findkursus.dk
Last scanned: 2026-08-27 22:20:48  ·  3159ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   52ms
NameserverIP addressesPTRASN / ISP
ns-1310.awsdns-35.org 205.251.197.30
2600:9000:5305:1e00::1		 ns-1310.awsdns-35.org
ns-1310.awsdns-35.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1744.awsdns-26.co.uk 205.251.198.208
2600:9000:5306:d000::1		 ns-1744.awsdns-26.co.uk
ns-1744.awsdns-26.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-5.awsdns-00.com 205.251.192.5
2600:9000:5300:500::1		 ns-5.awsdns-00.com
ns-5.awsdns-00.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-933.awsdns-52.net 205.251.195.165
2600:9000:5303:a500::1		 ns-933.awsdns-52.net
ns-933.awsdns-52.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records3 records   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
34.252.99.16 60s ec2-34-252-99-16.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 34.240.0.0/12 🇮🇪 Ireland Dublin
52.51.61.51 60s ec2-52-51-61-51.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 52.48.0.0/14 🇮🇪 Ireland Dublin
54.77.221.0 60s ec2-54-77-221-0.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 54.64.0.0/12 🇮🇪 Ireland Dublin
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover52.51.61.51
🔶 Autoconfig54.77.221.0
🔷 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)
🔐 DNSSEC82ms
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-933.awsdns-52.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
52ms
A
44ms
MX
52ms
AAAA
46ms
TXT
271ms
CAA
59ms
HTTPS
51ms
TLSA
119ms
SOA
0ms
MTA-STS
81ms
DNSSEC
82ms
SRV
177ms
Total
3159ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 22:20:48 3159ms 4 NS 3 A 0 MX 🔓 Insecure View
2026-08-25 19:55:08 1807ms 4 NS 3 A 0 MX 🔓 Insecure View
2026-06-25 16:25:45 1023ms 4 NS 3 A 0 MX 🔓 Insecure View
2026-06-17 09:36:51 642ms 4 NS 3 A 0 MX 🔓 Insecure View
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