dnsbl.dk
Last scanned: 2026-08-08 15:18:58  ·  796ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   39ms
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   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
135.181.213.87 3600s jtw.dk AS24940 Hetzner Online GmbH 135.181.0.0/16 🇫🇮 Finland Helsinki
📧 MX Records1 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s dnsbl.dk 135.181.213.87 jtw.dk AS24940 Hetzner Online GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverdnsbl.dk → 135.181.213.87
🔶 Autoconfigdnsbl.dk → 135.181.213.87
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   141ms
TXT Record
google-site-verification=CAmbnjY68h6UFu9ddd6PSjslH8BPweXeUlIINAGGzG0
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.dnsbl.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:dmarc@jtw.dk; ruf=mailto:dmarc@jtw.dk; pct=100
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.dnsbl.dk dnsbl.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC80ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080701
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
39ms
A
41ms
MX
48ms
AAAA
41ms
TXT
141ms
CAA
31ms
HTTPS
45ms
TLSA
52ms
SOA
0ms
MTA-STS
61ms
DNSSEC
80ms
SRV
58ms
Total
796ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-08 15:18:58 796ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-08 15:48:36 1621ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-27 21:31:19 800ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 04:19:59 15919ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 04:12:46 1539ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 04:02:52 517ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 04:00:48 604ms 4 NS 1 A 1 MX 🔒 Secure View
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