j2kdevelop.dk
Last scanned: 2026-08-28 07:17:24  ·  727ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   45ms
🌍 A Records2 records   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.45.126 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.214.75 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   78ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔶 Autoconfig172.67.214.75
🔷 AAAA Records (IPv6)2 records   50ms
🔐 HTTPS Records1 records   69ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.45.126,172.67.214.75 ech=AEX+DQBBMgAgACB2gyxIfgnmTyLKl+z5EdXkR9TwlIiJEVN8uT3zS3XZRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2d7e,2606:4700:3032::ac43:d64b
📝 TXT Records2 records   250ms
TXT Record
google-site-verification=ZupkLBKbMHHsHdTGoF9q775ZUrT_Lb3NiN2M_qPYWGI
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (j2kdevelop.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 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 / DANE2 records   59ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
🔐 DNSSEC86ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2411781953
Primary NS (MNAME)dayana.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
45ms
A
56ms
MX
78ms
AAAA
50ms
TXT
250ms
CAA
62ms
HTTPS
69ms
TLSA
59ms
SOA
0ms
MTA-STS
101ms
DNSSEC
86ms
SRV
255ms
Total
727ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 07:17:24 727ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-11 11:16:24 4449ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-17 08:06:08 982ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-15 01:56:09 9941ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-18 08:18:58 939ms 2 NS 2 A 1 MX ❓ Unknown View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone