opsec.dk
Last scanned: 2026-08-14 10:52:58  ·  1762ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   34ms
🌍 A Records2 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.92.68 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.187.162 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records3 records   49ms
🔷 AAAA Records (IPv6)2 records   50ms
🔐 HTTPS Records1 records   48ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.92.68,172.67.187.162 ech=AEX+DQBBoQAgACB7dMLGHSR3+f1U6yxzl+0R/RHMvYQs/6GnwnnPOJWXXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:bba2,2606:4700:3037::6815:5c44
📝 TXT Records1 records   193ms
TXT Record
v=spf1 include:_spf.mx.cloudflare.net -all
✉️ SPF
PolicyRecord (opsec.dk)
-all (hard fail) v=spf1 include:_spf.mx.cloudflare.net -all
📨 DMARC
PolicyRecord (_dmarc.opsec.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:3ae8304cfdae42bd8d35d78d5fb4b9a3@dmarc-reports.cloudflare.net
📬 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   113ms
Service / OwnerTypeCert association
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.route1.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.route2.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
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…
🔐 DNSSEC80ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2412092630
Primary NS (MNAME)dee.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
34ms
A
42ms
MX
49ms
AAAA
50ms
TXT
193ms
CAA
52ms
HTTPS
48ms
TLSA
113ms
SOA
0ms
MTA-STS
66ms
DNSSEC
80ms
SRV
81ms
Total
1762ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-14 10:52:58 1762ms 2 NS 2 A 3 MX 🔒 Secure View
2026-08-10 14:25:29 10953ms 2 NS 2 A 3 MX 🔒 Secure View
2026-08-09 13:48:50 1900ms 2 NS 2 A 3 MX 🔒 Secure View
2026-07-17 06:02:36 1818ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-27 16:06:26 2752ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-25 21:45:47 2535ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-20 07:55:34 1205ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-18 08:56:14 2092ms 2 NS 2 A 3 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone