achernar.dk
📜 Historical scan 2026-06-21 18:52:42  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   143ms
🌍 A Records2 records   141ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.5.82 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.133.51 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records3 records   261ms
🔷 AAAA Records (IPv6)2 records   138ms
🔐 HTTPS Records1 records   114ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.5.82,172.67.133.51 ech=AEX+DQBBaQAgACA4S2JBj0mL5l26whte19zVei9pUBiTi4rsFsEinzwAXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:552,2606:4700:3036::ac43:8533
📝 TXT Records1 records   476ms
TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all
✉️ SPF
PolicyRecord (achernar.dk)
~all (soft fail) v=spf1 include:_spf.mx.cloudflare.net ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC184ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2407521795
Primary NS (MNAME)bjorn.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
143ms
A
141ms
MX
261ms
AAAA
138ms
TXT
476ms
CAA
128ms
HTTPS
114ms
TLSA
297ms
SOA
0ms
MTA-STS
133ms
DNSSEC
184ms
SRV
175ms
Total
1807ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 21:56:26 1226ms 2 NS 2 A 3 MX 🔒 Secure View
2026-08-09 04:54:47 1936ms 2 NS 2 A 3 MX 🔒 Secure View
2026-08-01 07:25:47 2178ms 2 NS 2 A 3 MX 🔒 Secure View
2026-07-15 12:05:17 1751ms 2 NS 2 A 3 MX 🔒 Secure View
2026-07-03 19:25:20 1743ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-21 18:52:42 1807ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-16 12:38:01 3201ms 2 NS 2 A 3 MX 🔒 Secure View
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