cbox.dk

📜 Historical scan 2026-08-12 18:17:22  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cbox.dk is a .dk domain served by 2 nameservers (mary.ns.cloudflare.com, todd.ns.cloudflare.com). It was registered on 3 May 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.2.182 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. The zone is not DNSSEC-signed, publishes a 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   44ms

🌍 A Records#

2 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.2.182 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.129.137 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   42ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermail.cbox.dk → 91.99.15.241
🔶 Autoconfigmail.cbox.dk → 91.99.15.241

🔷 AAAA Records (IPv6)#

2 records   46ms

🔐 HTTPS Records#

1 records   50ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.2.182,172.67.129.137 ech=AEX+DQBBIQAgACAuX2P8sNJCsU0vlUtuUy4LZjL+uwxpv4xf2ZZR6Mt3KAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:2b6,2606:4700:3036::ac43:8189

🔌 SRV Records#

2 records   74ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 1 1 443 mail.cbox.dk
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

3 records   214ms
TXT Record
google-site-verification=SGcbFS0KQR9x-aldY7mdW7wTVURpiUY9yuCePJz2kwE
hosted-email-verify=t5z6gvva
v=spf1 include:_spf.protonmail.ch include:spf.mtasv.net include:_spf.google.com include:spf.postal.cbox.dk -all

✉️ SPF#

📨 DMARC#

PolicyRecord (_dmarc.cbox.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:9e932f96448746c3aa83813c96cf6488@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#

latest probe, not this scan · checked 2026-10-11 05:20:29

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

  • error include:spf.postal.cbox.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.cbox.dk verify-srwsbkv6.ssl.on-forge.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

81ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412017200
Primary NS (MNAME)mary.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-05 04:39:30
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2002-05-03
Expires2027-06-30 (255d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
45ms
MX
42ms
AAAA
46ms
TXT
214ms
CAA
48ms
HTTPS
50ms
TLSA
118ms
SOA
0ms
MTA-STS
83ms
DNSSEC
81ms
SRV
74ms
Total
1620ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-11 05:20:29 2472ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-08 23:31:08 523ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-08 09:15:16 3082ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-04 06:12:10 780ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 06:00:00 573ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 03:25:12 710ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 13:38:05 2128ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-28 13:31:22 1203ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 12:56:45 946ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 12:37:16 889ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 12:04:16 956ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-19 00:35:09 913ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-07 10:31:39 774ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 08:15:05 1000ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-21 10:15:38 8918ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-12 18:17:22 shown 1620ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-06 11:23:15 1811ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-02 17:52:11 1573ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-30 21:09:40 1532ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-23 01:19:05 9646ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-21 21:00:05 9365ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-13 13:20:42 10785ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-11 05:12:14 10397ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-08 15:31:31 1351ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-07 05:01:17 1541ms 2 NS 2 A 1 MX ❓ Unknown
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