optimalfodterapi.dk
📜 Historical scan 2026-08-12 07:03:35  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   149ms
🌍 A Records2 records   211ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.41.213 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.151.171 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   178ms
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
🔷 Autodiscover172.67.151.171
🔶 Autoconfig104.21.41.213
🔷 AAAA Records (IPv6)2 records   220ms
🔐 HTTPS Records1 records   209ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.41.213,172.67.151.171 ech=AEX+DQBBUgAgACApX7zJGzc2YT6igXiXwkBCe+2AqFgEbRjVaSzuvIIPbgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:29d5,2606:4700:3036::ac43:97ab
🔌 SRV Records1 records   252ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   424ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (optimalfodterapi.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   230ms
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…
🔐 DNSSEC309ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2411960209
Primary NS (MNAME)casey.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
149ms
A
211ms
MX
178ms
AAAA
220ms
TXT
424ms
CAA
212ms
HTTPS
209ms
TLSA
230ms
SOA
0ms
MTA-STS
274ms
DNSSEC
309ms
SRV
252ms
Total
2343ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 16:27:51 773ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-12 07:03:35 2343ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-06 09:56:39 1840ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-03 14:54:22 10373ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-28 01:58:59 864ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-25 06:42:58 2345ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-18 08:43:15 2956ms 2 NS 2 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone