frbo.dk
Last scanned: 2026-08-27 20:47:01  ·  9593ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   46ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
🌍 A Records1 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
194.255.46.20 86400s — AS3308 Norlys Telco A/S 194.255.0.0/16 🇩🇰 Denmark Frederiksberg
📧 MX Records2 records   71ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.dandomain.dk 212.237.249.50 mx1.dandomain.dk AS48854 team.blue Denmark A/S
20 3600s mx2.dandomain.dk 46.36.209.11 mx2.dandomain.dk AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24
🔶 Autoconfigautoconfig-mf.dandomain.dk → 212.237.249.54
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   107ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records2 records   295ms
TXT Record
MS=ms53371930
v=spf1 include:spf.protection.outlook.com include:spf.dandomain.dk -all
✉️ SPF
PolicyRecord (frbo.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:spf.dandomain.dk -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)
🔐 DNSSEC9086ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2024013000
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
42ms
MX
71ms
AAAA
53ms
TXT
295ms
CAA
51ms
HTTPS
42ms
TLSA
62ms
SOA
0ms
MTA-STS
85ms
DNSSEC
9086ms
SRV
107ms
Total
9593ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:47:01 9593ms 4 NS 1 A 2 MX 🔓 Insecure View
2026-08-24 14:49:21 1318ms 4 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 09:36:39 517ms 4 NS 1 A 2 MX ❓ Unknown View
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