dkoffice.dk
Last scanned: 2026-08-28 10:12:02  ·  879ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   71ms
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   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.186.16.183 3600s 5.186.16.183.static.fibianet.dk AS44869 FIBIA P/S 5.186.0.0/16 🇩🇰 Denmark Sorø
📧 MX Records1 records   68ms
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
🔷 Autodiscover5.186.16.183
🔶 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   97ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   183ms
TXT Record
v=spf1 +a +mx +ip4:77.66.117.45 +a:dkoffice.dk +ip4:62.116.216.78 +ip4:5.186.16.183 ~all
✉️ SPF
PolicyRecord (dkoffice.dk)
~all (soft fail) v=spf1 +a +mx +ip4:77.66.117.45 +a:dkoffice.dk +ip4:62.116.216.78 +ip4:5.186.16.183 ~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   80ms
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…
🔐 DNSSEC103ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026032301
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
71ms
A
40ms
MX
68ms
AAAA
85ms
TXT
183ms
CAA
81ms
HTTPS
74ms
TLSA
80ms
SOA
0ms
MTA-STS
74ms
DNSSEC
103ms
SRV
97ms
Total
879ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:12:02 879ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-30 16:33:10 664ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-26 13:02:35 639ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 03:50:19 622ms 4 NS 1 A 1 MX 🔒 Secure View
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