constructa.dk
📜 Historical scan 2026-08-21 02:55:31  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   263ms
🌍 A Records2 records   267ms
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   290ms
🔐 HTTPS Records1 records   303ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.35.16,172.67.167.178 ech=AEX+DQBBdwAgACCeW7lte/SLNjfzkNODErevL2vKCODFU3o6T0npYL37YwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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 5t_HJshtCRlNJa1FyqLnI1REEozH3Bh5SL0E5JgMRDM
TXT _acme-challenge.constructa.dk o4riIWPqnh93X9QMV6nu0ZWw_a209ma1KvGp-_4QAYc
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC723ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2412674689
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
263ms
A
267ms
MX
277ms
AAAA
290ms
TXT
1056ms
CAA
294ms
HTTPS
303ms
TLSA
441ms
SOA
0ms
MTA-STS
500ms
DNSSEC
723ms
SRV
339ms
Total
9143ms
🕐 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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