houborg.dk
Last scanned: 2026-08-09 18:35:27  ·  2118ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   45ms
🌍 A Records2 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.21.155 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.199.84 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records3 records   49ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.21.155
🔶 Autoconfig104.21.21.155
🔷 AAAA Records (IPv6)2 records   46ms
🔐 HTTPS Records1 records   50ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.21.155,172.67.199.84 ech=AEX+DQBBXAAgACBfsCYc2v1KH8rbYd0hR5bWHhwKBJSEepxccs7qi1FiFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:159b,2606:4700:3034::ac43:c754
📝 TXT Records1 records   199ms
TXT Record
v=spf1 include:_spf.google.com include:_spf.mx.cloudflare.net ~all
✉️ SPF
PolicyRecord (houborg.dk)
~all (soft fail) v=spf1 include:_spf.google.com 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   109ms
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 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
🔐 DNSSEC89ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2411613211
Primary NS (MNAME)angela.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
45ms
A
51ms
MX
49ms
AAAA
46ms
TXT
199ms
CAA
36ms
HTTPS
50ms
TLSA
109ms
SOA
0ms
MTA-STS
71ms
DNSSEC
89ms
SRV
72ms
Total
2118ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-09 18:35:27 2118ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-07-26 11:37:06 41611ms 2 NS 2 A 3 MX ❓ Unknown View
2026-07-21 00:59:28 2992ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-20 20:25:41 3313ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-17 15:02:37 281ms 0 NS 0 A 0 MX ❓ Unknown View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone