ctg.dk

📜 Historical scan 2026-07-20 03:21:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ctg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.149.167 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by .. 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 31ms

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#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.150.149.167	600s	x599695a7.customers.hiper-net.dk	AS203953	Hiper A/S	89.150.128.0/18	🇩🇰 Denmark	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-08 08:15:12

www	64.190.63.111 (AS47846) (address records, no CNAME)
www vs bare domain	Same network ctg.dk: 64.190.63.222 (AS47846) www.ctg.dk: 64.190.63.111 (AS47846)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026071901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

31ms

34ms

35ms

AAAA

34ms

TXT

148ms

CAA

33ms

HTTPS

34ms

TLSA

81ms

SOA

0ms

MTA-STS

44ms

DNSSEC

63ms

SRV

36ms

Total

692ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 06:01:53	816ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-02 06:01:10	65535ms	2 NS 0 A 0 MX	❓ Unknown
2026-09-30 05:43:29	948ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-26 18:55:55	972ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-30 10:15:01	890ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-28 04:37:02	1624ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-28 02:00:42	187ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-26 22:58:08	178ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-24 17:04:10	461ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-23 16:29:49	9812ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-22 15:50:19	802ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-21 15:35:36	1096ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-20 15:12:10	798ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-19 12:26:52	5292ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-18 12:25:28	730ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-17 06:00:21	1573ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-13 19:56:42	837ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-12 15:24:38	692ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-09 16:41:50	1578ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-06 22:31:58	1035ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-04 18:08:14	2675ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-28 05:01:51	712ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-21 05:03:30	6595ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-20 03:21:05 shown	692ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 17:24:37	560ms	2 NS 1 A 1 MX	🔒 Secure