defops.dk
📜 Historical scan 2026-06-17 01:54:32  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   267ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   205ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.92.140.50 — — AS61098 Akenes SA 91.92.140.0/22 🇨🇭 Switzerland Zurich
📧 MX Records2 records   156ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 — mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   403ms
TXT Record
protonmail-verification=73e04e348e3db13e33f066406a1578822c12004b
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (defops.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 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   339ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
🔐 DNSSEC414ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA248ms
FieldValue
Serial2026061001
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
267ms
A
205ms
MX
156ms
AAAA
253ms
TXT
403ms
CAA
221ms
HTTPS
271ms
TLSA
339ms
SOA
248ms
MTA-STS
288ms
DNSSEC
414ms
SRV
0ms
Total
2412ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 03:48:54 826ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-26 23:17:59 935ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-10 13:11:50 1132ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-11 07:26:22 1274ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-23 23:54:11 780ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-19 16:44:44 2534ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 01:54:32 2412ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 01:31:16 878ms 2 NS 1 A 2 MX 🔒 Secure View
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