fonsdal.dk
📜 Historical scan 2026-06-17 09:28:35  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   42ms
NameserverIP addressesPTRASN / ISP
ns01.one.com
ns02.one.com
🌍 A Records1 records   49ms
📧 MX Records4 records   45ms
🔷 AAAA Records (IPv6)1 records   40ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10a:32:41d5:2878:c6e AS51468 One.com A/S 2a02:2350::/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   190ms
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…
🔐 DNSSEC118ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA41ms
FieldValue
Serial2026042102
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
42ms
A
49ms
MX
45ms
AAAA
40ms
TXT
104ms
CAA
41ms
HTTPS
35ms
TLSA
190ms
SOA
41ms
MTA-STS
87ms
DNSSEC
118ms
SRV
0ms
Total
1043ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 03:10:05 705ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-20 03:59:25 4722ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-09 06:24:22 991ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-18 20:16:02 2045ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-08 23:52:26 8789ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-03 14:09:14 2641ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-25 10:33:50 2956ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 09:28:35 1043ms 2 NS 1 A 4 MX 🔒 Secure View
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