helsingoergymnasium.dk
Last scanned: 2026-08-27 06:52:14  ·  347ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   19ms
NameserverIP addressesPTRASN / ISP
ns07.sac-it.dk 85.235.243.63 ns07.sac-it.dk AS3308 Norlys Digital A/S
ns08.sac-it.dk 128.76.60.63 ns08.sac-it.dk AS3292 TDC Holding A/S
🌍 A Records1 records   25ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.233.19.192 3600s 192.0-254.19.233.89.in-addr.arpa AS3308 Norlys Digital A/S 89.233.0.0/18 🇩🇰 Denmark Copenhagen
📧 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)
🔐 DNSSEC95ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082701
Primary NS (MNAME)ns07.sac-it.dk
Responsible (RNAME)hostmaster@helsingoergymnasium.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
19ms
A
25ms
MX
23ms
AAAA
24ms
TXT
68ms
CAA
23ms
HTTPS
22ms
TLSA
35ms
SOA
0ms
MTA-STS
35ms
DNSSEC
95ms
SRV
29ms
Total
347ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 06:52:14 347ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-20 13:40:50 670ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-14 02:57:06 2357ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-08 13:20:50 657ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-01 21:56:24 8419ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-24 00:59:46 545ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-17 04:07:38 588ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-09 02:07:23 642ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-03 12:16:03 2378ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-25 05:29:53 1913ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-24 08:54:46 987ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 10:48:25 839ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 11:19:53 2457ms 2 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone