merkura.dk

Records from scan: 2026-10-15 16:33:12 · 5155ms total · last checked 2026-10-19 20:07 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

merkura.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 14 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.254.168.52 is hosted by Aarhus Business College (AS51073) in Denmark. Mail is handled by merkura-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.efif.dk	195.254.168.23	ns.efif.dk	AS51073 Aarhus Business College
ns2.efif.dk	195.254.168.12	ns2.efif.dk	AS51073 Aarhus Business College
ns3.efif.dk	20.23.170.35	—	AS8075 Microsoft Corporation

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.254.168.52	3600s	cphbusiness.dk ek.dk keanet.dk kompetence.kea.dk redirect.efif.dk	AS51073	Aarhus Business College	195.254.168.0/23	🇩🇰 Denmark	Viby J

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	merkura-dk.mail.protection.outlook.com	2a01:111:f403:ca09::a 2a01:111:f403:ca38::8 2a01:111:f403:ca48::10 2a01:111:f403:ca48::c 52.101.185.114 52.101.209.28 52.101.73.153 52.101.91.156	mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-maspr04cu00104.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 240ms

TXT Record
Digital handel
MS=ms56767738
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.merkura.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.dk; rua=mailto:analyze@efif.dk

📬 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#

checked 2026-10-15 16:33:12

www	195.254.168.52 (AS51073) (address records, no CNAME)
www vs bare domain	Same network merkura.dk: 195.254.168.52 (AS51073) www.merkura.dk: 195.254.168.52 (AS51073)
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-merkura-dk._domainkey.efif.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-merkura-dk._domainkey.efif.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

71ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2023100563
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 23:38:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-01-14
Expires	2027-01-13 (85d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

43ms

AAAA

52ms

TXT

240ms

CAA

57ms

HTTPS

38ms

TLSA

719ms

SOA

32ms

MTA-STS

63ms

DNSSEC

71ms

SRV

99ms

Total

5155ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 16:33:12 shown	5155ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-14 16:00:01	1579ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 23:25:58	3505ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-06 22:50:21	5345ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-05 10:05:02	7052ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-29 07:35:35	8967ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 17:26:14	745ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 14:20:04	5665ms	3 NS 1 A 1 MX	🔓 Insecure