nsk.dk

📜 Historical scan 2026-09-30 09:27:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nsk.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 30 April 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by nsk-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

3 records 32ms

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#

🌍

No A records found

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	nsk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca38::8 52.101.68.12 52.101.68.15 52.101.73.123 52.101.73.153	mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 117ms

TXT Record
MS=ms75114318
v=spf1 mx a a:mail2.klubmodul.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (nsk.dk)
-all (hard fail)	v=spf1 mx a a:mail2.klubmodul.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.nsk.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@klubmodul.dk; ruf=mailto:dmarc@klubmodul.dk; fo=1; adkim=s; aspf=s

📬 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 01:24:54

www CNAME	nstved-sejlklub.partner.onboard.blue (all on onboard.blue) → 104.26.4.242 104.26.5.242 172.67.70.152 2606:4700:20::681a:4f2 2606:4700:20::681a:5f2 2606:4700:20::ac43:4698 (AS13335)
www vs bare domain	Different networks nsk.dk: 94.231.103.100 (AS48854) www.nsk.dk: 104.26.4.242 104.26.5.242 172.67.70.152 2606:4700:20::681a:4f2 (AS13335) (all like this)
Wildcard	No
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

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u18179280.wl031.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u18179280.wl031.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-nsk-dk._domainkey.kasnsk.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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026091702
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 2026-10-04 12:39:18

Field	Value
Registrar	Simply.com A/S
Registered	2002-04-30
Expires	2027-06-30 (253d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

43ms

28ms

AAAA

35ms

TXT

117ms

CAA

30ms

HTTPS

42ms

TLSA

361ms

SOA

0ms

MTA-STS

50ms

DNSSEC

68ms

SRV

51ms

Total

903ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 01:24:54	923ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-07 14:29:02	1031ms	3 NS 0 A 1 MX	🔓 Insecure
2026-10-04 09:48:10	955ms	3 NS 0 A 1 MX	🔓 Insecure
2026-09-30 09:27:28 shown	903ms	3 NS 0 A 1 MX	🔓 Insecure
2026-09-23 16:12:34	1299ms	3 NS 0 A 1 MX	🔓 Insecure
2026-08-28 09:11:25	962ms	3 NS 0 A 1 MX	🔓 Insecure
2026-08-26 05:11:43	690ms	3 NS 0 A 1 MX	🔓 Insecure
2026-07-03 11:25:13	3289ms	3 NS 0 A 1 MX	🔓 Insecure
2026-06-26 18:32:59	1730ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 04:21:34	1293ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 19:10:21	942ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 13:45:15	1017ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 01:35:29	1940ms	2 NS 1 A 1 MX	🔓 Insecure