c-tek.dk

Records from scan: 2026-10-22 07:24:49 · 704ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c-tek.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 March 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.226.145.118 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 28ms

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 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.226.145.118	1200s	—	AS216275	Netnoerden ApS	91.226.144.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records#

5 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	108.177.14.26 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b	lt-in-f26.1e100.net lf-in-f27.1e100.net lf-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	91.226.145.118
🔶 Autoconfig	91.226.145.118

🔷 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#

checked 2026-10-22 07:24:49

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks c-tek.dk: 91.226.145.118 (AS216275) www.c-tek.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

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

🏷️ SOA#

22ms

Field	Value
Serial	2026100801
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 2026-10-09 06:55:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-03-29
Expires	2027-03-31 (159d)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

23ms

30ms

AAAA

30ms

TXT

144ms

CAA

24ms

HTTPS

23ms

TLSA

93ms

SOA

22ms

MTA-STS

44ms

DNSSEC

100ms

SRV

57ms

Total

704ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 07:24:49 shown	704ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-09 06:46:32	5221ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-08 06:42:23	4566ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-01 01:38:16	4478ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-18 14:16:36	1927ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-27 00:44:10	3967ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-10 04:26:27	1228ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-11 23:21:14	1293ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-02 00:50:29	1563ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-16 18:48:42	453ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-16 18:40:09	737ms	2 NS 1 A 5 MX	🔒 Secure