feddersen.dk
📜 Historical scan 2026-06-17 09:43:11  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   69ms
NameserverIP addressesPTRASN / ISP
ns01.one.com
ns02.one.com
🌍 A Records1 records   60ms
📧 MX Records4 records   69ms
🔷 AAAA Records (IPv6)1 records   61ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:2e:214:f328:4e85 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   87ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
🔐 DNSSEC171ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA56ms
FieldValue
Serial2026060801
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
69ms
A
60ms
MX
69ms
AAAA
61ms
TXT
232ms
CAA
61ms
HTTPS
56ms
TLSA
87ms
SOA
56ms
MTA-STS
33ms
DNSSEC
171ms
SRV
0ms
Total
974ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 01:48:10 1026ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-20 09:11:51 17237ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-22 01:00:34 1642ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-01 00:20:27 822ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-28 04:05:49 1593ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-26 13:32:57 849ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 21:23:20 2992ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 09:43:11 974ms 2 NS 1 A 4 MX 🔒 Secure View
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