dfsb.dk
Last scanned: 2026-07-05 19:35:02  ·  16890ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   67ms
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
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.79.189.120 3600s ecolefrancodanoise.dk AS63949 Akamai Connected Cloud 178.79.128.0/18 🇬🇧 United Kingdom London
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover178.79.189.120
🔶 Autoconfig178.79.189.120
🔷 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)
🔐 DNSSEC149ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA43ms
FieldValue
Serial2022020200
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
67ms
A
45ms
MX
51ms
AAAA
52ms
TXT
302ms
CAA
56ms
HTTPS
58ms
TLSA
72ms
SOA
43ms
MTA-STS
96ms
DNSSEC
149ms
SRV
124ms
Total
16890ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-05 19:35:02 16890ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-27 23:53:48 566ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-20 11:45:24 397ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-17 02:35:52 438ms 4 NS 1 A 0 MX 🔒 Secure View
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