koa.dk

📜 Historical scan 2026-09-10 02:21:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koa.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 14 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.105 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by koa-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#

3 records 39ms

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

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.105	3600s	linux93.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	koa-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::b 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 52.101.68.12 52.101.68.3 52.101.73.123 52.101.91.153	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00101.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	94.231.103.105

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 155ms

TXT Record
v=spf1 include:spf.simply.com include:spf.protection.outlook.com include:spf.host4u.dk -all

✉️ SPF#

Policy	Record (koa.dk)
-all (hard fail)	v=spf1 include:spf.simply.com include:spf.protection.outlook.com include:spf.host4u.dk -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 2026-10-12 21:26:07

www	94.231.103.105 (AS48854) (address records, no CNAME)
www vs bare domain	Same network koa.dk: 94.231.103.105 (AS48854) www.koa.dk: 94.231.103.105 (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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026012303
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 2026-10-12 21:44:27

Field	Value
Registrar	Simply.com A/S
Registered	2023-02-14
Expires	2027-02-13 (118d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
koaadministration.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

39ms

37ms

53ms

AAAA

41ms

TXT

155ms

CAA

45ms

HTTPS

30ms

TLSA

606ms

SOA

0ms

MTA-STS

45ms

DNSSEC

77ms

SRV

80ms

Total

1158ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 21:26:07	946ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 00:55:46	937ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-22 01:35:20	842ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-10 02:21:16 shown	1158ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-03 21:53:17	2665ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-25 17:46:47	852ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-24 02:56:49	901ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-23 11:14:50	1141ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 08:27:45	1133ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 15:18:55	995ms	3 NS 1 A 1 MX	🔒 Secure