sustainablesystems.dk
Last scanned: 2026-08-26 12:48:27  ·  859ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   61ms
NameserverIP addressesPTRASN / ISP
ns1.a2hosting.com 13.248.158.180 a79764cc55c0ac9c0.awsglobalaccelerator.com AS16509 Amazon.com, Inc.
ns2.a2hosting.com 75.2.118.134 abc65dd9a44b5332f.awsglobalaccelerator.com AS16509 Amazon.com, Inc.
ns3.a2hosting.com 76.223.26.245 a79764cc55c0ac9c0.awsglobalaccelerator.com AS16509 Amazon.com, Inc.
ns4.a2hosting.com 99.83.147.209 abc65dd9a44b5332f.awsglobalaccelerator.com AS16509 Amazon.com, Inc.
🌍 A Records1 records   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.187.147.62 14400s 85.187.147.62.static.a2webhosting.com AS55293 A2 Hosting, Inc. 85.187.144.0/21 🇺🇸 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)
🔐 DNSSEC106ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026042900
Primary NS (MNAME)ns1.a2hosting.com
Responsible (RNAME)root@az1-ss10.a2hosting.com
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
61ms
A
68ms
MX
44ms
AAAA
57ms
TXT
308ms
CAA
69ms
HTTPS
69ms
TLSA
274ms
SOA
0ms
MTA-STS
97ms
DNSSEC
106ms
SRV
100ms
Total
859ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 12:48:27 859ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 06:28:52 1573ms 4 NS 1 A 0 MX 🔓 Insecure View
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