sternstewartinstitute.dk
Last scanned: 2026-08-28 08:05:45  ·  2505ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   76ms
NameserverIP addressesPTRASN / ISP
ns1.antagus.de 195.191.92.10
2001:67c:2394:1::1001		 ns1.antagus.de
ns1.antagus.de		 AS57115 Vautron Rechenzentrum AG
AS25504 Vautron Rechenzentrum AG
ns2.antagus.de 195.191.93.10
2001:67c:2394:3::1001		 ns2.antagus.de
ns2.antagus.de		 AS57115 Vautron Rechenzentrum AG
AS25504 Vautron Rechenzentrum AG
🌍 A Records1 records   2065ms
IPTTLPTRASNISP / OrgCIDRCountryCity
20.52.134.181 3599s — AS8075 Microsoft Corporation 20.48.0.0/12 🇩🇪 Germany Frankfurt am Main
📧 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)
🔐 DNSSEC230ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1675864285
Primary NS (MNAME)ns1.antagus.de
Responsible (RNAME)root@ns1.antagus.de
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
76ms
A
2065ms
MX
88ms
AAAA
90ms
TXT
424ms
CAA
106ms
HTTPS
69ms
TLSA
78ms
SOA
0ms
MTA-STS
181ms
DNSSEC
230ms
SRV
148ms
Total
2505ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 08:05:45 2505ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-26 13:09:38 1513ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 03:17:59 1062ms 2 NS 1 A 0 MX 🔓 Insecure View
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