redsystem.dk
📜 Historical scan 2026-08-16 10:15:41  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
🌍 A Records2 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.71.158 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.146.87 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records5 records   40ms
🔷 AAAA Records (IPv6)2 records   39ms
🔐 HTTPS Records1 records   46ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.71.158,172.67.146.87 ech=AEX+DQBBQQAgACC3LLV29zsUd4APi5d5/7LgGDKjaqs7w3rmXi759yogdwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:479e,2606:4700:3036::ac43:9257
📝 TXT Records2 records   254ms
TXT Record
1password-site-verification=XBGXQG627ZEZ5DRZW63MSP2ZTE
v=spf1 include:_spf.google.com -all
✉️ SPF
PolicyRecord (redsystem.dk)
-all (hard fail) v=spf1 include:_spf.google.com -all
📨 DMARC
PolicyRecord (_dmarc.redsystem.dk)
p=reject v=DMARC1; p=reject; sp=reject; rf=afrf; fo=1:d:s; pct=100; ri=86400; adkim=s; aspf=s; rua=mailto:66645184cc164baa8bad747f953710e1@dmarc-reports.cloudflare.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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC138ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2412306664
Primary NS (MNAME)ada.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
41ms
A
41ms
MX
40ms
AAAA
39ms
TXT
254ms
CAA
57ms
HTTPS
46ms
TLSA
170ms
SOA
0ms
MTA-STS
48ms
DNSSEC
138ms
SRV
8079ms
Total
9971ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 12:59:35 9624ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-08-31 22:23:24 9910ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-08-28 08:42:36 1122ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-08-27 14:56:45 715ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-08-16 10:15:41 9971ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-08-04 05:22:31 9337ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-07-22 17:03:28 1927ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-07-12 18:11:03 1774ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-07-02 09:54:47 2998ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-06-20 16:59:01 955ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-06-17 14:33:49 2201ms 2 NS 2 A 5 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone