mfkb.dk
Last scanned: 2026-06-25 08:40:49  ·  3124ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   104ms
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   75ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.44 3600s linux190.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records1 records   236ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s webmail.rkrnet.dk 87.116.35.131 mail.rkrnet.dk AS31027 GlobalConnect A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   355ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 webmail.rkrnet.dk
📝 TXT Records1 records   656ms
TXT Record
v=spf1 mx a:mail.ringekostskole.dk a:mail.rkrnet.dk a:webmail.rkrnet.dk a:mail.mfkb.dk ip4:87.116.35.131 include:_spf.google.com -all
✉️ SPF
PolicyRecord (mfkb.dk)
-all (hard fail) v=spf1 mx a:mail.ringekostskole.dk a:mail.rkrnet.dk a:webmail.rkrnet.dk a:mail.mfkb.dk ip4:87.116.35.131 include:_spf.google.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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC607ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA106ms
FieldValue
Serial2022022502
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
104ms
A
75ms
MX
236ms
AAAA
106ms
TXT
656ms
CAA
168ms
HTTPS
102ms
TLSA
302ms
SOA
106ms
MTA-STS
138ms
DNSSEC
607ms
SRV
355ms
Total
3124ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 08:40:49 3124ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-22 02:06:23 978ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 04:54:52 1285ms 4 NS 1 A 1 MX 🔒 Secure View
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