rldn.dk
Last scanned: 2026-08-27 11:40:38  ·  756ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   45ms
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   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
173.249.20.120 3600s vmi1512488.contaboserver.net AS51167 Contabo GmbH 173.249.0.0/18 🇫🇷 France Lauterbourg
📧 MX Records1 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.rldn.dk 173.249.20.120 vmi1512488.contaboserver.net AS51167 Contabo GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover173.249.20.120
🔶 Autoconfig173.249.20.120
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   205ms
TXT Record
v=spf1 a mx ip4:173.249.20.120 ~all
✉️ SPF
PolicyRecord (rldn.dk)
~all (soft fail) v=spf1 a mx ip4:173.249.20.120 ~all
📨 DMARC
PolicyRecord (_dmarc.rldn.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:admin@rldn.dk
📬 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)
🔐 DNSSEC87ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081910
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
45ms
A
56ms
MX
50ms
AAAA
60ms
TXT
205ms
CAA
44ms
HTTPS
60ms
TLSA
199ms
SOA
0ms
MTA-STS
76ms
DNSSEC
87ms
SRV
80ms
Total
756ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 11:40:38 756ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 15:56:28 712ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-14 08:44:52 1233ms 2 NS 1 A 1 MX 🔒 Secure View
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