concern.dk
📜 Historical scan 2026-06-16 22:11:37  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   171ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   165ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 — one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records4 records   143ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.pub.mailpod10-cph3.one.com 104.37.34.70 mx1.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 — mx2.pub.mailpod10-cph3.one.com 104.37.34.71 mx2.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 — mx3.pub.mailpod10-cph3.one.com 104.37.34.72 mx3.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 — mx4.pub.mailpod10-cph3.one.com 104.37.34.73 mx4.pub.mailpod10-cph3.one.com AS51468 One.com A/S
🔷 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 / DANE4 records   544ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…
🔐 DNSSEC314ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA172ms
FieldValue
Serial2026060404
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
171ms
A
165ms
MX
143ms
AAAA
171ms
TXT
320ms
CAA
146ms
HTTPS
120ms
TLSA
544ms
SOA
172ms
MTA-STS
171ms
DNSSEC
314ms
SRV
0ms
Total
2587ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 00:18:06 1045ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-05 15:09:07 997ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-01 00:59:07 706ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 23:58:35 65535ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 22:11:37 2587ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 22:05:48 612ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 22:01:33 729ms 2 NS 1 A 4 MX 🔒 Secure View
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