rcosecurity.dk
Last scanned: 2026-06-18 08:11:45  ·  829ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   55ms
NameserverIP addressesPTRASN / ISP
dns01.dipcon.com 193.14.90.50
2a00:801:fb:253::4		 dns01.dipcon.com
dns01.dipcon.com		 AS1257 Tele2 SWIPnet
AS1257 Tele2 SWIPnet
dns02.ports.se 2001:19f0:5001:2a:5400:ff:fe38:1e6f
45.63.42.179		 dns02.ports.se
dns02.ports.se		 AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC
dns03.ports.se 2a04:3540:1000:310:287e:f6ff:fe1d:4789
94.237.33.102		 dns03.ports.se
dns03.ports.se		 AS202053 UpCloud Ltd
AS202053 UpCloud Ltd
dns04.ports.net 158.255.211.116
2a03:f80:ed15:3ec8::1		 dns04.ports.net
dns04.ports.net		 AS57169 EDIS GmbH
AS57169 EDIS GmbH
🌍 A Records1 records   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.14.90.203 — redirect.portsit.se AS1257 Tele2 SWIPnet 193.12.0.0/14 🇸🇪 Sweden Malmö
📧 MX Records2 records   60ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mailfilter.itsnordic.se 185.45.120.10 — AS1257 Tele2 SWIPnet
10 — mailfilter2.itsnordic.se — — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.rcosecurity.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:isdtvlhs@ag.eu.dmarcadvisor.com;
📬 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)
🔐 DNSSEC140ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA62ms
FieldValue
Serial2022090900
Primary NS (MNAME)dns01.dipcon.com
Responsible (RNAME)registry@ports.net
Refresh1800s
Retry900s
Expire1814400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
55ms
A
64ms
MX
60ms
AAAA
54ms
TXT
211ms
CAA
59ms
HTTPS
134ms
TLSA
122ms
SOA
62ms
MTA-STS
60ms
DNSSEC
140ms
SRV
126ms
Total
829ms
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