lightguide.dk
📜 Historical scan 2026-07-13 10:23:18  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   2034ms
🌍 A Records1 records   31ms
📧 MX Records4 records   2035ms
🔷 AAAA Records (IPv6)1 records   37ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   166ms
TXT Record
google-site-verification=b_tW00kGgSTWCwzh-vTIGsWPssEUzTt55CQz7t7tCtM
v=spf1 include:_custspf.one.com ~all
✉️ SPF
PolicyRecord (lightguide.dk)
~all (soft fail) v=spf1 include:_custspf.one.com ~all
📨 DMARC
PolicyRecord (_dmarc.lightguide.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc-reports@lightguide.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   75ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
🔐 DNSSEC2052ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026071304
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
2034ms
A
31ms
MX
2035ms
AAAA
37ms
TXT
166ms
CAA
2032ms
HTTPS
4029ms
TLSA
75ms
SOA
0ms
MTA-STS
43ms
DNSSEC
2052ms
SRV
4027ms
Total
6977ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 08:45:36 738ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-18 13:28:31 2613ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-22 07:37:33 1056ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-19 05:07:49 857ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-13 10:23:18 6977ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-24 18:22:05 2217ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 04:50:38 2580ms 2 NS 1 A 4 MX 🔒 Secure View
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