toughbook.dk
📜 Historical scan 2026-06-22 18:13:22  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   44ms
NameserverIP addressesPTRASN / ISP
ha1.markmonitor.zone 192.174.68.5
2001:67c:1bc::5		 ha1.markmonitor.zone
ha1.markmonitor.zone		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
ha2.markmonitor.zone 162.219.54.170
2620:10a:80eb::6b		 ha2.markmonitor.zone
ha2.markmonitor.zone		 AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ha3.markmonitor.zone 176.97.158.5
2001:67c:10b8::5		 ha3.markmonitor.zone
ha3.markmonitor.zone		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
ha4.markmonitor.zone 162.219.55.170
2620:10a:80ec::6b		 ha4.markmonitor.zone
ha4.markmonitor.zone		 AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
🌍 A Records3 records   88ms
IPTTLPTRASNISP / OrgCIDRCountryCity
52.51.220.11 21600s ec2-52-51-220-11.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 52.48.0.0/14 🇮🇪 Ireland Dublin
54.228.95.51 21600s ec2-54-228-95-51.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 54.228.0.0/14 🇮🇪 Ireland Dublin
54.77.49.234 21600s ec2-54-77-49-234.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 54.64.0.0/12 🇮🇪 Ireland Dublin
📧 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)
🔐 DNSSEC87ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA39ms
FieldValue
Serial2026052801
Primary NS (MNAME)ha1.markmonitor.zone
Responsible (RNAME)hostmaster@markmonitor.com
Refresh3600s
Retry600s
Expire604800s
Minimum (neg-cache TTL)172800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
44ms
A
88ms
MX
53ms
AAAA
71ms
TXT
225ms
CAA
55ms
HTTPS
57ms
TLSA
90ms
SOA
39ms
MTA-STS
87ms
DNSSEC
87ms
SRV
120ms
Total
809ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 08:40:09 9605ms 4 NS 3 A 0 MX 🔓 Insecure View
2026-06-27 03:09:58 916ms 4 NS 3 A 0 MX 🔓 Insecure View
2026-06-22 18:13:22 809ms 4 NS 3 A 0 MX 🔓 Insecure View
2026-06-20 04:59:49 1176ms 4 NS 3 A 0 MX 🔓 Insecure View
2026-06-17 19:49:14 750ms 4 NS 3 A 0 MX 🔓 Insecure View
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