c3po.dk

📜 Historical scan 2026-06-27 08:06:28  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c3po.dk is a .dk domain served by 2 nameservers (addilyn.ns.cloudflare.com, huxley.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.81.206 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   50ms

🌍 A Records#

2 records   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.81.206 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.190.234 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

4 records   44ms

🔷 AAAA Records (IPv6)#

2 records   44ms

🔐 HTTPS Records#

1 records   63ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.81.206,172.67.190.234 ech=AEX+DQBBMAAgACCzfJnkHeFOvEV0dvKuEgc21MVV2kIl7TpTvua7c4uSdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:beea,2606:4700:3034::6815:51ce

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

latest probe, not this scan · checked 2026-10-15 14:44:01
www104.21.81.206 172.67.190.234 2606:4700:3035::6815:51ce 2606:4700:3035::ac43:beea (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

🔗 TLSA / DANE#

4 records   55ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

76ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

49ms
FieldValue
Serial2407138584
Primary NS (MNAME)addilyn.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
50ms
A
38ms
MX
44ms
AAAA
44ms
TXT
228ms
CAA
49ms
HTTPS
63ms
TLSA
55ms
SOA
49ms
MTA-STS
48ms
DNSSEC
76ms
SRV
69ms
Total
1035ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 14:44:01 1509ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-26 16:08:18 1656ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-25 16:04:35 1304ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-21 23:00:57 1644ms 2 NS 2 A 4 MX 🔒 Secure
2026-08-28 03:44:16 934ms 2 NS 2 A 4 MX 🔒 Secure
2026-08-06 05:19:02 1905ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-28 17:54:51 10938ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-22 07:31:06 17278ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-11 09:38:46 1292ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-27 08:06:28 shown 1035ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-25 23:13:00 1074ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-23 20:12:03 1048ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 02:43:05 3631ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-16 18:43:16 1103ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-16 18:40:59 834ms 2 NS 2 A 4 MX 🔒 Secure
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