undersogelse.dk
📜 Historical scan 2026-06-28 20:09:31  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
🌍 A Records2 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.6.179 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.135.23 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records3 records   43ms
🔷 AAAA Records (IPv6)2 records   38ms
🔐 HTTPS Records1 records   47ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.6.179,172.67.135.23 ech=AEX+DQBB+wAgACDfNj0YRKJr4DYWks5qn/EN9d3umaFGYNofRG0PZwq3QgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:6b3,2606:4700:3031::ac43:8717
📝 TXT Records1 records   178ms
TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all
✉️ SPF
PolicyRecord (undersogelse.dk)
~all (soft fail) v=spf1 include:_spf.mx.cloudflare.net ~all
📨 DMARC
PolicyRecord (_dmarc.undersogelse.dk)
p=reject v=DMARC1; p=reject;
📬 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-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
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.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.route2.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
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…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
🔐 DNSSEC68ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA37ms
FieldValue
Serial2406790506
Primary NS (MNAME)dawn.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
32ms
A
39ms
MX
43ms
AAAA
38ms
TXT
178ms
CAA
33ms
HTTPS
47ms
TLSA
56ms
SOA
37ms
MTA-STS
50ms
DNSSEC
68ms
SRV
62ms
Total
1096ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 05:32:11 1177ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-08-11 08:47:17 12052ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-08-10 06:00:14 2041ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-29 19:20:40 1228ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-28 20:09:31 1096ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-26 09:09:16 2632ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-19 17:10:23 920ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-17 17:35:24 2463ms 2 NS 2 A 3 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone