phdstudies.dk
📜 Historical scan 2026-06-17 14:33:12  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   2080ms
🌍 A Records2 records   86ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.23.242 AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.214.90 AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   97ms
🔷 AAAA Records (IPv6)2 records   97ms
🔐 HTTPS Records1 records   121ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.23.242,172.67.214.90 ech=AEX+DQBBOwAgACAG1eGjqSgaba5UXmh5eE84iX3ffsXq/5DpIUhEmpCbbQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d65a,2606:4700:3033::6815:17f2
📝 TXT Records1 records   291ms
TXT Record
google-site-verification=pCSSpH9q5zpCkGSERxRRIQyjCo1DrSLEcvAw7sDQBcI
✉️ 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)
🔐 DNSSEC245ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA74ms
FieldValue
Serial2405504988
Primary NS (MNAME)dana.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
2080ms
A
86ms
MX
97ms
AAAA
97ms
TXT
291ms
CAA
112ms
HTTPS
121ms
TLSA
182ms
SOA
74ms
MTA-STS
91ms
DNSSEC
245ms
SRV
0ms
Total
4294ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-27 06:47:31 16877ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-28 01:59:26 1948ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-24 20:28:04 1060ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-23 21:36:38 850ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-17 14:33:12 4294ms 2 NS 2 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone