helsingørventilation.dk xn--helsingrventilation-17b.dk

📜 Historical scan 2026-08-06 16:19:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

helsingørventilation.dk is a .dk domain served by 2 nameservers (major.ns.cloudflare.com, ximena.ns.cloudflare.com). It was registered on 23 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.4.212 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
major.ns.cloudflare.com	108.162.193.241 172.64.33.241 173.245.59.241 2606:4700:58::adf5:3bf1 2803:f800:50::6ca2:c1f1 2a06:98c1:50::ac40:21f1	major.ns.cloudflare.com major.ns.cloudflare.com major.ns.cloudflare.com major.ns.cloudflare.com major.ns.cloudflare.com major.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ximena.ns.cloudflare.com	108.162.194.10 162.159.38.10 172.64.34.10 2606:4700:50::a29f:260a 2803:f800:50::6ca2:c20a 2a06:98c1:50::ac40:220a	ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.4.212	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.132.128	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:4d4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8480	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.4.212,172.67.132.128 ech=AEX+DQBBAgAgACD9YBsZa9AfGpokDESMlc0d5DTNYeFr/Py5lwrPydN/eQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4d4,2606:4700:3037::ac43:8480

📝 TXT Records#

1 records 207ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (helsingørventilation.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.helsingørventilation.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-15 01:05:34

www	104.21.4.212 172.67.132.128 2606:4700:3032::6815:4d4 2606:4700:3037::ac43:8480 (AS13335) (address records, no CNAME)
www vs bare domain	Same network helsingørventilation.dk: 104.21.4.212 172.67.132.128 2606:4700:3032::6815:4d4 2606:4700:3037::ac43:8480 (AS13335) www.helsingørventilation.dk: 104.21.4.212 172.67.132.128 2606:4700:3032::6815:4d4 2606:4700:3037::ac43:8480 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

82ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411238615
Primary NS (MNAME)	major.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 12:42:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-02-23
Expires	2030-02-28 (1222d)

🔗 Same registrant#

1 domain

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
helsingorventilation.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

39ms

40ms

AAAA

46ms

TXT

207ms

CAA

32ms

HTTPS

40ms

TLSA

109ms

SOA

0ms

MTA-STS

76ms

DNSSEC

82ms

SRV

67ms

Total

1054ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 01:05:34	431ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 20:52:13	796ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 16:42:33	787ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 02:55:34	584ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 02:31:31	964ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 16:19:38 shown	1054ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-20 18:25:30	877ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-11 13:19:50	938ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-04 21:23:04	3002ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 15:28:44	815ms	2 NS 2 A 1 MX	⚠️ Bogus
2026-06-17 11:22:09	698ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-17 11:20:15	1031ms	2 NS 2 A 0 MX	🔒 Secure