ca3.dk
Last scanned: 2026-06-20 17:31:33  ·  717ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   82ms
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   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.199.108.153 3600s cdn-185-199-108-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.109.153 3600s cdn-185-199-109-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.110.153 3600s cdn-185-199-110-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.111.153 3600s 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)4 records   85ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:50c0:8000::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —
2606:50c0:8001::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —
2606:50c0:8002::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —
2606:50c0:8003::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —
🔐 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)
🔐 DNSSEC101ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA83ms
FieldValue
Serial2025110300
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
82ms
A
49ms
MX
49ms
AAAA
85ms
TXT
346ms
CAA
101ms
HTTPS
82ms
TLSA
99ms
SOA
83ms
MTA-STS
102ms
DNSSEC
101ms
SRV
141ms
Total
717ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-20 17:31:33 717ms 3 NS 4 A 0 MX 🔒 Secure View
2026-06-16 18:45:24 523ms 3 NS 4 A 0 MX 🔒 Secure View
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