blivcater.dk
Last scanned: 2026-08-29 14:46:28  ·  1029ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   77ms
NameserverIP addressesPTRASN / ISP
ns1.esis.dk 185.19.134.2 ns1.esis.dk AS199374 Syddansk Erhvervsskole Odense-Vejle
ns2.esis.dk 185.19.134.3 ns2.esis.dk AS199374 Syddansk Erhvervsskole Odense-Vejle
🌍 A Records
🌍
No A records found
📧 MX Records1 records   107ms
PriorityTTLMail ServerIP addressesPTRASN
100 3600s mxnonexistent.blivcater.dk — — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   313ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (blivcater.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.blivcater.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r
📬 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)
🔐 DNSSEC205ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial298
Primary NS (MNAME)ns1.esis.dk
Responsible (RNAME)hostmaster
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
77ms
A
107ms
MX
107ms
AAAA
105ms
TXT
313ms
CAA
108ms
HTTPS
96ms
TLSA
96ms
SOA
0ms
MTA-STS
122ms
DNSSEC
205ms
SRV
142ms
Total
1029ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 14:46:28 1029ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-28 07:05:45 705ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-26 10:44:59 452ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-24 01:34:23 1649ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-18 09:35:35 1597ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-12 19:20:40 1369ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-10 17:12:11 1155ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-07 04:22:04 893ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-02 22:15:34 970ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-26 03:41:12 3772ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-24 00:00:57 675ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-21 07:53:32 548ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-16 18:54:11 8982ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-12 11:56:12 8824ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-07 05:01:12 1225ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-03 20:25:02 2163ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-28 06:33:25 486ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-26 19:56:49 440ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-20 11:32:35 4369ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-16 14:47:05 660ms 2 NS 0 A 1 MX 🔒 Secure View
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