kern.dk
📜 Historical scan 2026-06-28 23:59:49  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   33ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.78 3600s webcluster1.webpod16-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records3 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod5-cph3.one.com 185.164.14.54 mx1.pub.mailpod5-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod5-cph3.one.com 185.164.14.55 mx2.pub.mailpod5-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod5-cph3.one.com 185.164.14.56 mx3.pub.mailpod5-cph3.one.com AS51468 One.com A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.30.215.78
🔶 Autoconfig46.30.215.78
🔷 AAAA Records (IPv6)1 records   54ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:111:76:9e7a:10d1:4e67 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   175ms
TXT Record
v=spf1 include:_custspf.one.com -all
✉️ SPF
PolicyRecord (kern.dk)
-all (hard fail) v=spf1 include:_custspf.one.com -all
📨 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
🔗 TLSA / DANE3 records   53ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 D8DFA3FF2BFC8029FC54CAE58297D988…
SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 D8DFA3FF2BFC8029FC54CAE58297D988…
SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 D8DFA3FF2BFC8029FC54CAE58297D988…
🔐 DNSSEC110ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026062305
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
33ms
A
30ms
MX
30ms
AAAA
54ms
TXT
175ms
CAA
26ms
HTTPS
38ms
TLSA
53ms
SOA
0ms
MTA-STS
46ms
DNSSEC
110ms
SRV
64ms
Total
647ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-23 12:57:33 1166ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-22 11:53:42 926ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-15 19:39:43 960ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-10 12:15:48 822ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-26 10:32:43 16704ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-02 02:00:57 1382ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-28 23:59:49 647ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 13:21:22 2427ms 2 NS 1 A 3 MX 🔒 Secure View
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