simulation.dk
Last scanned: 2026-09-01 17:06:05  ·  832ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
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   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.232.69.249 43200s — — — — 🇸🇪 Sweden —
📧 MX Records2 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s 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 3600s 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
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover77.232.69.249
🔶 Autoconfig77.232.69.249
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   200ms
TXT Record
openai-domain-verification=dv-JAZ6Y8dFGsuItvEcGX3EYpWK
protonmail-verification=06b8192934dda7f7aa377a94a7cf2dbd72fb846c
v=spf1 include:_spf.protonmail.ch include:spf.mandrillapp.com ~all
✉️ SPF
PolicyRecord (simulation.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch include:spf.mandrillapp.com ~all
📨 DMARC
PolicyRecord (_dmarc.simulation.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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   151ms
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…
🔐 DNSSEC94ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026080504
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
32ms
A
36ms
MX
42ms
AAAA
47ms
TXT
200ms
CAA
54ms
HTTPS
42ms
TLSA
151ms
SOA
0ms
MTA-STS
72ms
DNSSEC
94ms
SRV
70ms
Total
832ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 17:06:05 832ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-08-06 13:29:36 6386ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 06:54:26 14159ms 2 NS 1 A 2 MX 🔓 Insecure View
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