nikolajholm.dk
Last scanned: 2026-08-13 11:05:45  ·  6593ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   249ms
🌍 A Records1 records   284ms
📧 MX Records4 records   219ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.30.215.122
🔶 Autoconfig46.30.215.122
🔷 AAAA Records (IPv6)1 records   200ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   1200ms
TXT Record
v=spf1 include:_custspf.one.com -all
✉️ SPF
PolicyRecord (nikolajholm.dk)
-all (hard fail) v=spf1 include:_custspf.one.com -all
📨 DMARC
PolicyRecord (_dmarc.nikolajholm.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@nikolajholm.dk; ruf=mailto:dmarc-reports@nikolajholm.dk;
📬 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 / DANE4 records   941ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 5932F73E86E0548B77B582F47919F654…
🔐 DNSSEC731ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026081204
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
249ms
A
284ms
MX
219ms
AAAA
200ms
TXT
1200ms
CAA
287ms
HTTPS
266ms
TLSA
941ms
SOA
0ms
MTA-STS
382ms
DNSSEC
731ms
SRV
304ms
Total
6593ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-13 11:05:45 6593ms 2 NS 1 A 4 MX 🔓 Insecure View
2026-06-27 00:30:37 4226ms 2 NS 1 A 4 MX 🔓 Insecure View
2026-06-24 12:05:21 1084ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 13:30:23 832ms 2 NS 1 A 4 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone