b737.dk
Last scanned: 2026-08-31 19:15:43  ·  3034ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   53ms
NameserverIP addressesPTRASN / ISP
ns-1026.awsdns-00.org 205.251.196.2
2600:9000:5304:200::1		 ns-1026.awsdns-00.org
ns-1026.awsdns-00.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1861.awsdns-40.co.uk 205.251.199.69
2600:9000:5307:4500::1		 ns-1861.awsdns-40.co.uk
ns-1861.awsdns-40.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-206.awsdns-25.com 205.251.192.206
2600:9000:5300:ce00::1		 ns-206.awsdns-25.com
ns-206.awsdns-25.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-674.awsdns-20.net 205.251.194.162
2600:9000:5302:a200::1		 ns-674.awsdns-20.net
ns-674.awsdns-20.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records1 records   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.150.142.200 300s x59968ec8.customers.hiper-net.dk AS203953 Hiper A/S 89.150.128.0/18 🇩🇰 Denmark —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover89.150.142.200
🔶 Autoconfig89.150.142.200
🔷 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)
🔐 DNSSEC104ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1
Primary NS (MNAME)ns-674.awsdns-20.net
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
53ms
A
52ms
MX
54ms
AAAA
42ms
TXT
295ms
CAA
73ms
HTTPS
74ms
TLSA
67ms
SOA
0ms
MTA-STS
88ms
DNSSEC
104ms
SRV
99ms
Total
3034ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 19:15:43 3034ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-08-26 18:19:40 5014ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-25 16:06:30 4197ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-24 05:58:30 938ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 18:12:07 912ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 18:14:36 703ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-16 13:57:10 450ms 4 NS 1 A 0 MX 🔓 Insecure View
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