roskildekatedralskole.dk
Last scanned: 2026-09-05 02:00:57  ·  673ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   50ms
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   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
76.76.21.21 600s — AS16509 Amazon.com, Inc. 76.76.21.0/24 🇺🇸 United States Walnut
📧 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)
🔐 DNSSEC70ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090301
Primary NS (MNAME)ns07.sac-it.dk
Responsible (RNAME)hostmaster@roskildekatedralskole.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 RegistrationWHOIS fetched 2026-09-05 02:04:32
FieldValue
RegistrarSAC-IT A/S
Registered2006-04-08
Expires2031-04-30 (1697d)
📋 WHOIS
⏱️ Lookup Timing
NS
50ms
A
31ms
MX
46ms
AAAA
28ms
TXT
155ms
CAA
39ms
HTTPS
45ms
TLSA
62ms
SOA
0ms
MTA-STS
52ms
DNSSEC
70ms
SRV
61ms
Total
673ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-05 02:00:57 673ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-27 18:58:29 384ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-20 18:04:31 2583ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-14 01:20:13 505ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-07 11:10:55 515ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-01 10:30:12 619ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-23 06:10:50 2406ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-18 03:30:49 519ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-10 12:58:59 9503ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-03 10:43:56 446ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-25 14:50:46 367ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-18 04:47:42 647ms 2 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone