guldkortet.dk
Last scanned: 2026-08-27 00:25:01  ·  1317ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   68ms
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   71ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.20.205.73 3600s linux397.unoeuro.com AS48854 team.blue Denmark A/S 185.20.204.0/22 🇩🇰 Denmark —
📧 MX Records4 records   94ms
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
🔷 Autodiscover185.20.205.73
🔶 Autoconfig185.20.205.73
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   396ms
TXT Record
v=spf1 include:_custspf.one.com ~all
✉️ SPF
PolicyRecord (guldkortet.dk)
~all (soft fail) v=spf1 include:_custspf.one.com ~all
📨 DMARC
PolicyRecord (_dmarc.guldkortet.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:Flemming@guldkortet.dk; ruf=mailto:Flemming@guldkortet.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   172ms
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…
🔐 DNSSEC297ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082601
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
68ms
A
71ms
MX
94ms
AAAA
151ms
TXT
396ms
CAA
155ms
HTTPS
150ms
TLSA
172ms
SOA
0ms
MTA-STS
246ms
DNSSEC
297ms
SRV
203ms
Total
1317ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 00:25:01 1317ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-25 22:43:33 660ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-22 14:37:37 887ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-14 16:42:54 4896ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-22 19:30:07 8917ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-06 18:50:59 949ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-21 20:37:26 2631ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-21 15:31:46 1007ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 10:08:06 5054ms 2 NS 1 A 4 MX 🔒 Secure View
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