holmventilation.dk
Last scanned: 2026-08-27 04:41:46  ·  778ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   42ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.190.99.46 3600s vps-3221.onecom-cloud.one AS8648 dogado GmbH 85.190.96.0/19 🇳🇱 The Netherlands —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)1 records   59ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:880:0:21::4a 3600s vps-3221.onecom-cloud.one AS8648 dogado GmbH 2001:880:0:0:0:0:0:0/32 🇩🇪 Germany —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.holmventilation.dk 0YpKNmY0rqPv5JCDh1TB7oocrjsF5pujAFKAiYrD3eU
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC106ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026021804
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
42ms
A
41ms
MX
41ms
AAAA
59ms
TXT
169ms
CAA
60ms
HTTPS
41ms
TLSA
296ms
SOA
0ms
MTA-STS
75ms
DNSSEC
106ms
SRV
68ms
Total
778ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 04:41:46 778ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-14 09:01:14 25207ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-27 16:47:37 618ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-20 16:27:33 1722ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-17 13:36:04 1891ms 3 NS 1 A 0 MX 🔒 Secure View
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