checkmarks.dk

📜 Historical scan 2026-06-16 20:25:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

checkmarks.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 December 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	—	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

5 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	108.177.14.26	lt-in-f26.1e100.net	AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.158.27	lcdels-in-f27.1e100.net	AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.27	so-in-f27.1e100.net	AS15169 Google LLC
10	—	aspmx2.googlemail.com	192.178.211.27	lcbomp-in-f27.1e100.net	AS15169 Google LLC
10	—	aspmx3.googlemail.com	142.250.147.26	rd-in-f26.1e100.net	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 2205ms

TXT Record
google-site-verification=eD2w9okYGV--xCB4HUJ-_aRVTQvN0CK8qjX_ssLWPVk

✉️ 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 2026-10-12 10:01:10

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Same network checkmarks.dk: 195.47.247.18 (AS51468) www.checkmarks.dk: 46.30.211.38 (AS51468)
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#

179ms

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

🏷️ SOA#

69ms

Field	Value
Serial	2026061102
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 2026-10-06 16:17:01

Field	Value
Registrar	ONE.COM A/S
Registered	2016-12-20
Expires	2029-12-31 (1167d)

📋 WHOIS#

⏱️ Lookup Timing#

63ms

69ms

71ms

AAAA

61ms

TXT

2205ms

CAA

69ms

HTTPS

69ms

TLSA

42ms

SOA

69ms

MTA-STS

56ms

DNSSEC

179ms

SRV

0ms

Total

2641ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 10:01:10	1497ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-12 09:40:44	811ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-10 02:51:57	839ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-15 12:23:26	921ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-12 01:59:36	4695ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-10 20:46:34	17092ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-17 18:00:18	1454ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-15 01:57:45	1090ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-10 14:20:48	5604ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-02 10:12:49	1419ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 00:10:38	955ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-16 20:25:12 shown	2641ms	2 NS 1 A 5 MX	🔒 Secure