optinora.dk
Last scanned: 2026-08-26 17:19:15  ·  589ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
🌍 A Records2 records   27ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.21.203 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.200.81 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   31ms
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
🔷 Autodiscover104.21.21.203
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222
🔷 AAAA Records (IPv6)2 records   33ms
🔐 HTTPS Records1 records   37ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.21.203,172.67.200.81 ech=AEX+DQBBAQAgACCmE08AFi8wj8zkVCYeEKkHTSWCakI5+RhKNOfGMHA4TgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:15cb,2606:4700:3032::ac43:c851
🔌 SRV Records1 records   52ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   150ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (optinora.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.optinora.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
📬 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   53ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2413152714
Primary NS (MNAME)albert.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
31ms
A
27ms
MX
31ms
AAAA
33ms
TXT
150ms
CAA
28ms
HTTPS
37ms
TLSA
53ms
SOA
0ms
MTA-STS
51ms
DNSSEC
98ms
SRV
52ms
Total
589ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 17:19:15 589ms 2 NS 2 A 1 MX 🔒 Secure View
2026-08-24 11:04:27 2886ms 2 NS 2 A 1 MX 🔒 Secure View
2026-08-14 08:45:17 3790ms 3 NS 1 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone