idealstudy.dk
📜 Historical scan 2026-06-17 11:35:18  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   2040ms
NameserverIP addressesPTRASN / ISP
ns1.p201.dns.oraclecloud.net 108.59.166.201
2600:2000:2100::c9		 ns1.p201.dns.oraclecloud.net
ns1.p201.dns.oraclecloud.net		 AS31898 Oracle Corporation
AS31898 Oracle Corporation
ns2.p201.dns.oraclecloud.net 108.59.168.201
2600:2000:2110::c9		 ns2.p201.dns.oraclecloud.net
ns2.p201.dns.oraclecloud.net		 AS31898 Oracle Corporation
AS31898 Oracle Corporation
ns3.p201.dns.oraclecloud.net 108.59.170.201
2600:2000:2120::c9		 ns3.p201.dns.oraclecloud.net
ns3.p201.dns.oraclecloud.net		 AS31898 Oracle Corporation
AS31898 Oracle Corporation
ns4.p201.dns.oraclecloud.net 108.59.172.201
2600:2000:2130::c9		 ns4.p201.dns.oraclecloud.net
ns4.p201.dns.oraclecloud.net		 AS31898 Oracle Corporation
AS31898 Oracle Corporation
🌍 A Records1 records   2080ms
IPTTLPTRASNISP / OrgCIDRCountryCity
192.29.61.237 — — AS31898 Oracle Corporation 192.29.0.0/16 🇨🇭 Switzerland Zurich
📧 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 Records1 records   2160ms
TXT Record
v=spf1 redirect=_spf.idealstudy.dk
✉️ SPF
PolicyRecord (idealstudy.dk)
no all — incomplete SPF v=spf1 redirect=_spf.idealstudy.dk
📨 DMARC
PolicyRecord (_dmarc.idealstudy.dk)
p=quarantine v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.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)
🔐 DNSSEC2118ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA2052ms
FieldValue
Serial3
Primary NS (MNAME)ns1.p201.dns.oraclecloud.net
Responsible (RNAME)hostmaster@idealstudy.dk
Refresh3600s
Retry600s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
2040ms
A
2080ms
MX
2099ms
AAAA
2099ms
TXT
2160ms
CAA
2040ms
HTTPS
2094ms
TLSA
260ms
SOA
2052ms
MTA-STS
2045ms
DNSSEC
2118ms
SRV
0ms
Total
3450ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-30 09:21:19 843ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-22 16:15:59 1436ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-21 14:04:32 926ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 11:35:18 3450ms 4 NS 1 A 0 MX 🔓 Insecure View
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