constructa.dk
📜 Historical scan 2026-06-16 22:06:33  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   39ms
NameserverIP addressesPTRASN / ISP
aliza.ns.cloudflare.com — — —
pranab.ns.cloudflare.com — — —
🌍 A Records2 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.35.16 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.167.178 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   30ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::ac43:a7b2 — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
2606:4700:3036::6815:2310 — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
🔐 HTTPS Records1 records   38ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.35.16,172.67.167.178 ech=AEX+DQBBAgAgACDurI0kjS+pgI4tREFXZNZReDzCEtZ7GTrS4X0Uec/8AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a7b2,2606:4700:3036::6815:2310
📝 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC109ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA31ms
FieldValue
Serial2406473616
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
39ms
A
29ms
MX
30ms
AAAA
30ms
TXT
149ms
CAA
29ms
HTTPS
38ms
TLSA
56ms
SOA
31ms
MTA-STS
57ms
DNSSEC
109ms
SRV
0ms
Total
457ms
🕐 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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