skdk.dk

📜 Historical scan 2026-06-18 07:58:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skdk.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 May 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.226 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by skdk-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 56ms

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#

1 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.226	—	vm1030.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	skdk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::c 52.101.73.1 52.101.73.11 52.101.73.12 52.101.73.30	mail-db7pr03cu00601.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 52.98.152.184

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 196ms

TXT Record
MS=ms97459114
v=spf1 mx ip4:212.130.197.179 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:93.176.66.100 ip4:193.104.246.21 ip4:193.104.246.22 ip4:193.104.246.23 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (skdk.dk)
-all (hard fail)	v=spf1 mx ip4:212.130.197.179 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:93.176.66.100 ip4:193.104.246.21 ip4:193.104.246.22 ip4:193.104.246.23 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.skdk.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarcreports@skdk.dk; ruf=mailto:dmarcreports@skdk.dk; sp=none

📬 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 2026-10-13 14:54:38

www CNAME	skdk.dk (all on skdk.dk) → 185.21.42.226 (AS48854)
www vs bare domain	Same network skdk.dk: 185.21.42.226 (AS48854) www.skdk.dk: 185.21.42.226 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-skdk-dk._domainkey.skdk.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-skdk-dk._domainkey.skdk.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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

136ms

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

🏷️ SOA#

65ms

Field	Value
Serial	2026032401
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 2026-10-13 15:20:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-05-01
Expires	2027-06-30 (255d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

56ms

57ms

32ms

AAAA

67ms

TXT

196ms

CAA

106ms

HTTPS

38ms

TLSA

232ms

SOA

65ms

MTA-STS

104ms

DNSSEC

136ms

SRV

141ms

Total

824ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 14:54:38	1137ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 15:59:42	1303ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 01:31:16	1210ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 21:04:03	5920ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 10:00:44	953ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 00:05:38	661ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:58:25 shown	824ms	2 NS 1 A 1 MX	🔒 Secure