techstudent.dk
📜 Historical scan 2026-06-23 05:20:44  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   227ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records4 records   382ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.199.108.153 600s cdn-185-199-108-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.109.153 600s cdn-185-199-109-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.110.153 600s cdn-185-199-110-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.111.153 600s cdn-185-199-111-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
📧 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)
🔐 DNSSEC737ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA379ms
FieldValue
Serial2024032204
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
227ms
A
382ms
MX
426ms
AAAA
387ms
TXT
855ms
CAA
390ms
HTTPS
388ms
TLSA
449ms
SOA
379ms
MTA-STS
122ms
DNSSEC
737ms
SRV
375ms
Total
2289ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 21:50:42 636ms 3 NS 4 A 0 MX 🔒 Secure View
2026-06-23 21:40:37 912ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 05:20:44 2289ms 3 NS 4 A 0 MX 🔒 Secure View
2026-06-21 18:36:08 910ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 00:12:59 668ms 3 NS 4 A 0 MX 🔒 Secure View
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