njnet.dk

📜 Historical scan 2026-08-20 17:15:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

njnet.dk is a .dk domain served by 2 nameservers (aron.ns.cloudflare.com, mario.ns.cloudflare.com). It was registered on 15 September 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by njnet-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

2 records 265ms

Nameserver	IP addresses	PTR	ASN / ISP
aron.ns.cloudflare.com	108.162.192.69 172.64.32.69 173.245.58.69 2606:4700:50::adf5:3a45 2803:f800:50::6ca2:c045 2a06:98c1:50::ac40:2045	aron.ns.cloudflare.com aron.ns.cloudflare.com aron.ns.cloudflare.com aron.ns.cloudflare.com aron.ns.cloudflare.com aron.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mario.ns.cloudflare.com	108.162.193.203 172.64.33.203 173.245.59.203 2606:4700:58::adf5:3bcb 2803:f800:50::6ca2:c1cb 2a06:98c1:50::ac40:21cb	mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 254ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	njnet-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca04::d 2a01:111:f403:ca09::d 52.101.68.12 52.101.68.39 52.101.73.4 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 311ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 792ms

TXT Record
v=spf1 include:outlook.com include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (njnet.dk)
~all (soft fail)	v=spf1 include:outlook.com include:spf.protection.outlook.com ~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 2026-10-20 19:47:55

www	104.21.32.62 172.67.184.60 2606:4700:3036::ac43:b83c 2606:4700:3037::6815:203e (AS13335) (address records, no CNAME)
www vs bare domain	Only www resolves njnet.dk: no address www.njnet.dk: 104.21.32.62 172.67.184.60 2606:4700:3036::ac43:b83c 2606:4700:3037::6815:203e (AS13335) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.njnet.dk	8MxyafXnOHSqXLrsaA53fVVTSJ2W17ap_sMbl6Hp5j4
TXT	_acme-challenge.njnet.dk	VqmTy3nv4khoLGMW3rjjTEReUU4jcyF7xyKSm1lEDi4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

540ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412661137
Primary NS (MNAME)	aron.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 20:32:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-09-15
Expires	2027-09-30 (344d)

🔗 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#

265ms

283ms

254ms

AAAA

264ms

TXT

792ms

CAA

269ms

HTTPS

279ms

TLSA

1046ms

SOA

0ms

MTA-STS

397ms

DNSSEC

540ms

SRV

311ms

Total

14036ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 19:47:55	1217ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-01 21:47:00	810ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 21:42:51	1095ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-27 01:59:30	1683ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-17 03:00:07	1992ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-06 03:49:50	1849ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-27 02:58:03	2168ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-21 17:21:46	2040ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-20 17:15:43 shown	14036ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-07 03:06:59	1351ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-25 06:28:37	1213ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-25 00:44:46	1609ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-22 11:40:01	1187ms	2 NS 0 A 1 MX	❓ Unknown
2026-06-18 04:43:44	1199ms	2 NS 0 A 1 MX	🔓 Insecure