`t-d1-developercenter.de`

DNSSEC	⚠️ Not signed
NS	`dns1.telekom.de` ⭐
		A	194.25.225.19^{🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider}
			PTR	`dns1.telekom.de`
NS	`dns2.telekom.de`
		A	194.25.225.3^{🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider}
			PTR	`dns2.telekom.de`
NS	`pns.dtag.de`
		A	2003:40:8000::100^{🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space}
			PTR	`pns.dtag.de`
		A	194.25.0.125^{🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider}
			PTR	`pns.dtag.de`
NS	`secondary004.dtag.net`
		A	2a00:fa8:3:0:100:0:4:1^{🇩🇪 NETUSE2a00:fa8:3::/48 NSDTAG}
			PTR	`secondary004.dtag.net`
		A	195.244.245.27^{🇩🇪 NETUSE195.244.245.0/24}
			PTR	`secondary004.dtag.net`
MX	`mail.detemobil.de` ⭐
SOA	`dns1.telekom.de`dnsadmin@t-systems.com 2019-03-18 #17

`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=1784962114

Same first word

t-d1-developercenter.de

DNS History

7 records (5 active, 2 former)

●NSdns1.telekom.de2026-02-28 → 2026-07-25 · 3 obs

○ 2018-02-07 20:22:18
● 2026-02-28 21:48:36
● 2026-07-25 07:14:22

●NSdns2.telekom.de2026-02-28 → 2026-07-25 · 3 obs

○ 2018-02-07 20:22:18
● 2026-02-28 21:48:36
● 2026-07-25 07:14:22

○NSns1.t-mobil.de2009-01-04 → 2018-02-07 · 4 obs

● 2009-01-04 20:47:24
● 2018-02-07 20:22:18
○ 2026-02-28 21:48:36
○ 2026-07-25 07:14:22

○NSns2.t-mobil.de2009-01-04 → 2018-02-07 · 4 obs

● 2009-01-04 20:47:24
● 2018-02-07 20:22:18
○ 2026-02-28 21:48:36
○ 2026-07-25 07:14:22

●NSpns.dtag.de2009-01-04 → 2026-07-25 · 2 obs

● 2009-01-04 20:47:24
● 2026-07-25 07:14:22

●NSsecondary004.dtag.net2009-01-04 → 2026-07-25 · 2 obs

● 2009-01-04 20:47:24
● 2026-07-25 07:14:22

●MXmail.detemobil.de2009-01-04 → 2026-07-25 · 2 obs

● 2009-01-04 20:47:24
● 2026-07-25 07:14:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
t-d1-developercenter.de	secondary004.dtag.net, dns1.telekom.de, pns.dtag.de, dns2.telekom.de	4 records

✅ Authoritative Response

Server:195.244.245.27

NS records: secondary004.dtag.net, dns1.telekom.de, pns.dtag.de, dns2.telekom.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for t-d1-developercenter.de (unsigned zone)

⏱️ Timing

Total: 1034ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`pns.dtag.de, secondary004.dtag.net...`
MX	1	`mail.detemobil.de (pri: 0)`
SOA	1	`dns1.telekom.de dnsadmin.t-systems.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns2.telekom.de, dns1.telekom.de, pns.dtag.de...)

Analysis

Name Servers

The authoritative name servers for t-d1-developercenter.de are pns.dtag.de, dns1.telekom.de, dns2.telekom.de and secondary004.dtag.net.

The name servers of t-d1-developercenter.de overlap at least partially with those of other domains — among them sandata.biz, nx.de, brand-notes.com and two more.

It is common to find these name servers alongside the name servers secondary006.dtag.net, secondary007.dtag.net, ns1.telekom.net and two others.

Hostnames that resolve to two IP addresses:

pns.dtag.de resolves to 194.25.0.125 and 2003:40:8000::100.

secondary004.dtag.net resolves to 195.244.245.27 and 2a00:fa8:3:0:100:0:4:1.

Hosts with just one IP address:

dns1.telekom.de resolves to 194.25.225.19.

dns2.telekom.de resolves to 194.25.225.3.

Mail Servers

Mail for t-d1-developercenter.de is handled by a single mail server, mail.detemobil.de.

t-d1-developercenter.de uses an identical mail server configuration to several other domains — among them intranet-ivm.de, ermes.de, router-mdv.t-mobil.de and two more.

t-d1-developercenter.de has at least partial mail server overlap with other domains such as webcco.ta.t-mobil.de, sp.t-mobil.de, webcco.t-mobil.de and two more.

The mail servers mail-ext.detemobil.de and mailto-ext.detemobil.de are commonly paired with these mail servers.

t-d1-developercenter.de - robtex.com