`grefer-hosting.de`

DNSSEC	⚠️ Not signed
A	116.203.132.10^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
		PTR	`mail2.grefer-hosting.de`
NS	`hydrogen.ns.hetzner.com` ⭐
		A	2a01:4f8:0:1::add:1098^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`hydrogen.ns.hetzner.com`
		A	213.133.100.98^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`hydrogen.ns.hetzner.com`
NS	`helium.ns.hetzner.de`
		A	2001:67c:192c::add:5^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`helium.ns.hetzner.de`
		A	193.47.99.5^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`helium.ns.hetzner.de`
NS	`oxygen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:2992^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`oxygen.ns.hetzner.com`
		A	88.198.229.192^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`oxygen.ns.hetzner.com`
MX	`mail2.grefer-hosting.de` ⭐
		A	2a01:4f8:c2c:28a5::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`mail2.grefer-hosting.de`
		A	116.203.132.10^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
			PTR	`mail2.grefer-hosting.de`
TXT	`v=spf1 a mx a:mail.grefer-hosting.de a:mail2.grefer-hosting.de ~all`
SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-03-08 #1

`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=1777249248

Subdomains

mail2.grefer-hosting.de

DNS History

5 records (5 active, 0 former)

●NShelium.ns.hetzner.de2026-04-27 → 2026-04-27 · 2 obs

● 2026-04-27 00:26:32
● 2026-04-27 00:26:34

●NShydrogen.ns.hetzner.com2026-04-27 → 2026-04-27 · 2 obs

● 2026-04-27 00:26:32
● 2026-04-27 00:26:34

●NSoxygen.ns.hetzner.com2026-04-27 → 2026-04-27 · 2 obs

● 2026-04-27 00:26:32
● 2026-04-27 00:26:34

●MXmail2.grefer-hosting.de2026-04-27 → 2026-04-27 · 2 obs

● 2026-04-27 00:26:32
● 2026-04-27 00:26:34

●A116.203.132.102026-04-27 → 2026-04-27 · 2 obs

● 2026-04-27 00:26:32
● 2026-04-27 00:26:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
grefer-hosting.de	hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de	-

✅ Authoritative Response

Server:193.47.99.5

NS records: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grefer-hosting.de (unsigned zone)

⏱️ Timing

Total: 2063ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.203.132.10`
NS	3	`helium.ns.hetzner.de, hydrogen.ns.hetzner.com...`
MX	1	`mail2.grefer-hosting.de (pri: 10)`
TXT	1	`v=spf1 a mx a:mail.grefer-hosting.de a:m`
SOA	1	`hydrogen.ns.hetzner.com dns.hetzner.com`

Analysis

Hierarchy

mail2.grefer-hosting.de has grefer-hosting.de as its parent.

IP Addresses

grefer-hosting.de maps to IP address 116.203.132.10.

Other host names, for example, mail2.grefer-hosting.de share IP numbers with grefer-hosting.de.

Name Servers

grefer-hosting.de is delegated to name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

grefer-hosting.de at least partially shares name servers with other domains such as liederheft.de, tecnostamp.net, sh-online.de, arudolph.de and ratbacherkarriere.de.

These name servers are commonly used with ns1.first-ns.de and ns1.your-server.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com points to 2a01:4f8:0:1::add:1098 and 213.133.100.98.

oxygen.ns.hetzner.com points to 2a01:4f8:0:1::add:2992 and 88.198.229.192.

helium.ns.hetzner.de points to 2001:67c:192c::add:5 and 193.47.99.5.

Mail Servers

grefer-hosting.de is handled by a single mail server, mail2.grefer-hosting.de.

The mail server setup for grefer-hosting.de matches that of other domains, for instance joinfaces.org.

Host name mail2.grefer-hosting.de points to IPs 2a01:4f8:c2c:28a5::1 and 116.203.132.10.

grefer-hosting.de - robtex.com