nsu.dk

📜 Historical scan 2026-08-27 09:33:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nsu.dk is a .dk domain served by 2 nameservers (ns.wannafind.dk, ns2.wannafind.dk). It was registered on 17 January 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.2 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by nsu-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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.wannafind.dk	185.25.141.6 2a02:2339:4006:103:1c:3f6d:daba:dee	ns1.wannafind.dk ns1.wannafind.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.wannafind.dk	2a02:2339:1:104::daba:daa 91.197.248.69	ns2.wannafind.dk ns2.wannafind.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.2	3600s	web47.wannafind.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	nsu-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::5 2a01:111:f403:ca04::c 2a01:111:f403:ca38::8 52.101.68.15 52.101.73.145 52.101.73.2 52.101.73.6	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 52.98.199.200
🔶 Autoconfig	185.21.40.2

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 141ms

TXT Record
v=spf1 domain:nsu.dk mx a a:nsu-dk.mail.protection.outlook.com include:spf.wannafind.dk ~all

✉️ SPF#

Policy	Record (nsu.dk)
~all (soft fail)	v=spf1 domain:nsu.dk mx a a:nsu-dk.mail.protection.outlook.com include:spf.wannafind.dk ~all

📨 DMARC#

Policy	Record (_dmarc.nsu.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100

📬 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 03:11:31

www	185.21.40.2 (AS48854) (address records, no CNAME)
www vs bare domain	Same network nsu.dk: 185.21.40.2 (AS48854) www.nsu.dk: 185.21.40.2 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-nsu-dk._domainkey.blhtransport.d-v1.dkim.mail.microsoft	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: 6/10 · policy: ~all

error Unknown mechanism "domain:nsu.dk": receivers treat the record as a permanent error

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026020201
Primary NS (MNAME)	ns.wannafind.dk
Responsible (RNAME)	hostmaster@wannafind.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-18 21:09:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-01-17
Expires	2030-01-31 (1200d)

🔗 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#

35ms

39ms

37ms

AAAA

34ms

TXT

141ms

CAA

37ms

HTTPS

51ms

TLSA

683ms

SOA

0ms

MTA-STS

58ms

DNSSEC

79ms

SRV

55ms

Total

1380ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 16:21:29	682ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 05:40:37	522ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 18:47:16	778ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 09:33:02 shown	1380ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 23:45:23	2741ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:56:05	916ms	2 NS 1 A 1 MX	🔒 Secure