fdev.dk
Last scanned: 2026-06-23 20:29:51  ·  963ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   79ms
NameserverIP addressesPTRASN / ISP
ns-1483.awsdns-57.org 205.251.197.203
2600:9000:5305:cb00::1		 ns-1483.awsdns-57.org
ns-1483.awsdns-57.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1670.awsdns-16.co.uk 205.251.198.134
2600:9000:5306:8600::1		 ns-1670.awsdns-16.co.uk
ns-1670.awsdns-16.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-308.awsdns-38.com 205.251.193.52
2600:9000:5301:3400::1		 ns-308.awsdns-38.com
ns-308.awsdns-38.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-942.awsdns-53.net 205.251.195.174
2600:9000:5303:ae00::1		 ns-942.awsdns-53.net
ns-942.awsdns-53.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records1 records   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.93.147.151 120s — AS29468 Infracom Managed Services AB 81.93.128.0/19 🇸🇪 Sweden —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover81.93.147.151
🔶 Autoconfig81.93.147.151
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 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)
🔐 DNSSEC215ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA71ms
FieldValue
Serial1
Primary NS (MNAME)ns-1483.awsdns-57.org
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
79ms
A
62ms
MX
67ms
AAAA
59ms
TXT
196ms
CAA
70ms
HTTPS
71ms
TLSA
48ms
SOA
71ms
MTA-STS
58ms
DNSSEC
215ms
SRV
309ms
Total
963ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-23 20:29:51 963ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-22 20:26:45 996ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 09:41:30 875ms 4 NS 1 A 0 MX 🔓 Insecure View
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