itjohn.dk
Last scanned: 2026-06-17 13:29:58  ·  1915ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   141ms
🌍 A Records1 records   132ms
📧 MX Records1 records   129ms
PriorityTTLMail ServerIP addressesPTRASN
10 mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   305ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (itjohn.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.itjohn.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
📬 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 / DANE2 records   245ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
🔐 DNSSEC291ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA132ms
FieldValue
Serial2025021101
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
141ms
A
132ms
MX
129ms
AAAA
111ms
TXT
305ms
CAA
129ms
HTTPS
113ms
TLSA
245ms
SOA
132ms
MTA-STS
185ms
DNSSEC
291ms
SRV
0ms
Total
1915ms
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