open-access.dk
Last scanned: 2026-08-31 13:29:20  ·  1197ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   125ms
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   395ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (open-access.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)
🔐 DNSSEC385ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2017122307
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
125ms
A
110ms
MX
131ms
AAAA
151ms
TXT
395ms
CAA
121ms
HTTPS
129ms
TLSA
34ms
SOA
0ms
MTA-STS
222ms
DNSSEC
385ms
SRV
199ms
Total
1197ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 13:29:20 1197ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-27 14:23:54 815ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-26 23:29:30 2488ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-22 06:00:10 3088ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-18 02:24:14 2694ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-13 14:49:06 1554ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-09 19:50:02 2835ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-06 09:01:14 520ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-26 06:26:59 443ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-22 02:18:53 8596ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-18 07:30:18 2659ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-15 19:16:58 2803ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-08 18:34:36 666ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-03 18:34:37 388ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-30 01:51:25 432ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-25 04:38:21 415ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-22 08:00:49 379ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-21 10:08:27 1185ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 08:50:21 2410ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-19 20:27:30 439ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-18 06:34:30 401ms 2 NS 0 A 0 MX 🔒 Secure View
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