jonascj.dk
Last scanned: 2026-08-10 10:47:24  ·  1600ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   171ms
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   187ms
IPTTLPTRASNISP / OrgCIDRCountryCity
159.69.245.229 600s yapb.in AS24940 Hetzner Online GmbH 159.69.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records2 records   185ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s 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 600s 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   318ms
TXT Record
protonmail-verification=6a8a3f1e2a0320625d9aa22e174bb780a61e04fa
v=spf1 include:_spf.protonmail.ch mx ~all
✉️ SPF
PolicyRecord (jonascj.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch mx ~all
📨 DMARC
PolicyRecord (_dmarc.jonascj.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:dmarc@jonascj.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   177ms
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 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
🔐 DNSSEC297ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080901
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
187ms
MX
185ms
AAAA
182ms
TXT
318ms
CAA
179ms
HTTPS
222ms
TLSA
177ms
SOA
0ms
MTA-STS
230ms
DNSSEC
297ms
SRV
221ms
Total
1600ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-10 10:47:24 1600ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-10 18:12:44 10256ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-02 13:39:09 2652ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-18 03:40:55 2634ms 2 NS 1 A 2 MX 🔒 Secure View
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