osteostrong.dk
Last scanned: 2026-08-26 02:13:09  ·  570ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   37ms
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   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.83 3600s linux205.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records2 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.onwelcom.dk 185.51.79.248 mailfilter.powernet.dk AS205984 Powernet Aps
20 3600s mx2.onwelcom.dk 185.51.79.248 mailfilter.powernet.dk AS205984 Powernet Aps
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover93.191.156.83
🔶 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   104ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records2 records   148ms
TXT Record
mandrill_verify.PUr8kR7hVOcZ0y6uANCZUA
v=spf1 ip4:87.116.13.124 ip4:130.211.94.56 ip4:185.51.79.241 ip4:185.51.79.235 include:mailserver.waimea.dk include:sendgrid.net include:spf.mandrillapp.com include:_spf.google.com ~all
✉️ SPF
PolicyRecord (osteostrong.dk)
~all (soft fail) v=spf1 ip4:87.116.13.124 ip4:130.211.94.56 ip4:185.51.79.241 ip4:185.51.79.235 include:mailserver.waimea.dk include:sendgrid.net include:spf.mandrillapp.com include:_spf.google.com ~all
📨 DMARC
PolicyRecord (_dmarc.osteostrong.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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)
🔐 DNSSEC82ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2025061803
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
37ms
A
41ms
MX
49ms
AAAA
45ms
TXT
148ms
CAA
53ms
HTTPS
41ms
TLSA
86ms
SOA
0ms
MTA-STS
54ms
DNSSEC
82ms
SRV
104ms
Total
570ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 02:13:09 570ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-22 04:19:14 741ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-18 05:08:25 781ms 3 NS 1 A 2 MX 🔒 Secure View
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