cno3.dk
📜 Historical scan 2026-06-16 21:44:06  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   305ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com
ns2.simply.com
ns3.simply.com
🌍 A Records1 records   929ms
📧 MX Records1 records   441ms
PriorityTTLMail ServerIP addressesPTRASN
10 mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   5034ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (cno3.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.cno3.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   13236ms
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…
🔐 DNSSEC3480ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA597ms
FieldValue
Serial2025100302
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
305ms
A
929ms
MX
441ms
AAAA
742ms
TXT
5034ms
CAA
581ms
HTTPS
552ms
TLSA
13236ms
SOA
597ms
MTA-STS
543ms
DNSSEC
3480ms
SRV
0ms
Total
65535ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 04:59:15 656ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-20 01:28:23 2803ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 21:45:04 1665ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 21:44:06 65535ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 21:31:33 546ms 3 NS 1 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone