nlk.dk

📜 Historical scan 2026-10-08 22:57:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nlk.dk is a .dk domain served by 2 nameservers (addyson.ns.cloudflare.com, bruce.ns.cloudflare.com). It was registered on 29 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.16 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cp04.azehosting.net, tarbaby.junkemailfilter.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 151ms

Nameserver	IP addresses	PTR	ASN / ISP
addyson.ns.cloudflare.com	108.162.194.68 162.159.38.68 172.64.34.68 2606:4700:50::a29f:2644 2803:f800:50::6ca2:c244 2a06:98c1:50::ac40:2244	addyson.ns.cloudflare.com addyson.ns.cloudflare.com addyson.ns.cloudflare.com addyson.ns.cloudflare.com addyson.ns.cloudflare.com addyson.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
bruce.ns.cloudflare.com	108.162.193.77 172.64.33.77 173.245.59.77 2606:4700:58::adf5:3b4d 2803:f800:50::6ca2:c14d 2a06:98c1:50::ac40:214d	bruce.ns.cloudflare.com bruce.ns.cloudflare.com bruce.ns.cloudflare.com bruce.ns.cloudflare.com bruce.ns.cloudflare.com bruce.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 202ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.65.16	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.139.69	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 167ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	cp04.azehosting.net	162.55.97.110 2a01:4f8:271:2a11::2	cp04.azehosting.net cp04.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
20	300s	tarbaby.junkemailfilter.com	184.105.182.214 184.105.182.215 184.105.182.216 184.105.182.224 184.105.182.225 184.105.182.226	— — — — — —	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC

🔷 AAAA Records (IPv6)#

2 records 187ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8b45	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:4110	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 179ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.16,172.67.139.69 ech=AEX+DQBBwAAgACChovIcxMAvErdZWdJKW0ZKHwr9hAEQ81CIeyuWni/lPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8b45,2606:4700:3031::6815:4110

📝 TXT Records#

2 records 482ms

TXT Record
mistral-domain-verification=ce585468479ef449756784143852ffcc0c56dbb9
v=spf1 ip4:162.55.97.110 include:spf.azehosting.net ip4:144.76.108.213 ip4:157.90.34.121 ip4:185.221.37.139 ip4:88.99.206.78 +a +mx +ip4:185.121.172.165 +ip4:185.121.172.164 ~all

✉️ SPF#

Policy	Record (nlk.dk)
~all (soft fail)	v=spf1 ip4:162.55.97.110 include:spf.azehosting.net ip4:144.76.108.213 ip4:157.90.34.121 ip4:185.221.37.139 ip4:88.99.206.78 +a +mx +ip4:185.121.172.165 +ip4:185.121.172.164 ~all

📨 DMARC#

Policy	Record (_dmarc.nlk.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:6d93196ffa0142ef9681f78b01bc8841@dmarc-reports.cloudflare.net,mailto:nicolaj+cloudflaire@nlk.dk

📬 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 06:46:45

www	104.21.65.16 172.67.139.69 2606:4700:3030::ac43:8b45 2606:4700:3031::6815:4110 (AS13335) (address records, no CNAME)
www vs bare domain	Same network nlk.dk: 104.21.65.16 172.67.139.69 2606:4700:3030::ac43:8b45 2606:4700:3031::6815:4110 (AS13335) www.nlk.dk: 104.21.65.16 172.67.139.69 2606:4700:3030::ac43:8b45 2606:4700:3031::6815:4110 (AS13335)
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
default	—	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#

328ms

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

🏷️ SOA#

76ms

Field	Value
Serial	2416921730
Primary NS (MNAME)	addyson.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 06:59:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-04-29
Expires	2027-06-30 (255d)

🔗 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#

151ms

202ms

167ms

AAAA

187ms

TXT

482ms

CAA

170ms

HTTPS

179ms

TLSA

638ms

SOA

76ms

MTA-STS

197ms

DNSSEC

328ms

SRV

219ms

Total

3196ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 06:46:45	1375ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-12 05:44:42	1835ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-08 22:57:49 shown	3196ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-07 22:52:39	1339ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-06 22:49:15	2749ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-05 19:17:44	2373ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-04 19:11:53	2107ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-03 19:01:41	1197ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-01 18:56:53	1499ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-30 18:49:49	1138ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-29 22:50:46	2408ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-29 22:47:41	965ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-28 22:30:43	1389ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-25 21:34:41	1726ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-23 19:04:26	1424ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-21 02:38:14	1754ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-19 10:00:58	2217ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-12 08:28:06	4508ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-08 13:21:56	2595ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-31 21:17:17	1324ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-26 21:57:04	3447ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-23 23:24:22	3824ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-20 21:45:31	10218ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-19 20:29:22	2063ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-15 04:24:16	5860ms	2 NS 2 A 2 MX	🔒 Secure