weltklasse.dk

📜 Historical scan 2026-08-21 03:45:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

weltklasse.dk is a .dk domain served by 2 nameservers (dean.ns.cloudflare.com, joan.ns.cloudflare.com). It was registered on 9 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.2.21 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by weltklasse-dk.p-v1.mx.microsoft. 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 236ms

Nameserver	IP addresses	PTR	ASN / ISP
dean.ns.cloudflare.com	108.162.193.153 172.64.33.153 173.245.59.153 2606:4700:58::adf5:3b99 2803:f800:50::6ca2:c199 2a06:98c1:50::ac40:2199	dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
joan.ns.cloudflare.com	108.162.192.173 172.64.32.173 173.245.58.173 2606:4700:50::adf5:3aad 2803:f800:50::6ca2:c0ad 2a06:98c1:50::ac40:20ad	joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com joan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

3 records 290ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.2.21	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.3.21	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.68.37	300s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records#

1 records 313ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	weltklasse-dk.p-v1.mx.microsoft	2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 2a01:111:f403:ca09::d 52.101.68.36 52.101.68.8 52.101.73.153 52.101.73.6	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.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)#

3 records 262ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:215	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:315	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:4425	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 284ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.26.2.21,104.26.3.21,172.67.68.37 ech=AEX+DQBBowAgACCksf4XsWRzQxvJuxOHvxgR3enW2LhYgGIKLwpkq83PUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:20::681a:215,2606:4700:20::681a:315,2606:4700:20::ac43:4425

🔌 SRV Records#

1 records 367ms

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

📝 TXT Records#

3 records 680ms

TXT Record
brevo-code:8951b3b113a8b213985fa34ad1de447e
MS=ms86100869
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.weltklasse.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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 2026-10-19 06:30:28

www	104.26.2.21 104.26.3.21 172.67.68.37 2606:4700:20::681a:215 2606:4700:20::681a:315 2606:4700:20::ac43:4425 (AS13335) (address records, no CNAME)
www vs bare domain	Same network weltklasse.dk: 104.26.2.21 104.26.3.21 172.67.68.37 2606:4700:20::681a:215 (AS13335) www.weltklasse.dk: 104.26.2.21 104.26.3.21 172.67.68.37 2606:4700:20::681a:215 (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
mail	—	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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.weltklasse.dk	skOwzGj1btRbId98mse0WGUgdLQpJFKO7xvEEIHGlAU
TXT	_acme-challenge.weltklasse.dk	ygSr1u_1sfTURpXOVzhBSnTI_jsl-cMGwRRbzL-9Tp4

🔗 TLSA / DANE#

4 records 488ms

Service / Owner	Type	Cert association
SMTP _25._tcp.weltklasse-dk.p-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.weltklasse-dk.p-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.weltklasse-dk.p-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.weltklasse-dk.p-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…

🔐 DNSSEC#

491ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412690431
Primary NS (MNAME)	dean.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 05:50:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-05-09
Expires	2027-05-31 (218d)

🔗 Same registrant#

9 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).

Domain	Registrar
aalborgfrivilligråd.dk	Punktum dk A/S (direct)
aalborgspace.dk	Punktum dk A/S (direct)
agentour.dk	Punktum dk A/S (direct)
demens-imens.dk	Punktum dk A/S (direct)
fftdanmark.dk	Punktum dk A/S (direct)
ka-os.dk	Punktum dk A/S (direct)
lysningenblokhus.dk	Punktum dk A/S (direct)
naturkommune.dk	Punktum dk A/S (direct)
wkdemo.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

236ms

290ms

313ms

AAAA

262ms

TXT

680ms

CAA

300ms

HTTPS

284ms

TLSA

488ms

SOA

0ms

MTA-STS

370ms

DNSSEC

491ms

SRV

367ms

Total

11374ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 06:30:27	2918ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-18 05:32:57	2666ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-17 04:58:06	631ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-15 02:16:26	639ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-14 02:04:13	1208ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-13 01:16:34	2141ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-08 18:39:54	1050ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-07 18:32:57	626ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-06 00:18:53	538ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-05 00:15:22	1011ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-03 00:06:39	687ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-29 23:55:21	618ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-27 11:41:08	1891ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-23 10:41:29	954ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-18 03:54:57	1398ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-15 04:07:07	2995ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-13 21:59:08	1801ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-12 15:13:48	1649ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-06 19:50:26	2734ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-30 17:46:53	1763ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-24 05:05:26	1609ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-23 04:17:38	2907ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-21 03:45:15 shown	11374ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-19 00:52:49	1940ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-16 09:54:55	1523ms	2 NS 3 A 1 MX	🔒 Secure