rt123.dk
Last scanned: 2026-08-31 11:16:13  ·  628ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
🌍 A Records1 records   48ms
📧 MX Records3 records   52ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 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
🔗 TLSA / DANE3 records   81ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com DANE-EE · SPKI · SHA-256 BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com DANE-EE · SPKI · SHA-256 BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com DANE-EE · SPKI · SHA-256 BF2BAC81D64CD548F2920A7E0ADF7907…
🔐 DNSSEC83ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082302
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
49ms
A
48ms
MX
52ms
AAAA
54ms
TXT
158ms
CAA
54ms
HTTPS
55ms
TLSA
81ms
SOA
0ms
MTA-STS
51ms
DNSSEC
83ms
SRV
62ms
Total
628ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 11:16:13 628ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-28 05:37:27 2661ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-24 05:43:07 2605ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-23 02:24:11 6257ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-02 10:34:14 1136ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-27 03:17:08 937ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 23:33:33 633ms 2 NS 1 A 3 MX 🔒 Secure View
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