businessschool.dk
Last scanned: 2026-08-25 09:57:27  ·  8379ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   43ms
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 Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
130.226.47.135 86400s ilex.cbs.dk AS1835 IDDQD-AS 130.226.0.0/16 🇩🇰 Denmark Frederiksberg
📧 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   288ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (businessschool.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)
🔐 DNSSEC127ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2017113106
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
43ms
A
51ms
MX
46ms
AAAA
40ms
TXT
288ms
CAA
42ms
HTTPS
42ms
TLSA
78ms
SOA
0ms
MTA-STS
54ms
DNSSEC
127ms
SRV
8065ms
Total
8379ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 09:57:27 8379ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-22 05:19:58 7459ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-16 02:31:35 614ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-14 20:52:54 2424ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-07 17:12:17 498ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-31 14:47:31 938ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-26 23:39:59 16504ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-21 06:28:53 630ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-18 23:05:23 8507ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-15 19:45:02 8514ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-08 20:04:46 861ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-03 12:06:51 3272ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-23 17:27:26 509ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-21 00:41:51 884ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 17:50:24 447ms 2 NS 1 A 0 MX 🔒 Secure View
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