mrkom.dk

📜 Historical scan 2026-09-16 04:58:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mrkom.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 18 November 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.53 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mrkom-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#

4 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.53	3600s	linux377.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mrkom-dk.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 2a01:111:f403:ca48::8 2a01:111:f403:ca48::a 52.101.103.143 52.101.73.145 52.101.91.162 52.101.91.21	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com mail-matpr05cu00105.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 → 40.104.116.56
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 81ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 136ms

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

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (mrkom.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all
?all (neutral)	v=spf1 include:spf.simply.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 18:48:31

www	185.20.205.53 (AS48854) (address records, no CNAME)
www vs bare domain	Same network mrkom.dk: 185.20.205.53 (AS48854) www.mrkom.dk: 185.20.205.53 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 21:29:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-11-18
Expires	2026-11-30 (43d)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

44ms

36ms

AAAA

31ms

TXT

136ms

CAA

31ms

HTTPS

37ms

TLSA

237ms

SOA

0ms

MTA-STS

56ms

DNSSEC

76ms

SRV

81ms

Total

732ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 19:24:35	1434ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 19:21:26	1024ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-25 14:58:06	1248ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-16 04:58:48 shown	732ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 11:30:49	1081ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 21:24:49	933ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 05:29:08	1031ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:47:30	4314ms	4 NS 1 A 1 MX	🔒 Secure