`congstar-online.com`

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}
		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 2021-06-15 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784115507

Same first word

congstar-online.net

congstar-online.eu

congstar-online.com

congstar-online.de

DNS History

7 records (3 active, 4 former)

●NSns1.telekom.net2026-07-01 → 2026-07-15 · 3 obs

○ 2017-06-08 09:59:20
● 2026-07-01 18:43:38
● 2026-07-15 11:47:54

●NSpns.dtag.de2015-06-29 → 2026-07-15 · 2 obs

● 2015-06-29 18:36:06
● 2026-07-15 11:47:54

○NSsecondary006.dtag.net2015-06-29 → 2017-06-08 · 4 obs

● 2015-06-29 18:36:06
● 2017-06-08 09:59:20
○ 2026-07-01 18:43:38
○ 2026-07-15 11:47:54

○NSsupport.mesch.dtag.de2015-06-29 → 2017-06-08 · 4 obs

● 2015-06-29 18:36:06
● 2017-06-08 09:59:20
○ 2026-07-01 18:43:38
○ 2026-07-15 11:47:54

○MXmailx.tcommerce.de2015-06-29 → 2017-06-08 · 4 obs

● 2015-06-29 18:36:06
● 2017-06-08 09:59:20
○ 2026-07-01 18:43:38
○ 2026-07-15 11:47:54

○A217.172.166.522015-06-29 → 2017-06-08 · 4 obs

● 2015-06-29 18:36:06
● 2017-06-08 09:59:20
○ 2026-07-01 18:43:38
○ 2026-07-15 11:47:54

●A80.158.66.242026-07-01 → 2026-07-15 · 3 obs

○ 2017-06-08 09:59:20
● 2026-07-01 18:43:38
● 2026-07-15 11:47:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
congstar-online.com	pns.dtag.de, ns1.telekom.net	-

✅ Authoritative Response

Server:194.25.0.125

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 738ms | 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`

Analysis

IP Addresses

congstar-online.com resolves to just one IP address, 80.158.66.24.

Two other host names, along with telekomshop.eu, t-systems.security and t-mobile.deals, also share IP numbers with congstar-online.com.

Name Servers

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

congstar-online.com shares its NS records with other domains, for example deutschetelekom.be, midrange-systems.at, tmobile-ip.com and two others.

congstar-online.com has at least partial name server overlap with other domains, such as cosmos.de, huk.biz, raumedic.co.uk and two others.

The name servers secondary006.dtag.net, secondary007.dtag.net, secondary004.dtag.net and two others are commonly seen in use alongside these name servers.

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.com - robtex.com