arpacademy.dk
Last scanned: 2026-08-30 09:49:13  ·  1447ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   91ms
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
🌍 A Records1 records   121ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.101 3600s linux222.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records1 records   123ms
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
🔷 Autodiscover93.191.156.101
🔶 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   176ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   281ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (arpacademy.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.arpacademy.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   263ms
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…
🔐 DNSSEC308ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082901
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
91ms
A
121ms
MX
123ms
AAAA
106ms
TXT
281ms
CAA
108ms
HTTPS
170ms
TLSA
263ms
SOA
0ms
MTA-STS
207ms
DNSSEC
308ms
SRV
176ms
Total
1447ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 09:49:13 1447ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-27 18:18:17 788ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-27 04:29:14 617ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-15 20:16:32 694ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:53:25 1042ms 3 NS 1 A 1 MX 🔒 Secure View
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