`congstar-online.de`

DNSSEC	⚠️ Not signed
A	80.158.66.24^{🇩🇪 SCZN-AS80.158.64.0/22 belongs to 80.158.64.0/21}
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`
SOA	`pns.dtag.de`dnsadmin@nic.dtag.de 2021-07-22 #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=1784013121

Same first word

congstar-online.de

congstar-online.net

congstar-online.eu

congstar-online.com

DNS History

7 records (3 active, 4 former)

●NSns1.telekom.net2026-07-01 → 2026-07-14 · 3 obs

○ 2018-08-20 17:04:22
● 2026-07-01 18:43:56
● 2026-07-14 07:22:42

●NSpns.dtag.de2015-06-25 → 2026-07-14 · 2 obs

● 2015-06-25 10:17:50
● 2026-07-14 07:22:42

○NSsecondary006.dtag.net2015-06-25 → 2018-08-20 · 4 obs

● 2015-06-25 10:17:50
● 2018-08-20 17:04:22
○ 2026-07-01 18:43:56
○ 2026-07-14 07:22:42

○NSsupport.mesch.dtag.de2015-06-25 → 2018-08-20 · 4 obs

● 2015-06-25 10:17:50
● 2018-08-20 17:04:22
○ 2026-07-01 18:43:56
○ 2026-07-14 07:22:42

○MXmailx.tcommerce.de2015-06-25 → 2018-08-20 · 4 obs

● 2015-06-25 10:17:50
● 2018-08-20 17:04:22
○ 2026-07-01 18:43:56
○ 2026-07-14 07:22:42

○A217.172.166.522015-06-25 → 2018-08-20 · 4 obs

● 2015-06-25 10:17:50
● 2018-08-20 17:04:22
○ 2026-07-01 18:43:56
○ 2026-07-14 07:22:42

●A80.158.66.242026-07-01 → 2026-07-14 · 3 obs

○ 2018-08-20 17:04:22
● 2026-07-01 18:43:56
● 2026-07-14 07:22:42

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:194.25.0.125

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congstar-online.de (unsigned zone)

⏱️ Timing

Total: 869ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.158.66.24`
NS	2	`pns.dtag.de, ns1.telekom.net`
SOA	1	`pns.dtag.de dns.telekom.de`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

congstar-online.de directs to one IP number, which is 80.158.66.24.

Among the host names that share IP numbers with congstar-online.de are tshop.com, tmobileoffers.org, t-systems.tc and two others.

Name Servers

Two name servers handle the delegation for congstar-online.de: pns.dtag.de and ns1.telekom.net.

congstar-online.de has the same name server delegation as a number of other domains, such as citybriefmuenster.com, uckermaerkermilch.com, bodyrockers.com and two more.

There is at least partial name server overlap between congstar-online.de and other domains — ergo-direct.org, industrierohr.de, cdu-riegelsberg-walpershofen.de and two more among them.

These name servers regularly appear alongside secondary006.dtag.net, secondary007.dtag.net, ns1.itergo.net and 3 other name servers in NS record sets.

pns.dtag.de and ns1.telekom.net both carry two IP addresses. The A records for pns.dtag.de are 194.25.0.125 and 2003:40:8000::100; the A records for ns1.telekom.net are 212.185.24.65 and 2003:180:a:1000::53.

congstar-online.de - robtex.com