constructa.dk
📜 Historical scan 2026-08-24 03:39:19  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   92ms
🌍 A Records2 records   95ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.35.16 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.167.178 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   181ms
🔐 HTTPS Records1 records   192ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.35.16,172.67.167.178 ech=AEX+DQBBywAgACBPN5ywDnikoHkuqZfJAT5lnj+3/jUcWaKHlz2inJ2qTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2310,2606:4700:3035::ac43:a7b2
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.constructa.dk f_jDRlmW7TRh5UhEwWM2oWvoWWXF-Rk7rAa-dPTHouI
TXT _acme-challenge.constructa.dk N-hnp4kZZ6WrJYJybVg4BUPrmr3RhNSSRlGdxMPH_4Y
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC359ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2412984314
Primary NS (MNAME)aliza.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
92ms
A
95ms
MX
150ms
AAAA
181ms
TXT
530ms
CAA
152ms
HTTPS
192ms
TLSA
123ms
SOA
0ms
MTA-STS
271ms
DNSSEC
359ms
SRV
191ms
Total
3207ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 16:06:23 524ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-24 03:39:19 3207ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-21 02:55:31 9143ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-18 01:49:01 766ms 2 NS 2 A 0 MX ❓ Unknown View
2026-06-21 22:51:16 2473ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-21 13:25:08 918ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 22:06:33 457ms 2 NS 2 A 0 MX 🔓 Insecure View
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