ntek.dk

📜 Historical scan 2026-06-18 08:51:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ntek.dk is a .dk domain served by 2 nameservers (galilea.ns.cloudflare.com, sri.ns.cloudflare.com). It was registered on 22 February 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.251 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ntek-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 63ms

Nameserver	IP addresses	PTR	ASN / ISP
galilea.ns.cloudflare.com	108.162.194.233 162.159.38.233 172.64.34.233 2606:4700:50::a29f:26e9 2803:f800:50::6ca2:c2e9 2a06:98c1:50::ac40:22e9	galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sri.ns.cloudflare.com	108.162.193.234 172.64.33.234 173.245.59.234 2606:4700:58::adf5:3bea 2803:f800:50::6ca2:c1ea 2a06:98c1:50::ac40:21ea	sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.251	—	linux8.curanet.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
0	—	ntek-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09:: 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 52.101.68.29 52.101.68.3 52.101.73.153 52.101.73.28	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 52.98.171.232

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 253ms

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

📝 TXT Records#

1 records 260ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (ntek.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all

📨 DMARC#

Policy	Record (_dmarc.ntek.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 11:49:45

www	185.21.40.251 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ntek.dk: 185.21.40.251 (AS48854) www.ntek.dk: 185.21.40.251 (AS48854)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-ntek-dk._domainkey.ntekaps.onmicrosoft.com	RSA · ~1024 bit below 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#

100ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2407127358
Primary NS (MNAME)	galilea.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 12:15:20

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-02-22
Expires	2030-02-28 (1230d)

🔗 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#

63ms

43ms

37ms

AAAA

36ms

TXT

260ms

CAA

31ms

HTTPS

26ms

TLSA

134ms

SOA

27ms

MTA-STS

72ms

DNSSEC

100ms

SRV

253ms

Total

2923ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 11:49:44	3286ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 00:26:37	951ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 06:56:10	1164ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 02:16:07	1897ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 08:29:50	1987ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 06:10:57	9199ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 23:29:26	3472ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 03:54:45	1334ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 08:51:11 shown	2923ms	2 NS 1 A 1 MX	🔒 Secure