mark3.dk
📜 Historical scan 2026-08-12 13:47:04  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   60ms
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   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.91 3600s webcluster1.webpod16-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records3 records   79ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod5-cph3.one.com 185.164.14.54 mx1.pub.mailpod5-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod5-cph3.one.com 185.164.14.55 mx2.pub.mailpod5-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod5-cph3.one.com 185.164.14.56 mx3.pub.mailpod5-cph3.one.com AS51468 One.com A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.30.215.91
🔶 Autoconfig46.30.215.91
🔷 AAAA Records (IPv6)1 records   51ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:111:df:ad97:6555:5a1c 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 Records1 records   235ms
TXT Record
v=spf1 include:_custspf.one.com ~all
✉️ SPF
PolicyRecord (mark3.dk)
~all (soft fail) v=spf1 include:_custspf.one.com ~all
📨 DMARC
PolicyRecord (_dmarc.mark3.dk)
p=reject v=DMARC1; p=reject
📬 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   98ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 63EF463E384F266BA4F41EE149A2C594…
SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 63EF463E384F266BA4F41EE149A2C594…
SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 63EF463E384F266BA4F41EE149A2C594…
🔐 DNSSEC128ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080613
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
60ms
A
51ms
MX
79ms
AAAA
51ms
TXT
235ms
CAA
46ms
HTTPS
53ms
TLSA
98ms
SOA
0ms
MTA-STS
98ms
DNSSEC
128ms
SRV
99ms
Total
1286ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 04:40:42 885ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-19 15:29:17 32713ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-12 13:47:04 1286ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-07 21:50:42 1021ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-21 03:50:54 2779ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 15:14:18 1135ms 2 NS 1 A 3 MX 🔒 Secure View
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