studious.dk
📜 Historical scan 2026-07-06 09:56:26  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   191ms
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   174ms
IPTTLPTRASNISP / OrgCIDRCountryCity
199.36.158.100 3600s — AS54113 Fastly, Inc. 199.36.158.0/24 🇺🇸 United States —
📧 MX Records1 records   174ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  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 Records1 records   303ms
TXT Record
hosting-site=cocoders-dk
✉️ 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)
🔐 DNSSEC279ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026070401
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
191ms
A
174ms
MX
174ms
AAAA
199ms
TXT
303ms
CAA
173ms
HTTPS
190ms
TLSA
372ms
SOA
0ms
MTA-STS
215ms
DNSSEC
279ms
SRV
215ms
Total
1313ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 08:52:40 666ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-05 20:57:06 1137ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-06 09:56:26 1313ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 01:22:49 430ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 22:26:39 1171ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 03:54:05 586ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 15:42:19 618ms 2 NS 1 A 0 MX 🔒 Secure View
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