tekniskgymnasiumringsted.dk
Last scanned: 2026-09-04 18:32:36  ·  444ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   23ms
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 Records2 records   27ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.159.140.127 3600s — AS13335 Cloudflare, Inc. 162.159.128.0/19 — —
172.66.0.125 3600s — AS13335 Cloudflare, Inc. 172.66.0.0/22 — —
📧 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)
🔐 DNSSEC100ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2019012513
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
23ms
A
27ms
MX
33ms
AAAA
26ms
TXT
81ms
CAA
37ms
HTTPS
34ms
TLSA
77ms
SOA
0ms
MTA-STS
36ms
DNSSEC
100ms
SRV
36ms
Total
444ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 18:32:36 444ms 3 NS 2 A 0 MX 🔒 Secure View
2026-08-30 22:56:46 488ms 3 NS 2 A 0 MX 🔒 Secure View
2026-08-27 10:41:01 401ms 3 NS 2 A 0 MX 🔒 Secure View
2026-08-26 10:38:39 467ms 3 NS 2 A 0 MX 🔒 Secure View
2026-08-24 17:22:46 4494ms 3 NS 2 A 0 MX 🔒 Secure View
2026-08-19 03:28:31 3374ms 3 NS 2 A 0 MX 🔒 Secure View
2026-08-18 02:17:49 728ms 3 NS 2 A 0 MX 🔒 Secure View
2026-08-14 03:20:51 7619ms 3 NS 2 A 0 MX 🔒 Secure View
2026-08-09 17:57:56 2551ms 3 NS 2 A 0 MX 🔒 Secure View
2026-08-01 07:17:02 3848ms 3 NS 2 A 0 MX 🔒 Secure View
2026-07-27 06:13:12 2484ms 3 NS 2 A 0 MX 🔒 Secure View
2026-07-24 05:04:35 4471ms 3 NS 2 A 0 MX 🔒 Secure View
2026-07-21 23:55:13 711ms 3 NS 2 A 0 MX 🔒 Secure View
2026-07-15 19:04:46 658ms 3 NS 2 A 0 MX 🔒 Secure View
2026-07-10 06:29:11 673ms 3 NS 2 A 0 MX 🔒 Secure View
2026-07-07 03:43:41 1090ms 3 NS 2 A 0 MX 🔒 Secure View
2026-07-04 12:30:47 2832ms 3 NS 2 A 0 MX 🔒 Secure View
2026-06-29 18:20:48 2749ms 3 NS 2 A 0 MX 🔒 Secure View
2026-06-25 22:07:58 401ms 3 NS 2 A 0 MX 🔒 Secure View
2026-06-21 10:57:01 1182ms 3 NS 2 A 0 MX 🔒 Secure View
2026-06-17 13:35:13 551ms 3 NS 2 A 0 MX 🔒 Secure View
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