studora.dk
📜 Historical scan 2026-06-19 23:31:42  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   39ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
199.36.158.100 3600s — AS54113 Fastly, Inc. 199.36.158.0/24 🇺🇸 United States —
📧 MX Records1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   172ms
TXT Record
brevo-code:1c814d190b138ca12f8a3f2e4b459c41
hosting-site=studentmarketplace-43144
studentmarketplace-43144
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.studora.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.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)
🔐 DNSSEC75ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA51ms
FieldValue
Serial2026061301
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
39ms
A
33ms
MX
40ms
AAAA
39ms
TXT
172ms
CAA
33ms
HTTPS
44ms
TLSA
51ms
SOA
51ms
MTA-STS
60ms
DNSSEC
75ms
SRV
46ms
Total
393ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-14 20:02:03 1481ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 14:19:36 545ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 02:21:45 2481ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 15:31:00 1076ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 13:18:05 380ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 23:31:42 393ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 21:51:37 460ms 2 NS 1 A 0 MX 🔒 Secure View
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