`mobileextension.de`

DNSSEC	⚠️ Not signed
A	5.199.133.92^{🇩🇪 MYLOC-AS5.199.128.0/20 myLoc managed IT AG}
		PTR	`mail.mobileextension.de`
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	`mail.mobileextension.de` ⭐
		A	5.199.133.92^{🇩🇪 MYLOC-AS5.199.128.0/20 myLoc managed IT AG}
			PTR	`mail.mobileextension.de`
TXT	`v=spf1 include:spf.securemail.name a mx ~all`
SOA	`ns1.axcoredns.com`webmaster@mobileextension.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=1776059245

Subdomains

mail.mobileextension.de

Same first word

mobileextension.org

mobileextension.de

DNS History

10 records (6 active, 4 former)

○NSns0.dns-net.de2015-07-12 → 2017-06-12 · 4 obs

● 2015-07-12 11:41:08
● 2017-06-12 19:30:10
○ 2026-04-05 07:49:54
○ 2026-04-13 05:56:24

●NSns1-tec.de2026-04-05 → 2026-04-13 · 3 obs

○ 2017-06-12 19:30:10
● 2026-04-05 07:49:54
● 2026-04-13 05:56:24

●NSns1.axcoredns.com2026-04-13 → 2026-04-13 · 3 obs

○ 2026-04-05 07:49:54
● 2026-04-13 05:56:22
● 2026-04-13 05:56:24

●NSns2-tec.de2026-04-05 → 2026-04-13 · 3 obs

○ 2017-06-12 19:30:10
● 2026-04-05 07:49:54
● 2026-04-13 05:56:24

●NSns2.axcoredns.org2026-04-13 → 2026-04-13 · 3 obs

○ 2026-04-05 07:49:54
● 2026-04-13 05:56:22
● 2026-04-13 05:56:24

○NSns7.dns-net.de2015-07-12 → 2017-06-12 · 4 obs

● 2015-07-12 11:41:08
● 2017-06-12 19:30:10
○ 2026-04-05 07:49:54
○ 2026-04-13 05:56:24

○MXemail.dns-net.de2015-07-12 → 2017-06-12 · 4 obs

● 2015-07-12 11:41:08
● 2017-06-12 19:30:10
○ 2026-04-05 07:49:54
○ 2026-04-13 05:56:24

●MXmail.mobileextension.de2026-04-05 → 2026-04-13 · 3 obs

○ 2017-06-12 19:30:10
● 2026-04-05 07:49:54
● 2026-04-13 05:56:24

○A212.91.241.1022015-07-12 → 2017-06-12 · 4 obs

● 2015-07-12 11:41:08
● 2017-06-12 19:30:10
○ 2026-04-05 07:49:54
○ 2026-04-13 05:56:24

●A5.199.133.922026-04-05 → 2026-04-13 · 3 obs

○ 2017-06-12 19:30:10
● 2026-04-05 07:49:54
● 2026-04-13 05:56:24

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:45.67.68.12

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mobileextension.de (unsigned zone)

⏱️ Timing

Total: 831ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.199.133.92`
NS	2	`ns1.axcoredns.com, ns2.axcoredns.org`
MX	1	`mail.mobileextension.de (pri: 10)`
TXT	1	`v=spf1 include:spf.securemail.name a mx`
SOA	1	`ns1.axcoredns.com webmaster.mobileextens`

📌 Glue Records Collected

Total: 4

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

Analysis

Hierarchy

The parent of mail.mobileextension.de is mobileextension.de.

IP Addresses

mobileextension.de points to a single IP: 5.199.133.92.

Other host names, such as mail.mobileextension.de, share IP numbers with mobileextension.de.

Name Servers

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

mobileextension.de partially shares name servers with other domains; examples include salemanager.de, mv-app.de, dgfw.eu, elektro-markt24.de and l92.de.