kotmark.dk

📜 Historical scan 2026-06-20 05:35:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kotmark.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 37ms

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#

7 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	108.177.14.27 2a00:1450:4025:c01::1a	lt-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	172.253.158.27 2404:6800:4000:1025::1b	so-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	192.178.211.27 2a00:1450:4010:c22::1b	lcbomp-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	192.178.230.26 2404:6800:4008:c01::1b	yunrtab-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	108.177.125.27 2607:f8b0:400e:c1e::1a	tp-in-f27.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 251ms

TXT Record
google-site-verification=IcID_O_FPfObPrQ4FFCDSe1ebK35tk0czenz4w2SLT0

✉️ 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 2026-10-18 17:12:11

www CNAME	ghs.google.com (all on google.com) → 142.251.142.243 2a00:1450:400f:805::2013 (AS15169)
www vs bare domain	Only www resolves kotmark.dk: no address www.kotmark.dk: 142.251.142.243 2a00:1450:400f:805::2013 (AS15169) (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#

67ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2026061601
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 2026-10-18 17:47:30

Field	Value
Registrar	ONE.COM A/S
Registered	2009-09-24
Expires	2027-09-30 (340d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

37ms

40ms

AAAA

38ms

TXT

251ms

CAA

41ms

HTTPS

35ms

TLSA

79ms

SOA

49ms

MTA-STS

36ms

DNSSEC

67ms

SRV

82ms

Total

723ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 17:12:11	915ms	2 NS 0 A 7 MX	🔒 Secure
2026-10-04 02:43:36	4505ms	2 NS 0 A 7 MX	🔒 Secure
2026-10-01 02:29:44	507ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-19 21:22:48	1008ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-25 08:36:25	4864ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-18 00:28:07	4566ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-18 12:04:08	1117ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-02 23:36:58	2660ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-24 13:12:45	1677ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-21 22:56:01	927ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 18:46:16	2931ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-20 05:35:46 shown	723ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-18 03:54:07	900ms	2 NS 0 A 7 MX	🔒 Secure