df.dk
Last scanned: 2026-07-26 04:39:22  ·  24884ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   8074ms
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   90ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.126 3600s linux108.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records1 records   92ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover94.231.103.126
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   8095ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records3 records   8355ms
TXT Record
MS=ms87444472
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;
v=spf1 ip4:213.150.59.248 ip4:213.150.59.197 ip4:213.150.59.3 ip4:185.21.42.20 include:spf.onlinemail.io include:spf.mandrillapp.com ?all
✉️ SPF
PolicyRecord (df.dk)
?all (neutral) v=spf1 ip4:213.150.59.248 ip4:213.150.59.197 ip4:213.150.59.3 ip4:185.21.42.20 include:spf.onlinemail.io include:spf.mandrillapp.com ?all
📨 DMARC
PolicyRecord (_dmarc.df.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@df.dk;
📬 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   63ms
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…
🔐 DNSSEC179ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA77ms
FieldValue
Serial2025081900
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
8074ms
A
90ms
MX
92ms
AAAA
88ms
TXT
8355ms
CAA
85ms
HTTPS
91ms
TLSA
63ms
SOA
77ms
MTA-STS
71ms
DNSSEC
179ms
SRV
8095ms
Total
24884ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-26 04:39:22 24884ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-25 13:06:17 2457ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 02:38:30 1591ms 4 NS 1 A 1 MX ⚠️ Bogus View
2026-06-17 02:30:55 597ms 4 NS 1 A 1 MX 🔒 Secure View
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