usgun.dk
Last scanned: 2026-08-27 05:24:26  ·  1296ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   53ms
🌍 A Records1 records   57ms
📧 MX Records7 records   72ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverghs.google.com → 216.58.201.243
🔶 Autoconfigghs.google.com → 216.58.201.243
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   230ms
TXT Record
v=spf1 include:_spf.google.com -all
✉️ SPF
PolicyRecord (usgun.dk)
-all (hard fail) v=spf1 include:_spf.google.com -all
📨 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.usgun.dk B746_iCIZQhHnkOb3rWE2MBXUSd9eWZZCFw7uNkVOAs
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC123ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026032501
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
53ms
A
57ms
MX
72ms
AAAA
38ms
TXT
230ms
CAA
64ms
HTTPS
60ms
TLSA
152ms
SOA
0ms
MTA-STS
116ms
DNSSEC
123ms
SRV
99ms
Total
1296ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 05:24:26 1296ms 2 NS 1 A 7 MX 🔒 Secure View
2026-07-03 09:08:09 1184ms 2 NS 1 A 7 MX 🔒 Secure View
2026-06-26 22:05:15 2353ms 2 NS 1 A 7 MX 🔒 Secure View
2026-06-20 06:25:02 2994ms 2 NS 1 A 7 MX 🔒 Secure View
2026-06-17 19:52:14 2936ms 2 NS 1 A 7 MX 🔒 Secure View
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