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

📜 Historical scan 2026-06-23 15:28:44  ·  ← 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 188.114.96.1 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is DNSSEC-signed but currently fails validation, 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   36ms

🌍 A Records#

2 records   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.114.96.1 600s — AS13335 Cloudflare, Inc. 188.114.96.0/22 — —
188.114.97.1 600s — AS13335 Cloudflare, Inc. 188.114.96.0/22 — —

📧 MX Records#

1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s .  Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records   37ms

🔐 HTTPS Records#

1 records   68ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB6AAgACCF7cJGVm9M1rzxOsNktLRhwAXKX/4cae2j3utvCATNHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

1 records   185ms
TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
www104.21.4.212 172.67.132.128 2606:4700:3032::6815:4d4 2606:4700:3037::ac43:8480 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: 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#

70ms
CheckResult
Validation Status⚠️ Bogus
AD Flag (resolver validates)✗ Not set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxdomain

🏷️ SOA#

66ms
FieldValue
Serial2407091409
Primary NS (MNAME)major.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 12:42:22
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2010-02-23
Expires2030-02-28 (1224d)

🔗 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).

DomainRegistrar
helsingorventilation.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
48ms
MX
37ms
AAAA
37ms
TXT
185ms
CAA
26ms
HTTPS
68ms
TLSA
101ms
SOA
66ms
MTA-STS
69ms
DNSSEC
70ms
SRV
144ms
Total
815ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 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
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