executivelearning.dk
Last scanned: 2026-09-03 15:52:00  ·  323ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   33ms
NameserverIP addressesPTRASN / ISP
ns1.cbs.dk 130.226.47.250 ns1.cbs.dk AS1835 IDDQD-AS
ns2.cbs.dk 130.226.47.251 ns2.cbs.dk AS1835 IDDQD-AS
🌍 A Records
🌍
No A records found
📧 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   77ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (executivelearning.dk)
-all (hard fail) v=spf1 -all
📨 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)
🔐 DNSSEC95ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2017113146
Primary NS (MNAME)ns1.cbs.dk
Responsible (RNAME)DNS@cbs.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
33ms
A
25ms
MX
31ms
AAAA
25ms
TXT
77ms
CAA
27ms
HTTPS
24ms
TLSA
15ms
SOA
0ms
MTA-STS
32ms
DNSSEC
95ms
SRV
29ms
Total
323ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 15:52:00 323ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-25 07:31:21 593ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-17 08:05:02 945ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-07 06:24:13 465ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-29 10:26:16 476ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-20 12:08:31 8501ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-15 11:23:28 2363ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-02 10:25:31 2722ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-25 10:55:32 526ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-23 02:36:05 437ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-22 22:42:13 1184ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 09:09:05 1269ms 2 NS 0 A 0 MX 🔒 Secure View
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