`doublemail.de`

DNSSEC	⚠️ Not signed
A	78.47.114.103^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
		PTR	`web1.spoofmail.com`
NS	`ns1.axcoredns.com` ⭐ ⚠️ Not in parent delegation
		A	2a09:71c0::101:0:12^{🇩🇪 SYNLINQ2a09:71c0::/29}
		A	45.67.68.12^{🇩🇪 SYNLINQ45.67.68.0/24}
			PTR	`ns1-tec.de`
NS	`ns1-tec.de` ⚠️ Not in zone NS records
		A	2a09:71c0::101:0:12^{🇩🇪 SYNLINQ2a09:71c0::/29}
		A	45.67.68.12^{🇩🇪 SYNLINQ45.67.68.0/24}
			PTR	`ns1-tec.de`
NS	`ns2-tec.de` ⚠️ Not in zone NS records
		A	2a01:4f8:c014:d47::12^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	46.224.169.132^{🇮🇷 Hetzner46.224.0.0/15 HETZNER-DC}
			PTR	`ns2-tec.de`
NS	`ns2.axcoredns.org` ⚠️ Not in parent delegation
		A	2a01:4f8:c014:d47::12^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	46.224.169.132^{🇮🇷 Hetzner46.224.0.0/15 HETZNER-DC}
			PTR	`ns2-tec.de`
MX	`mail1.doublemail.de` ⭐
		A	188.245.122.59^{🇩🇪 Hetzner188.245.0.0/16 HETZNER-DC}
			PTR	`mail.spoofmail.com`
SOA	`ns1.axcoredns.com`webmaster@doublemail.de 2026-02-18 #2

`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=1776079496

Subdomains

mail.doublemail.de

mail1.doublemail.de

Same first word

doublemail.de

doublemail.com

Similar names

dualmobile.de

dualmobile.com

dualmobile.ru

imodellbau.de

DNS History

8 records (6 active, 2 former)

●NSns1-tec.de2020-04-07 → 2026-04-13 · 2 obs

● 2020-04-07 07:04:52
● 2026-04-13 11:38:50

●NSns1.axcoredns.com2026-04-13 → 2026-04-13 · 2 obs

○ 2020-04-07 07:04:52
● 2026-04-13 11:38:50

●NSns2-tec.de2020-04-07 → 2026-04-13 · 2 obs

● 2020-04-07 07:04:52
● 2026-04-13 11:38:50

●NSns2.axcoredns.org2026-04-13 → 2026-04-13 · 2 obs

○ 2020-04-07 07:04:52
● 2026-04-13 11:38:50

○MXmail.doublemail.de2020-04-07 → 2020-04-07 · 3 obs

● 2020-04-07 07:04:52
○ 2026-03-11 08:59:26
○ 2026-04-13 11:38:50

●MXmail1.doublemail.de2026-03-11 → 2026-04-13 · 3 obs

○ 2020-04-07 07:04:52
● 2026-03-11 08:59:26
● 2026-04-13 11:38:50

○A136.243.171.2022020-04-07 → 2020-04-07 · 3 obs

● 2020-04-07 07:04:52
○ 2026-03-11 08:59:26
○ 2026-04-13 11:38:50

●A78.47.114.1032026-03-11 → 2026-04-13 · 3 obs

○ 2020-04-07 07:04:52
● 2026-03-11 08:59:26
● 2026-04-13 11:38:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
doublemail.de	ns1-tec.de, ns2-tec.de	4 records

✅ Authoritative Response

Server:46.224.169.132

NS records: ns1-tec.de, ns2-tec.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doublemail.de (unsigned zone)

⏱️ Timing

Total: 593ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.47.114.103`
NS	2	`ns2.axcoredns.org, ns1.axcoredns.com`
MX	1	`mail1.doublemail.de (pri: 100)`
SOA	1	`ns1.axcoredns.com webmaster.doublemail.d`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2-tec.de, ns1-tec.de, ns2-tec.de...)

Analysis

Hierarchy

doublemail.de is a parent of mail.doublemail.de and mail1.doublemail.de.

IP Addresses

doublemail.de points to a single IP: 78.47.114.103.

Other host names, for instance *.spoofmail.net, mail.funnymail.de, 233.spoofmail.de, *.20.spoofmail.net and web1.spoofmail.com share IP numbers with doublemail.de.

Name Servers

doublemail.de's delegation is handled by four name servers: ns1-tec.de, ns2-tec.de, ns1.axcoredns.com and ns2.axcoredns.org.

doublemail.de partially shares name servers with other domains; examples include livehost.de, kaidar.net, docmail.de, fachanwalt-nuernberg.de and teamhof.de.