fmus.dk
Last scanned: 2026-08-30 16:24:24  ·  806ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   29ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.40.55 3600s vm1251.enterprisecloud.nu AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —
📧 MX Records2 records   24ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
20 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
🔶 Autoconfigautoconfig-mf.onlinemail.io → 185.21.40.62
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   120ms
TXT Record
v=spf1 include:spf.curanet.dk include:spf.mailjet.com -all
✉️ SPF
PolicyRecord (fmus.dk)
-all (hard fail) v=spf1 include:spf.curanet.dk include:spf.mailjet.com -all
📨 DMARC
PolicyRecord (_dmarc.fmus.dk)
p=reject v=DMARC1; p=reject; ri=86400
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.fmus.dk fmus.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
29ms
A
33ms
MX
24ms
AAAA
23ms
TXT
120ms
CAA
23ms
HTTPS
30ms
TLSA
250ms
SOA
0ms
MTA-STS
42ms
DNSSEC
98ms
SRV
50ms
Total
806ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 16:24:24 806ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-26 23:17:20 1654ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-26 00:17:20 2842ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-27 08:40:54 605ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-23 19:23:01 694ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-22 07:09:18 638ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 09:32:54 498ms 2 NS 1 A 2 MX 🔒 Secure View
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