klassecenteret.dk
Last scanned: 2026-08-31 23:57:16  ·  1146ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   187ms
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   172ms
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   532ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (klassecenteret.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.klassecenteret.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)
🔐 DNSSEC300ms
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
187ms
A
172ms
MX
95ms
AAAA
74ms
TXT
532ms
CAA
177ms
HTTPS
180ms
TLSA
113ms
SOA
0ms
MTA-STS
223ms
DNSSEC
300ms
SRV
263ms
Total
1146ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 23:57:16 1146ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-28 08:24:55 3012ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-23 06:22:40 2824ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-22 05:58:26 679ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-18 01:17:28 921ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-14 00:04:58 5306ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-12 20:00:32 4299ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-06 20:12:27 8607ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-31 18:13:46 642ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-29 20:44:14 593ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-27 20:12:47 9439ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-26 19:39:43 65535ms 2 NS 0 A 0 MX ⚠️ Bogus View
2026-07-25 19:17:48 1045ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-20 08:25:46 930ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-13 21:39:16 9446ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-08 11:55:41 1094ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-03 12:06:00 2191ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-29 16:42:57 999ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-24 12:40:58 4500ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-22 06:40:51 623ms 2 NS 1 A 0 MX ⚠️ Bogus View
2026-06-22 06:00:25 4557ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-20 02:21:45 4255ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 13:03:37 5417ms 2 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone