cbox.dk

📜 Historical scan 2026-09-23 12:04:16 · ← 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
mary.ns.cloudflare.com	108.162.192.134 172.64.32.134 173.245.58.134 2606:4700:50::adf5:3a86 2803:f800:50::6ca2:c086 2a06:98c1:50::ac40:2086	mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
todd.ns.cloudflare.com	108.162.193.146 172.64.33.146 173.245.59.146 2606:4700:58::adf5:3b92 2803:f800:50::6ca2:c192 2a06:98c1:50::ac40:2192	todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	142.251.1.26 142.251.1.27 172.253.130.26 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 2a00:1450:4010:c1c::1a 2a00:1450:4010:c1c::1b 2a00:1450:4010:c1e::1a 64.233.162.26 64.233.162.27	lb-in-f26.1e100.net lb-in-f27.1e100.net yulppbn-in-f26.1e100.net lj-in-f26.1e100.net lj-in-x1a.1e100.net la-in-f26.1e100.net la-in-f27.1e100.net lb-in-f26.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.cbox.dk → 91.99.15.241
🔶 Autoconfig	mail.cbox.dk → 91.99.15.241

🔷 AAAA Records (IPv6)#

2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:2b6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:8189	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.182,172.67.129.137 ech=AEX+DQBBMwAgACAxtLnJA3JeWOvRAXvRuISJz2VfdEGCUCf/6j58btACHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:2b6,2606:4700:3036::ac43:8189

🔌 SRV Records#

2 records 86ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	1	443	mail.cbox.dk
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 222ms

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#

Policy	Record (cbox.dk)
-all (hard fail)	v=spf1 include:_spf.protonmail.ch include:spf.mtasv.net include:_spf.google.com include:spf.postal.cbox.dk -all

📨 DMARC#

Policy	Record (_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

www	104.21.2.182 172.67.129.137 2606:4700:3034::6815:2b6 2606:4700:3036::ac43:8189 (AS13335) (address records, no CNAME)
www vs bare domain	Same network cbox.dk: 104.21.2.182 172.67.129.137 2606:4700:3034::6815:2b6 2606:4700:3036::ac43:8189 (AS13335) www.cbox.dk: 104.21.2.182 172.67.129.137 2606:4700:3034::6815:2b6 2606:4700:3036::ac43:8189 (AS13335)
Wildcard	No

🔎 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#

Type	Name	Value
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#

128ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415289537
Primary NS (MNAME)	mary.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 04:39:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-05-03
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

37ms

46ms

AAAA

48ms

TXT

222ms

CAA

37ms

HTTPS

31ms

TLSA

103ms

SOA

0ms

MTA-STS

69ms

DNSSEC

128ms

SRV

86ms

Total

956ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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	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