nsu.dk

📜 Historical scan 2026-09-30 05:40:37 · ← 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 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 30ms

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 28ms

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 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	nsu-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:c967::c 2a01:111:f403:ca3c::8 2a01:111:f403:ca3c::a 52.101.209.28 52.101.68.15 52.101.68.29 52.101.91.153	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00204.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-dbapr03cu00105.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 → 52.98.154.136
🔶 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#

60ms

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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

30ms

28ms

32ms

AAAA

71ms

TXT

141ms

CAA

37ms

HTTPS

39ms

TLSA

172ms

SOA

0ms

MTA-STS

45ms

DNSSEC

60ms

SRV

57ms

Total

522ms

🕐 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 shown	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	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