ismester.dk
Last scanned: 2026-08-30 15:30:08  ·  1634ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   112ms
NameserverIP addressesPTRASN / ISP
ns.efif.dk 195.254.168.23 ns.efif.dk AS51073 Aarhus Business College
ns2.efif.dk 195.254.168.12 ns2.efif.dk AS51073 Aarhus Business College
ns3.efif.dk 20.23.170.35 — AS8075 Microsoft Corporation
🌍 A Records1 records   130ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.254.168.52 86400s cphbusiness.dk
ek.dk
keanet.dk
kompetence.kea.dk
redirect.efif.dk		 AS51073 Aarhus Business College 195.254.168.0/23 🇩🇰 Denmark Aarhus
📧 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 Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC282ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2016011024
Primary NS (MNAME)ns.efif.dk
Responsible (RNAME)dns-zc@efif.dk
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
112ms
A
130ms
MX
119ms
AAAA
158ms
TXT
379ms
CAA
149ms
HTTPS
155ms
TLSA
154ms
SOA
0ms
MTA-STS
169ms
DNSSEC
282ms
SRV
188ms
Total
1634ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 15:30:08 1634ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-27 21:53:34 484ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-25 04:25:38 1901ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-21 01:31:06 6454ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-19 00:44:28 5517ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-17 21:47:41 2277ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-12 12:34:34 2228ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-08 07:08:09 2531ms 3 NS 1 A 0 MX 🔒 Secure View
2026-08-03 17:59:18 3197ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-31 23:34:10 4644ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-27 01:18:46 2137ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-23 19:04:39 4568ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-22 18:19:43 8700ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-21 03:01:15 2118ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-19 18:44:16 13511ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-17 05:22:43 2439ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-13 08:03:26 2430ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-09 00:19:48 535ms 3 NS 1 A 0 MX 🔒 Secure View
2026-07-04 18:47:11 628ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-29 12:02:17 459ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-28 00:03:43 414ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-17 13:36:09 548ms 3 NS 1 A 0 MX 🔒 Secure View
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