checksum.dk
Last scanned: 2026-08-28 03:40:52  ·  9512ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   62ms
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 Records1 records   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
75.2.60.5 2688s acd89244c803f7181.awsglobalaccelerator.com AS16509 Amazon.com, Inc. 75.2.0.0/17 🇺🇸 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)
🔐 DNSSEC9120ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026081801
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
62ms
A
52ms
MX
41ms
AAAA
50ms
TXT
153ms
CAA
37ms
HTTPS
35ms
TLSA
41ms
SOA
0ms
MTA-STS
70ms
DNSSEC
9120ms
SRV
75ms
Total
9512ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 03:40:52 9512ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-08-18 09:49:53 605ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-08-13 04:58:19 2062ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-25 04:28:30 693ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 20:25:52 2775ms 2 NS 1 A 4 MX 🔒 Secure View
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