`customeratfirst.de`

DNSSEC	⚠️ Not signed
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	`ns1.telekom.net`
		A	2003:180:a:1000::53^{🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space}
			PTR	`ns1.telekom.net`
		A	212.185.24.65^{🇩🇪 DTAG212.184.0.0/15 Deutsche Telekom AG, Internet service provider}
			PTR	`ns1.telekom.net`
TXT	`v=spf1 -all`
SOA	`pns.dtag.de`dns@telekom.de 2021-10-07 #0

`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=1774665363

Same first word

customeratfirst.de

DNS History

6 records (2 active, 4 former)

●NSns1.telekom.net2026-03-28 → 2026-03-28 · 2 obs

○ 2017-07-02 23:09:22
● 2026-03-28 02:36:18

●NSpns.dtag.de2007-08-15 → 2026-03-28 · 2 obs

● 2007-08-15 05:50:22
● 2026-03-28 02:36:18

○NSsecondary004.dtag.net2007-08-15 → 2017-07-02 · 3 obs

● 2007-08-15 05:50:22
● 2017-07-02 23:09:22
○ 2026-03-28 02:36:18

○MXmail.customeratfirst.de2007-08-15 → 2017-07-02 · 3 obs

● 2007-08-15 05:50:22
● 2017-07-02 23:09:22
○ 2026-03-28 02:36:18

○MXmforward.dtag.de2007-08-15 → 2017-07-02 · 3 obs

● 2007-08-15 05:50:22
● 2017-07-02 23:09:22
○ 2026-03-28 02:36:18

○A217.244.7.1782007-08-15 → 2017-07-02 · 3 obs

● 2007-08-15 05:50:22
● 2017-07-02 23:09:22
○ 2026-03-28 02:36:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
customeratfirst.de	ns1.telekom.net, pns.dtag.de	2 records

✅ Authoritative Response

Server:212.185.24.65

NS records: ns1.telekom.net, pns.dtag.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for customeratfirst.de (unsigned zone)

⏱️ Timing

Total: 957ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.telekom.net, pns.dtag.de`
TXT	1	`v=spf1 -all`
SOA	1	`pns.dtag.de dnsadmin.nic.dtag.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pns.dtag.de, pns.dtag.de)

Analysis

Name Servers

Two name servers pns.dtag.de and ns1.telekom.net handle delegation for customeratfirst.de.

customeratfirst.de uses the same name server setup as other domains, for example chiron-china.com, 0160.de, wauterstt.be, bacchus.de and mdk-rlp.net.

customeratfirst.de partially shares name servers with other domains; examples include raumedic.co.hu, smmp.de, 52.191.87.in-addr.arpa, 152.87.in-addr.arpa and 92.154.80.in-addr.arpa.

These name servers are commonly used alongside secondary006.dtag.net, secondary007.dtag.net, dnsreh01.rehau.com, dnsreh02.rehau.com, secondary004.dtag.net, ns0.niedersachsen.com, dns01.dns.t-ipnet.de, dns04.dns.t-ipnet.de and dns40.dns.t-ipnet.de.

Host names with two IP numbers:

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

ns1.telekom.net points to: 2003:180:a:1000::53 and 212.185.24.65

customeratfirst.de - robtex.com