bt-dev.dk
📜 Historical scan 2026-07-28 01:55:28  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   8033ms
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   106ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.90 3600s linux85.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records1 records   8044ms
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
🔷 Autodiscover94.231.103.90
🔶 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   156ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   325ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (bt-dev.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.bt-dev.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   61ms
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…
🔐 DNSSEC196ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA88ms
FieldValue
Serial2025102201
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
8033ms
A
106ms
MX
8044ms
AAAA
8045ms
TXT
325ms
CAA
101ms
HTTPS
90ms
TLSA
61ms
SOA
88ms
MTA-STS
74ms
DNSSEC
196ms
SRV
156ms
Total
24545ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 22:46:13 533ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-28 01:55:28 24545ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-26 16:30:19 1250ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-24 05:12:43 1713ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-24 01:31:36 1179ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 17:43:03 1629ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 17:32:35 2886ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 17:30:14 667ms 3 NS 1 A 1 MX 🔒 Secure View
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