coark.dk

📜 Historical scan 2026-06-22 06:25:32 · ← Latest scan

coark.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 September 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by coark-dk.mail.protection.outlook.com. 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

1 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	coark-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::c 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 52.101.68.0 52.101.73.1 52.101.73.26 52.101.73.8	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

1 records 208ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (coark.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 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

🔎 SPF check

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE

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

🔐 DNSSEC

57ms

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

🏷️ SOA

43ms

Field	Value
Serial	2026030301
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 2026-10-02 15:25:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-09-10
Expires	2026-09-30 (expired)

📋 WHOIS

⏱️ Lookup Timing

37ms

89ms

AAAA

37ms

TXT

208ms

CAA

38ms

HTTPS

44ms

TLSA

405ms

SOA

43ms

MTA-STS

61ms

DNSSEC

57ms

SRV

108ms

Total

861ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-10-02 14:32:29	123ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-01 14:29:18	853ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-04 04:37:55	1356ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-14 20:29:21	5478ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-25 14:39:26	1078ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-22 06:25:32 shown	861ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-20 02:36:05	4746ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-16 21:35:04	790ms	2 NS 0 A 1 MX	🔒 Secure