darkhorse-it.dk
Last scanned: 2026-08-26 03:32:06  ·  832ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   53ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records
🌍
No A records found
📧 MX Records2 records   52ms
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
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   162ms
TXT Record
protonmail-verification=2881bf12715dc9d6b8ac05daf744ba6c61ca4299
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (darkhorse-it.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.darkhorse-it.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   188ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
🔐 DNSSEC102ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2024051503
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
53ms
A
54ms
MX
52ms
AAAA
45ms
TXT
162ms
CAA
78ms
HTTPS
48ms
TLSA
188ms
SOA
0ms
MTA-STS
55ms
DNSSEC
102ms
SRV
78ms
Total
832ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 03:32:06 832ms 3 NS 0 A 2 MX 🔒 Secure View
2026-06-24 15:14:06 679ms 3 NS 0 A 2 MX 🔒 Secure View
2026-06-20 01:32:57 1642ms 3 NS 0 A 2 MX 🔒 Secure View
2026-06-17 02:55:05 49365ms 3 NS 0 A 2 MX 🔒 Secure View
2026-06-17 01:19:28 2132ms 3 NS 0 A 2 MX 🔒 Secure View
2026-06-17 01:09:11 520ms 3 NS 0 A 2 MX 🔒 Secure View
2026-06-17 01:01:35 656ms 3 NS 0 A 2 MX 🔒 Secure View
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