gcg.dk

📜 Historical scan 2026-06-17 09:58:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gcg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by gcg-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 111ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 101ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	—	gcg-dk.mail.protection.outlook.com	52.101.68.12 52.101.68.15 52.101.68.21 52.101.73.19	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 217ms

TXT Record
MS=ms26682673

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 19:35:15

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves gcg.dk: no address www.gcg.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

269ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

106ms

Field	Value
Serial	2026030501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 11:09:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-10-02
Expires	2026-12-31 (73d)

🔗 Same registrant#

4 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
brandrnordic.dk	Simply.com A/S
ggn.dk	Simply.com A/S
uncle-grey.dk	Simply.com A/S
unclegrey.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

111ms

125ms

101ms

AAAA

128ms

TXT

217ms

CAA

116ms

HTTPS

109ms

TLSA

1263ms

SOA

106ms

MTA-STS

76ms

DNSSEC

269ms

SRV

0ms

Total

2413ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:35:15	1010ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-30 03:38:23	716ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-27 02:30:49	781ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 07:03:20	894ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-05 10:42:09	1159ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-08 23:06:34	5016ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-03 00:18:24	976ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-21 03:47:30	645ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-20 08:04:16	618ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 09:58:56 shown	2413ms	2 NS 0 A 1 MX	🔒 Secure