cbox.dk DNS records

🖥️ Nameservers2 records 37ms

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 Records2 records 55ms

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 Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	142.250.150.26 142.250.150.27 142.251.1.26 142.251.1.27 2a00:1450:4010:c08::1b 2a00:1450:4010:c08::1b 2a00:1450:4010:c1c::1a 2a00:1450:4010:c1c::1b 2a00:1450:4010:c1e::1b 64.233.165.26	la-in-f26.1e100.net la-in-f27.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net lg-in-x1b.1e100.net lg-in-f27.1e100.net la-in-f26.1e100.net la-in-f27.1e100.net lb-in-f27.1e100.net lg-in-f26.1e100.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 47ms

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 Records1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.182,172.67.129.137 ech=AEX+DQBBpAAgACANEvMQAXgBwVfzuGUlBKfZaE68CiirdMGu1orPSr7aVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:2b6,2606:4700:3036::ac43:8189

🔌 SRV Records2 records 78ms

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

📝 TXT Records3 records 220ms

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

🔏 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)

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2412743845
Primary NS (MNAME)	mary.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

37ms

A

55ms

MX

52ms

AAAA

47ms

TXT

220ms

CAA

33ms

HTTPS

53ms

TLSA

143ms

SOA

0ms

MTA-STS

72ms

DNSSEC

87ms

SRV

78ms

Total

1000ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 08:15:05	1000ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 10:15:38	8918ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-12 18:17:22	1620ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 11:23:15	1811ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-02 17:52:11	1573ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-30 21:09:40	1532ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-23 01:19:05	9646ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 21:00:05	9365ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-13 13:20:42	10785ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-11 05:12:14	10397ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-08 15:31:31	1351ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-07 05:01:17	1541ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-07-05 23:26:04	2291ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-04 14:46:28	3358ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-06-25 03:08:18	1445ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 22:11:37	1230ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 11:08:50	613ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 19:51:13	617ms	2 NS 1 A 1 MX	🔓 Insecure	View