klasse-centret.dk
Last scanned: 2026-08-30 13:12:34  ·  1716ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   39ms
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   26ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.56.147.142 11700s — AS31027 GlobalConnect A/S 5.56.144.0/20 🇩🇰 Denmark Copenhagen
📧 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   210ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (klasse-centret.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.klasse-centret.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)
🔐 DNSSEC101ms
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
39ms
A
26ms
MX
34ms
AAAA
32ms
TXT
210ms
CAA
38ms
HTTPS
24ms
TLSA
1221ms
SOA
0ms
MTA-STS
53ms
DNSSEC
101ms
SRV
66ms
Total
1716ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 13:12:34 1716ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-29 09:55:10 1901ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-27 04:29:51 2484ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-23 08:17:59 2333ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-22 07:56:43 679ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-16 22:47:43 666ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-14 14:06:10 2649ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-11 00:28:13 1381ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-06 19:06:58 882ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-28 13:47:01 9486ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-25 09:19:57 1017ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-20 15:13:59 948ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-18 03:08:17 1068ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-11 06:19:47 673ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-08 15:36:04 1603ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-03 12:34:53 553ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-28 05:17:01 947ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-25 06:06:21 548ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 12:07:49 653ms 2 NS 1 A 0 MX 🔒 Secure View
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