luder.dk
Last scanned: 2026-08-26 17:03:56  ·  1806ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   53ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.106.166.52 43200s 193-106-166-52.ip4.fiberby.net AS42541 Fiberby ApS 193.106.164.0/22 🇩🇰 Denmark —
📧 MX Records1 records   41ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.luder.dk 193.106.166.52 193-106-166-52.ip4.fiberby.net AS42541 Fiberby ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverluder.dk → 193.106.166.52
🔶 Autoconfigluder.dk → 193.106.166.52
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   183ms
TXT Record
v=DKIM1;k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDcViGVGgD6VBirIvpP5l10YPkta0yoq4YY7OVECjMsIq05PmJhImUq9ijUrP7ol1xk5fIJ4UE32RL/hhKMA4x+tD15BNZUmJ6YXI1vq4ypnRWH0laJrm3HWPzSyLx4AZSuN7NMFFTyEks6zcIifbB882BA9yQdQJimMBRFckSc3QIDAQAB
v=spf1 mx ip4:178.63.40.215 mx:alt1.aspmx.l.google.com mx:alt2.aspmx.l.google.com mx:aspmx.l.google.com mx:aspmx2.googlemail.com mx:aspmx3.googlemail.com ~all
✉️ SPF
PolicyRecord (luder.dk)
~all (soft fail) v=spf1 mx ip4:178.63.40.215 mx:alt1.aspmx.l.google.com mx:alt2.aspmx.l.google.com mx:aspmx.l.google.com mx:aspmx2.googlemail.com mx:aspmx3.googlemail.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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.luder.dk luder.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC108ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026030701
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
53ms
A
62ms
MX
41ms
AAAA
36ms
TXT
183ms
CAA
54ms
HTTPS
887ms
TLSA
169ms
SOA
0ms
MTA-STS
67ms
DNSSEC
108ms
SRV
905ms
Total
1806ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 17:03:56 1806ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 00:41:40 757ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 01:13:09 1115ms 2 NS 1 A 1 MX 🔒 Secure View
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