a3printer.dk
📜 Historical scan 2026-06-24 18:59:25  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   54ms
🌍 A Records2 records   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.29.183 600s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.149.153 600s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.29.183
🔶 Autoconfig104.21.29.183
🔷 AAAA Records (IPv6)2 records   35ms
🔐 HTTPS Records1 records   39ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.29.183,172.67.149.153 ech=AEX+DQBBpwAgACDo/XZK9WMmGUCu8Y1c0FhuQkvvhv7Eh3p+EjEWTF1DbgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9599,2606:4700:3033::6815:1db7
📝 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)
🔐 DNSSEC61ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA57ms
FieldValue
Serial2406871158
Primary NS (MNAME)frank.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
54ms
A
36ms
MX
56ms
AAAA
35ms
TXT
260ms
CAA
35ms
HTTPS
39ms
TLSA
249ms
SOA
57ms
MTA-STS
42ms
DNSSEC
61ms
SRV
95ms
Total
1082ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 12:00:27 807ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-12 19:07:11 4546ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-18 17:19:37 1494ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-24 18:59:25 1082ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-22 10:13:36 773ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-16 12:40:27 501ms 2 NS 2 A 0 MX 🔓 Insecure View
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