kursus-portalen.dk
Last scanned: 2026-08-27 14:09:43  ·  2970ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   45ms
NameserverIP addressesPTRASN / ISP
ns-1208.awsdns-23.org 205.251.196.184
2600:9000:5304:b800::1		 ns-1208.awsdns-23.org
ns-1208.awsdns-23.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1824.awsdns-36.co.uk 205.251.199.32
2600:9000:5307:2000::1		 ns-1824.awsdns-36.co.uk
ns-1824.awsdns-36.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-41.awsdns-05.com 205.251.192.41
2600:9000:5300:2900::1		 ns-41.awsdns-05.com
ns-41.awsdns-05.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-620.awsdns-13.net 205.251.194.108
2600:9000:5302:6c00::1		 ns-620.awsdns-13.net
ns-620.awsdns-13.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records2 records   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
52.30.173.116 60s ec2-52-30-173-116.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 52.24.0.0/13 🇮🇪 Ireland Dublin
54.247.26.112 60s ec2-54-247-26-112.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 54.244.0.0/14 🇮🇪 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 Records1 records   196ms
TXT Record
v=spf1 include:spf.protection.outlook.com include:amazonses.com -all
✉️ SPF
PolicyRecord (kursus-portalen.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:amazonses.com -all
📨 DMARC
PolicyRecord (_dmarc.kursus-portalen.dk)
p=none (monitor only) v=DMARC1; p=none; ruf=mailto:dmarc-reports@denote-it.com
📬 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)
🔐 DNSSEC88ms
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-620.awsdns-13.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
45ms
A
61ms
MX
49ms
AAAA
62ms
TXT
196ms
CAA
56ms
HTTPS
53ms
TLSA
92ms
SOA
0ms
MTA-STS
89ms
DNSSEC
88ms
SRV
93ms
Total
2970ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 14:09:43 2970ms 4 NS 2 A 0 MX 🔓 Insecure View
2026-06-20 17:21:27 849ms 4 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 14:20:58 3367ms 4 NS 2 A 0 MX 🔓 Insecure View
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