`congstar-service.net`

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 2021-06-15 #0

`net`

	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=1784365817

Same first word

congstar-service.com

congstar-service.de

congstar-service.net

congstar-service.eu

DNS History

10 records (3 active, 7 former)

●NSns1.telekom.net2026-07-01 → 2026-07-18 · 3 obs

○ 2018-09-22 03:43:48
● 2026-07-01 18:48:46
● 2026-07-18 09:17:14

●NSpns.dtag.de2007-10-15 → 2026-07-18 · 2 obs

● 2007-10-15 02:55:30
● 2026-07-18 09:17:14

○NSsecondary006.dtag.net2007-10-15 → 2018-09-22 · 4 obs

● 2007-10-15 02:55:30
● 2018-09-22 03:43:48
○ 2026-07-01 18:48:46
○ 2026-07-18 09:17:14

○NSsupport.mesch.dtag.de2007-10-15 → 2018-09-22 · 4 obs

● 2007-10-15 02:55:30
● 2018-09-22 03:43:48
○ 2026-07-01 18:48:46
○ 2026-07-18 09:17:14

○MXmail.tcommerce.de2007-10-15 → 2007-10-15 · 3 obs

● 2007-10-15 02:55:30
○ 2015-05-31 00:22:42
○ 2026-07-18 09:17:14

○MXmailx.tcommerce.de2015-05-31 → 2018-09-22 · 5 obs

○ 2007-10-15 02:55:30
● 2015-05-31 00:22:42
● 2018-09-22 03:43:48
○ 2026-07-01 18:48:46
○ 2026-07-18 09:17:14

○MXmforward.dtag.de2007-10-15 → 2007-10-15 · 3 obs

● 2007-10-15 02:55:30
○ 2015-05-31 00:22:42
○ 2026-07-18 09:17:14

○A217.172.166.522015-05-31 → 2018-09-22 · 5 obs

○ 2007-10-15 02:55:30
● 2015-05-31 00:22:42
● 2018-09-22 03:43:48
○ 2026-07-01 18:48:46
○ 2026-07-18 09:17:14

○A62.225.37.492007-10-15 → 2007-10-15 · 3 obs

● 2007-10-15 02:55:30
○ 2015-05-31 00:22:42
○ 2026-07-18 09:17:14

●A80.158.66.242026-07-01 → 2026-07-18 · 3 obs

○ 2018-09-22 03:43:48
● 2026-07-01 18:48:46
● 2026-07-18 09:17:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
congstar-service.net	pns.dtag.de, ns1.telekom.net	2 records

✅ Authoritative Response

Server:212.185.24.65

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congstar-service.net (unsigned zone)

⏱️ Timing

Total: 479ms | 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 dnsadmin.nic.dtag.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.telekom.net, ns1.telekom.net)

Analysis

IP Addresses

congstar-service.net has exactly one IP address — 80.158.66.24.

telekomanschluss.com, deutschetelekom.lu, telekomtraining.com plus two other host names have IP numbers in common with congstar-service.net.

Name Servers

DNS delegation for congstar-service.net points to two name servers: pns.dtag.de and ns1.telekom.net.

The name server configuration of congstar-service.net is shared with other domains, for instance rc-midmarket.de, lowpim.com, cctrundb.com and two others.

There is at least partial name server overlap between congstar-service.net and other domains — 19.139.87.in-addr.arpa, sport-niederbayern.de, 135.157.80.in-addr.arpa and two more among them.

These name servers regularly appear alongside secondary006.dtag.net, secondary007.dtag.net, secondary004.dtag.net and 7 other name servers in NS record sets.

pns.dtag.de directs to 194.25.0.125 and 2003:40:8000::100. ns1.telekom.net directs to 212.185.24.65 and 2003:180:a:1000::53. Each host name carries two IP addresses.

congstar-service.net - robtex.com