klasse-centeret.dk
Last scanned: 2026-08-31 13:27:00  ·  1744ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   116ms
NameserverIP addressesPTRASN / ISP
ns.vordbkom.dk 131.165.202.1 ns.vordbkom.dk AS6834 KMD A/S
ns.vordbskoler.dk 5.56.147.154 — AS31027 GlobalConnect A/S
🌍 A Records1 records   77ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.56.147.142 11700s — AS31027 GlobalConnect A/S 5.56.144.0/20 🇩🇰 Denmark Karlslunde
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover5.56.147.142
🔶 Autoconfig5.56.147.142
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   508ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (klasse-centeret.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.klasse-centeret.dk)
p=reject v=DMARC1; p=reject; rua=mailto:60f69872d8c04@dmarc.centerasecurity.com;
📬 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)
🔐 DNSSEC280ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2013020741
Primary NS (MNAME)ns.vordbkom.dk
Responsible (RNAME)hostmaster
Refresh14400s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)900s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
116ms
A
77ms
MX
114ms
AAAA
107ms
TXT
508ms
CAA
87ms
HTTPS
97ms
TLSA
157ms
SOA
0ms
MTA-STS
236ms
DNSSEC
280ms
SRV
223ms
Total
1744ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 13:27:00 1744ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-28 11:24:33 2449ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-22 23:27:28 914ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-21 23:10:23 9615ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-17 14:03:23 2428ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-15 04:26:17 12251ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-11 15:23:10 753ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-06 15:01:11 651ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-02 20:15:17 2978ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-25 21:00:52 2425ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-20 10:13:26 635ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-14 10:45:00 16549ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-09 02:25:36 900ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-02 18:32:30 3199ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-28 17:54:40 624ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-22 23:32:16 3512ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-22 07:39:38 911ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 02:48:26 1223ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 12:09:02 1154ms 2 NS 1 A 0 MX 🔒 Secure View
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