clasus.dk
Last scanned: 2026-08-26 12:07:23  ·  640ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   33ms
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   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.75 3600s webcluster1.webpod16-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records4 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod11-cph3.one.com 104.37.34.230 mx1.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod11-cph3.one.com 104.37.34.231 mx2.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod11-cph3.one.com 104.37.34.232 mx3.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod11-cph3.one.com 104.37.34.233 mx4.pub.mailpod11-cph3.one.com AS51468 One.com A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.30.215.75
🔶 Autoconfig46.30.215.75
🔷 AAAA Records (IPv6)1 records   28ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:111:58:bb00:10b7:7355 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 / DANE4 records   90ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 068A81EDC98C58D5D494EDF2924D5F50…
🔐 DNSSEC96ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082502
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-08-26 12:08:15
FieldValue
RegistrarONE.COM A/S
Registered2008-03-19
Expires2027-03-31 (209d)
📋 WHOIS
⏱️ Lookup Timing
NS
33ms
A
29ms
MX
33ms
AAAA
28ms
TXT
132ms
CAA
23ms
HTTPS
31ms
TLSA
90ms
SOA
0ms
MTA-STS
47ms
DNSSEC
96ms
SRV
57ms
Total
640ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 12:07:23 640ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-25 10:21:33 2428ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-19 23:50:34 2970ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-28 13:48:51 612ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-25 15:43:16 911ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-24 01:04:47 3140ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-23 13:32:58 1122ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 23:05:34 1174ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 11:42:49 675ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 21:06:14 701ms 2 NS 1 A 4 MX 🔒 Secure View
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