sl-opbygning.dk
Last scanned: 2026-06-19 23:57:05  ·  715ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   136ms
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   134ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.36.206.130 3600s webserver2.dk AS48854 team.blue Denmark A/S 46.36.204.0/22 🇩🇰 Denmark —
📧 MX Records2 records   141ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
10 3600s mx2.onlinemail.io 46.36.208.16 mx2.onlinemail.io AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig46.36.206.130
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   386ms
TXT Record
v=spf1 a include:spf.curanet.dk include:spf.simply.com -all
✉️ SPF
PolicyRecord (sl-opbygning.dk)
-all (hard fail) v=spf1 a include:spf.curanet.dk include:spf.simply.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)
🔐 DNSSEC233ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA149ms
FieldValue
Serial2025042300
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
136ms
A
134ms
MX
141ms
AAAA
125ms
TXT
386ms
CAA
139ms
HTTPS
134ms
TLSA
79ms
SOA
149ms
MTA-STS
291ms
DNSSEC
233ms
SRV
352ms
Total
715ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-19 23:57:05 715ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-18 07:49:13 693ms 4 NS 1 A 2 MX 🔒 Secure View
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