techguidehub.dk
📜 Historical scan 2026-06-21 19:47:57  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   146ms
🌍 A Records2 records   140ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.33.56 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.159.27 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records3 records   145ms
🔷 AAAA Records (IPv6)2 records   209ms
🔐 HTTPS Records1 records   240ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.33.56,172.67.159.27 ech=AEX+DQBBTwAgACDY1d6uk2lom9OzZNGDQrENlQ8F8/qr4fAVPy9RfUR4cwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9f1b,2606:4700:3036::6815:2138
📝 TXT Records1 records   706ms
TXT Record
v=spf1 include:_spf.mx.cloudflare.net include:amazonses.com -all
✉️ SPF
PolicyRecord (techguidehub.dk)
-all (hard fail) v=spf1 include:_spf.mx.cloudflare.net include:amazonses.com -all
📨 DMARC
PolicyRecord (_dmarc.techguidehub.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:00d5b9a37a354070954916fd6a76b4d2@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   464ms
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-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
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 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…
🔐 DNSSEC726ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA162ms
FieldValue
Serial2405493462
Primary NS (MNAME)aragorn.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
146ms
A
140ms
MX
145ms
AAAA
209ms
TXT
706ms
CAA
158ms
HTTPS
240ms
TLSA
464ms
SOA
162ms
MTA-STS
221ms
DNSSEC
726ms
SRV
1068ms
Total
10242ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-23 15:07:13 2429ms 2 NS 2 A 3 MX 🔒 Secure View
2026-08-10 11:39:52 3331ms 2 NS 2 A 3 MX 🔒 Secure View
2026-07-25 10:54:47 2044ms 2 NS 2 A 3 MX 🔒 Secure View
2026-07-23 09:27:58 10574ms 2 NS 2 A 3 MX 🔒 Secure View
2026-07-16 08:57:37 1859ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-22 20:48:50 3001ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-21 19:47:57 10242ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-21 19:27:40 974ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 05:18:28 1235ms 2 NS 2 A 3 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone