a4ddev.dk
📜 Historical scan 2026-06-16 12:53:26  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   58ms
NameserverIP addressesPTRASN / ISP
emea.excedodns.eu — — —
global.excedodns.com — — —
nordic.excedodns.net — — —
sto.excedodns.se — — —
world.excedodns.org — — —
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   281ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (a4ddev.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.a4ddev.dk)
p=reject v=DMARC1; p=reject; rua=mailto:luzbtthm@ag.eu.dmarcadvisor.com;
📬 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)
🔐 DNSSEC165ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA64ms
FieldValue
Serial1773303060
Primary NS (MNAME)global.excedodns.com
Responsible (RNAME)hostmaster@excedo.se
Refresh3600s
Retry900s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
58ms
A
55ms
MX
63ms
AAAA
64ms
TXT
281ms
CAA
50ms
HTTPS
67ms
TLSA
95ms
SOA
64ms
MTA-STS
119ms
DNSSEC
165ms
SRV
0ms
Total
759ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:37:31 768ms 5 NS 0 A 0 MX 🔓 Insecure View
2026-06-28 23:02:34 777ms 5 NS 0 A 0 MX 🔓 Insecure View
2026-06-28 05:14:42 1776ms 5 NS 0 A 0 MX 🔓 Insecure View
2026-06-24 21:32:12 789ms 5 NS 0 A 0 MX 🔓 Insecure View
2026-06-23 20:12:42 718ms 5 NS 0 A 0 MX 🔓 Insecure View
2026-06-20 18:55:38 778ms 5 NS 0 A 0 MX 🔓 Insecure View
2026-06-19 22:33:04 787ms 5 NS 0 A 0 MX 🔓 Insecure View
2026-06-16 12:53:26 759ms 5 NS 0 A 0 MX 🔓 Insecure View
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