rklab.dk
Last scanned: 2026-08-28 10:55:42  ·  10064ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   67ms
NameserverIP addressesPTRASN / ISP
ns1.digitalocean.com 172.64.52.210
2606:4700:52::ac40:34d2		 ns1.digitalocean.com
ns1.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns2.digitalocean.com 172.64.53.21
2606:4700:5a::ac40:3515		 ns2.digitalocean.com
ns2.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns3.digitalocean.com 172.64.49.209
2606:4700:52::ac40:31d1		 ns3.digitalocean.com
ns3.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records1 records   66ms
IPTTLPTRASNISP / OrgCIDRCountryCity
159.89.215.87 1162s — AS14061 DigitalOcean, LLC 159.89.128.0/17 🇩🇪 Germany Frankfurt am Main
📧 MX Records3 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
1 12408s mail8.mymailcheap.com 51.75.15.250 mail8.mymailcheap.com AS16276 OVH SAS
5 12408s alt1.mymailcheap.com 51.83.107.245 alt1.mymailcheap.com AS16276 OVH SAS
10 12408s alt2.mymailcheap.com 158.69.83.225 alt2.mymailcheap.com AS16276 OVH SAS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover159.89.215.87
🔶 Autoconfig159.89.215.87
🔷 AAAA Records (IPv6)1 records   68ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a03:b0c0:3:d0::1b76:1 1163s rklabs.dk AS14061 DigitalOcean, LLC 2a03:b0c0:0:0:0:0:0:0/46 🇩🇪 Germany Frankfurt am Main
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   369ms
TXT Record
nms-domain-verification=516200171609
v=spf1 mx a:relay.mymailcheap.com -all
✉️ SPF
PolicyRecord (rklab.dk)
-all (hard fail) v=spf1 mx a:relay.mymailcheap.com -all
📨 DMARC
PolicyRecord (_dmarc.rklab.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100
📬 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)
🔐 DNSSEC9094ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial0
Primary NS (MNAME)ns1.digitalocean.com
Responsible (RNAME)hostmaster@rklab.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
67ms
A
66ms
MX
49ms
AAAA
68ms
TXT
369ms
CAA
71ms
HTTPS
68ms
TLSA
147ms
SOA
0ms
MTA-STS
123ms
DNSSEC
9094ms
SRV
253ms
Total
10064ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:55:42 10064ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-30 12:11:02 1930ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-26 00:54:30 1223ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-21 15:28:02 833ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 13:03:58 3102ms 3 NS 1 A 3 MX 🔓 Insecure View
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