rcogroup.dk
Last scanned: 2026-08-28 10:19:35  ·  9417ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   66ms
🌍 A Records1 records   69ms
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   270ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (rcogroup.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.rcogroup.dk)
p=reject v=DMARC1; p=reject; 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)
🔐 DNSSEC9089ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2023103001
Primary NS (MNAME)a.portsdns.se
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
66ms
A
69ms
MX
86ms
AAAA
52ms
TXT
270ms
CAA
56ms
HTTPS
57ms
TLSA
56ms
SOA
0ms
MTA-STS
81ms
DNSSEC
9089ms
SRV
98ms
Total
9417ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:19:35 9417ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-25 20:53:02 762ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-21 08:16:24 859ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-21 00:55:14 1186ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 07:38:32 538ms 2 NS 1 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone