28 23:20:34

○A2a01:4f8:c2c:dd87::12026-02-17 → 2026-02-17 · 2 obs

● 2026-02-17 05:53:36
○ 2026-03-28 23:20:34

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:188.68.45.203

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for work-huelshoff.de (unsigned zone)

⏱️ Timing

Total: 1201ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Mail Server Role

For work-huelshoff.de, the mail server is work-huelshoff.de.

offline.iserv.eu is a mail server commonly used with work-huelshoff.de.

Name Servers

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

work-huelshoff.de at least partially shares name servers with other domains, for instance emosz.net, ngo-obs-alex.de, alice-salomon.de, bbsam.eu and drawehn-schule.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.

work-huelshoff.de - robtex.com