523.dk
Last scanned: 2026-08-31 23:34:23  ·  536ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   30ms
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   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.213.161 3600s webcluster2.webpod14-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records3 records   24ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod8-cph3.one.com 185.164.14.102 mx1.pub.mailpod8-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod8-cph3.one.com 185.164.14.103 mx2.pub.mailpod8-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod8-cph3.one.com 185.164.14.104 mx3.pub.mailpod8-cph3.one.com AS51468 One.com A/S
🔷 AAAA Records (IPv6)1 records   28ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10c:8008:318a:657f:e999 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 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   59ms
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…
🔐 DNSSEC97ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083001
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
30ms
A
32ms
MX
24ms
AAAA
28ms
TXT
113ms
CAA
38ms
HTTPS
31ms
TLSA
59ms
SOA
0ms
MTA-STS
41ms
DNSSEC
97ms
SRV
37ms
Total
536ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 23:34:23 536ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-27 17:42:51 778ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-23 02:40:24 5226ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-07 05:42:40 2036ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-01 21:03:43 737ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-29 04:24:27 746ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-26 09:48:08 568ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-16 12:56:32 2011ms 2 NS 1 A 3 MX 🔒 Secure View
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