00x.dk
📜 Historical scan 2026-06-16 12:33:29  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   101ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com
ns2.simply.com
ns3.simply.com
🌍 A Records1 records   95ms
📧 MX Records3 records   102ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   223ms
TXT Record
v=spf1 include:mailgun.org ~all
v=spf1 include:spf.simply.com -all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (00x.dk)
~all (soft fail) v=spf1 include:mailgun.org ~all
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.00x.dk)
p=reject v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:ff401070@dmarc.mailgun.org,mailto:17463e48@inbox.ondmarc.com,mailto:dmarc@robot.simply.com; ruf=mailto:ff401070@dmarc.mailgun.org,mailto:17463e48@inbox.ondmarc.com,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   164ms
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…
🔐 DNSSEC261ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA90ms
FieldValue
Serial2025101503
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
101ms
A
95ms
MX
102ms
AAAA
95ms
TXT
223ms
CAA
102ms
HTTPS
97ms
TLSA
164ms
SOA
90ms
MTA-STS
68ms
DNSSEC
261ms
SRV
0ms
Total
1805ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:06:48 912ms 3 NS 1 A 3 MX 🔒 Secure View
2026-08-24 14:41:00 1035ms 3 NS 1 A 3 MX 🔒 Secure View
2026-08-24 14:14:13 1201ms 3 NS 1 A 3 MX 🔒 Secure View
2026-06-16 12:33:29 1805ms 3 NS 1 A 3 MX 🔒 Secure View
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