kotmark.dk DNS records

🖥️ Nameservers2 records 353ms

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 Records7 records 359ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1a	lcfrai-in-f26.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-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 Records1 records 515ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC479ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081701
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

353ms

A

356ms

MX

359ms

AAAA

326ms

TXT

515ms

CAA

315ms

HTTPS

370ms

TLSA

323ms

SOA

0ms

MTA-STS

398ms

DNSSEC

479ms

SRV

370ms

Total

4566ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 08:36:25	4864ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-08-18 00:28:07	4566ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-07-18 12:04:08	1117ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-07-02 23:36:58	2660ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-06-24 13:12:45	1677ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-06-21 22:56:01	927ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 18:46:16	2931ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-06-20 05:35:46	723ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-06-18 03:54:07	900ms	2 NS 0 A 7 MX	🔒 Secure	View