fail.dk
📜 Historical scan 2026-07-28 17:43:17  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   30ms
🌍 A Records2 records   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.15.58 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.161.188 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records3 records   40ms
🔷 AAAA Records (IPv6)2 records   31ms
🔐 HTTPS Records1 records   32ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.15.58,172.67.161.188 ech=AEX+DQBB7wAgACAkVneg6C9fMxWTdJpA5y0WrXiL0iqyjYiGomNFNE1sSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:f3a,2606:4700:3037::ac43:a1bc
📝 TXT Records1 records   180ms
TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all
✉️ SPF
PolicyRecord (fail.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 / DANE9 records   56ms
Service / OwnerTypeCert association
SMTP _25._tcp.route1.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
🔐 DNSSEC75ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2410684534
Primary NS (MNAME)beth.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
30ms
A
36ms
MX
40ms
AAAA
31ms
TXT
180ms
CAA
38ms
HTTPS
32ms
TLSA
56ms
SOA
0ms
MTA-STS
47ms
DNSSEC
75ms
SRV
2027ms
Total
3563ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 23:55:29 775ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-08-26 23:26:02 10610ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-07-28 17:43:17 3563ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-07-27 13:20:22 17069ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-07-01 04:09:54 1974ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-21 00:11:55 1521ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-20 15:57:30 1178ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 09:11:39 1800ms 2 NS 2 A 3 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone