resortcerts.dk
Last scanned: 2026-06-26 02:23:52  ·  4454ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   538ms
NameserverIP addressesPTRASN / ISP
dbru.br.ns.els-gms.att.net 2001:1890:1ff:9f0:68:94:156:134
68.94.156.134		 dbru.br.ns.els-gms.att.net
dbru.br.ns.els-gms.att.net		 AS7018 AT&T Enterprises, LLC
AS7018 AT&T Enterprises, LLC
dmtu.mt.ns.els-gms.att.net 2001:1890:1ff:9f1:99:99:99:134
99.99.99.134		 dmtu.mt.ns.els-gms.att.net
dmtu.mt.ns.els-gms.att.net		 AS7018 AT&T Enterprises, LLC
AS7018 AT&T Enterprises, LLC
ns3.level3.net 216.136.95.12 ns3.level3.net AS3549 Level 3 Parent, LLC
ns4.level3.net 64.132.94.251 ns4.level3.net AS3549 Level 3 Parent, LLC
🌍 A Records1 records   225ms
IPTTLPTRASNISP / OrgCIDRCountryCity
66.252.76.34 3600s — AS12223 MNJ Technology Services LLC 66.252.76.0/22 🇺🇸 United States —
📧 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 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)
🔐 DNSSEC343ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA354ms
FieldValue
Serial2018120611
Primary NS (MNAME)ns3.level3.net
Responsible (RNAME)postmaster@ns3.level3.net
Refresh86400s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
538ms
A
225ms
MX
657ms
AAAA
246ms
TXT
1870ms
CAA
230ms
HTTPS
426ms
TLSA
1562ms
SOA
354ms
MTA-STS
233ms
DNSSEC
343ms
SRV
1479ms
Total
4454ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 02:23:52 4454ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-19 18:42:35 6794ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 06:22:29 14095ms 4 NS 1 A 0 MX 🔓 Insecure View
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