a4.dk
📜 Historical scan 2026-06-16 12:38:56  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   50ms
NameserverIP addressesPTRASN / ISP
ns1.digitalocean.com
ns2.digitalocean.com
ns3.digitalocean.com
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
76.76.21.21 AS16509 Amazon.com, Inc. 76.76.21.0/24 🇺🇸 United States
📧 MX Records4 records   84ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   496ms
TXT Record
MS=ms62243683
v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net ip4:89.221.165.18/28 ~all
✉️ SPF
PolicyRecord (a4.dk)
~all (soft fail) v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net ip4:89.221.165.18/28 ~all
📨 DMARC
PolicyRecord (_dmarc.a4.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100;
📬 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 / DANE8 records   84ms
Service / OwnerTypeCert association
SMTP _25._tcp.dk.mx1.mailanyone.net DANE-EE · Full cert · SHA-256 443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx1.mailanyone.net DANE-EE · Full cert · SHA-256 1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net DANE-EE · Full cert · SHA-256 1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net DANE-EE · Full cert · SHA-256 443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx3.mailanyone.net DANE-EE · Full cert · SHA-256 1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx3.mailanyone.net DANE-EE · Full cert · SHA-256 443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx4.mx25.net DANE-EE · Full cert · SHA-256 1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx4.mx25.net DANE-EE · Full cert · SHA-256 443DFE296DAC92DD311766BAD0B04CC7…
🔐 DNSSEC137ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA79ms
FieldValue
Serial0
Primary NS (MNAME)ns1.digitalocean.com
Responsible (RNAME)hostmaster@a4.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
50ms
A
51ms
MX
84ms
AAAA
172ms
TXT
496ms
CAA
70ms
HTTPS
71ms
TLSA
84ms
SOA
79ms
MTA-STS
52ms
DNSSEC
137ms
SRV
0ms
Total
1234ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 12:24:05 1468ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-07-11 22:36:55 1480ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-07-08 13:04:23 32841ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-26 02:35:24 4534ms 3 NS 1 A 4 MX 🔓 Insecure View
2026-06-24 10:43:23 1132ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 12:38:56 1234ms 3 NS 1 A 4 MX 🔓 Insecure View
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