systemlab.dk
Last scanned: 2026-08-27 13:09:32  ·  803ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
🌍 A Records2 records   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.22.107 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.204.97 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s blarke.net 193.181.212.191 blarke.net AS44803 Webdock.io ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoversystemlab.dk → 193.181.212.191
🔶 Autoconfigsystemlab.dk → 193.181.212.191
🔷 AAAA Records (IPv6)2 records   32ms
🔐 HTTPS Records1 records   34ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.22.107,172.67.204.97 ech=AEX+DQBBMwAgACAgxhomKHehEW58NJqh4dTyKWEWuazzuXDGTTnRaCl5ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:166b,2606:4700:3033::ac43:cc61
📝 TXT Records1 records   146ms
TXT Record
v=spf1 mx:systemlab.dk ~all
✉️ SPF
PolicyRecord (systemlab.dk)
~all (soft fail) v=spf1 mx:systemlab.dk ~all
📨 DMARC
PolicyRecord (_dmarc.systemlab.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:info@blarke.net
📬 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.systemlab.dk systemlab.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413236240
Primary NS (MNAME)randall.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
30ms
MX
36ms
AAAA
32ms
TXT
146ms
CAA
24ms
HTTPS
34ms
TLSA
96ms
SOA
0ms
MTA-STS
44ms
DNSSEC
103ms
SRV
61ms
Total
803ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 13:09:32 803ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-26 11:40:55 852ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-25 05:49:18 2722ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-09 13:20:37 1517ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-30 17:40:42 1962ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-19 15:07:36 1190ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-08 20:27:59 17095ms 2 NS 2 A 1 MX ❓ Unknown View
2026-06-30 06:37:06 1204ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-26 04:34:32 936ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-20 04:20:08 2822ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 16:07:41 3947ms 2 NS 1 A 1 MX 🔓 Insecure View
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