redsystem.dk

Records from scan: 2026-10-14 23:23:47  ·  1968ms total  ·  last checked 2026-10-24 00:42 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

redsystem.dk is a .dk domain served by 2 nameservers (ada.ns.cloudflare.com, ivan.ns.cloudflare.com). It was registered on 15 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.71.158 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   39ms

🌍 A Records#

2 records   37ms
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 Records#

5 records   32ms

🔷 AAAA Records (IPv6)#

2 records   31ms

🔐 HTTPS Records#

1 records   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.71.158,172.67.146.87 ech=AEX+DQBBQgAgACCbde6tM6EOwMEqrofFKd/3zITs+sTjEwlITatt6d8caAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:479e,2606:4700:3036::ac43:9257

📝 TXT Records#

2 records   175ms
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

🧩 Web & zone#

checked 2026-10-14 23:23:47
www104.21.71.158 172.67.146.87 2606:4700:3030::6815:479e 2606:4700:3036::ac43:9257 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

113ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

31ms
FieldValue
Serial2417446456
Primary NS (MNAME)ada.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 23:53:14
FieldValue
RegistrarOvh
Registered2021-02-15
Expires2027-02-28 (127d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
37ms
MX
32ms
AAAA
31ms
TXT
175ms
CAA
33ms
HTTPS
35ms
TLSA
114ms
SOA
31ms
MTA-STS
46ms
DNSSEC
113ms
SRV
59ms
Total
1968ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 23:23:47 shown 1968ms 2 NS 2 A 5 MX 🔓 Insecure
2026-10-01 07:09:08 1013ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-24 04:20:07 1023ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-18 23:37:49 1480ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-03 12:59:35 9624ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-31 22:23:24 9910ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-28 08:42:36 1122ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-27 14:56:45 715ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-16 10:15:41 9971ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-04 05:22:31 9337ms 2 NS 2 A 5 MX 🔓 Insecure
2026-07-22 17:03:28 1927ms 2 NS 2 A 5 MX 🔓 Insecure
2026-07-12 18:11:03 1774ms 2 NS 2 A 5 MX 🔓 Insecure
2026-07-02 09:54:47 2998ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-20 16:59:01 955ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-17 14:33:49 2201ms 2 NS 2 A 5 MX 🔓 Insecure
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