expert-ventilation.dk

📜 Historical scan 2026-08-24 17:46:17  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

expert-ventilation.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 14 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.31 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by expert-ventilation.dk. 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#

3 records   51ms
NameserverIP addressesPTRASN / ISP
ns5.chosting.dk 167.235.66.236
2a01:4f8:1c1e:d097::1		 ns5.chosting.dk
ns5.chosting.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns6.chosting.dk 2001:41d0:305:2100::80e9
51.91.57.33		 ns6.chosting.dk
ns6.chosting.dk		 AS16276 OVH SAS
AS16276 OVH SAS
ns7.chosting.dk 178.20.220.33 ns7.chosting.dk AS21060 Atea A/S

🌍 A Records#

1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.20.216.31 14400s server12.chosting.dk AS21060 Atea A/S 178.20.216.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s expert-ventilation.dk 178.20.216.31
2a01:7cc0:101:ffff::1:a		 server12.chosting.dk
—		 AS21060 Atea A/S
AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover178.20.216.31
🔶 Autoconfig178.20.216.31

🔷 AAAA Records (IPv6)#

1 records   47ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:7cc0:101:ffff::1:a 14400s — AS21060 Atea A/S 2a01:7cc0:100:0:0:0:0:0/40 🇩🇰 Denmark —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   138ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   363ms
TXT Record
v=spf1 ip4:178.20.216.31 include:spf.chosting.dk +a +mx +ip4:178.20.216.32 ~all

✉️ SPF#

PolicyRecord (expert-ventilation.dk)
~all (soft fail) v=spf1 ip4:178.20.216.31 include:spf.chosting.dk +a +mx +ip4:178.20.216.32 ~all

📨 DMARC#

PolicyRecord (_dmarc.expert-ventilation.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 2026-10-22 05:28:19
www CNAMEexpert-ventilation.dk (all on expert-ventilation.dk)
www vs bare domainSame network
expert-ventilation.dk: 178.20.216.31 2a01:7cc0:101:ffff::1:a (AS21060)
www.expert-ventilation.dk: 178.20.216.31 2a01:7cc0:101:ffff::1:a (AS21060)
WildcardNo
Denial of existenceNSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.expert-ventilation.dk g5Yw9oDKwYMwcNHKxyP-N9AEOg1ssWutPWNtevYyIH8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

142ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026082405
Primary NS (MNAME)ns5.chosting.dk
Responsible (RNAME)logs@chosting.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-14 16:09:24
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-12-14
Expires2035-12-31 (3356d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
51ms
A
45ms
MX
50ms
AAAA
47ms
TXT
363ms
CAA
50ms
HTTPS
41ms
TLSA
209ms
SOA
0ms
MTA-STS
144ms
DNSSEC
142ms
SRV
138ms
Total
979ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 05:28:18 1086ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-20 22:26:27 672ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-19 22:00:47 1296ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-18 21:08:22 880ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-17 19:40:08 1366ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-16 18:28:01 2870ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-15 17:12:13 2173ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-14 15:39:16 2916ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-13 13:49:45 550ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-12 13:26:40 781ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-11 10:56:25 1179ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-10 08:40:45 748ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-09 04:31:57 1541ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-08 04:28:51 639ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-07 12:54:04 1413ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-06 12:02:11 2100ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-05 11:37:17 2122ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-04 11:31:25 2345ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-03 11:29:19 772ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-02 11:28:42 568ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-01 11:26:51 574ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-30 11:20:20 883ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-30 07:06:44 3393ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-29 07:02:45 660ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-28 06:36:38 762ms 3 NS 1 A 1 MX 🔒 Secure
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