rybners-gymnasium.dk
Last scanned: 2026-08-31 08:14:54  ·  2101ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   73ms
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 Records1 records   74ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.128.213.47 3600s — AS39642 Sinal A/S 37.128.208.0/20 🇩🇰 Denmark Esbjerg
📧 MX Records1 records   89ms
PriorityTTLMail ServerIP addressesPTRASN
100 3600s mxnonexistent.rybners-gymnasium.dk — — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   364ms
TXT Record
inst=Rybners
uvmid=280110
v=spf1 -all
✉️ SPF
PolicyRecord (rybners-gymnasium.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.rybners-gymnasium.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)
🔐 DNSSEC236ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial1415190481
Primary NS (MNAME)ns1.esis.dk
Responsible (RNAME)hostmaster@esis.dk
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
73ms
A
74ms
MX
89ms
AAAA
100ms
TXT
364ms
CAA
96ms
HTTPS
81ms
TLSA
282ms
SOA
0ms
MTA-STS
117ms
DNSSEC
236ms
SRV
161ms
Total
2101ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 08:14:54 2101ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 12:17:39 531ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-21 23:21:36 11058ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 22:48:12 771ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-16 14:57:52 729ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 09:49:21 1301ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 21:03:07 1311ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-08 23:33:30 16476ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-30 01:56:51 683ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-27 03:46:01 852ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-24 01:19:28 639ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 19:20:23 1612ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 18:54:22 2636ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 21:01:40 827ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-06 21:44:09 786ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 21:02:34 777ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 06:02:26 747ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 16:43:46 808ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 19:42:11 506ms 2 NS 1 A 1 MX ❓ Unknown View
2026-06-22 19:09:29 954ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 13:28:35 662ms 2 NS 1 A 1 MX 🔒 Secure View
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