co2web.dk

📜 Historical scan 2026-08-26 21:54:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

co2web.dk is a .dk domain served by 2 nameservers (emily.ns.cloudflare.com, jermaine.ns.cloudflare.com). It was registered on 10 November 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.125 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
emily.ns.cloudflare.com	108.162.192.155 172.64.32.155 173.245.58.155 2606:4700:50::adf5:3a9b 2803:f800:50::6ca2:c09b 2a06:98c1:50::ac40:209b	emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jermaine.ns.cloudflare.com	108.162.195.157 162.159.44.157 172.64.35.157 2606:4700:58::a29f:2c9d 2803:f800:50::6ca2:c39d 2a06:98c1:50::ac40:239d	jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.62.125	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.198	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.223.198
🔶 Autoconfig	172.67.223.198

🔷 AAAA Records (IPv6)#

2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:3e7d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:dfc6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.125,172.67.223.198 ech=AEX+DQBB5AAgACABapd4L/jVNdxaf0gluT2G7/56pQYsISi2KEnoFpT2AgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3e7d,2606:4700:3036::ac43:dfc6

📝 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 2026-10-10 05:11:20

www	104.21.62.125 172.67.223.198 2606:4700:3030::6815:3e7d 2606:4700:3036::ac43:dfc6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network co2web.dk: 104.21.62.125 172.67.223.198 2606:4700:3030::6815:3e7d 2606:4700:3036::ac43:dfc6 (AS13335) www.co2web.dk: 104.21.62.125 172.67.223.198 2606:4700:3030::6815:3e7d 2606:4700:3036::ac43:dfc6 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.co2web.dk	RjtqLgQ99187h7NIytZ46p8shAWUkapOm8vcNI8AYTM
TXT	_acme-challenge.co2web.dk	sJM_xmR0QmG2ZmclBnT-_rHGWdmEbk6sajnYMhGrFJo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

90ms

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	2413243604
Primary NS (MNAME)	emily.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 00:49:03

Field	Value
Registrar	Simply.com A/S
Registered	2020-11-10
Expires	2026-11-30 (43d)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

42ms

49ms

AAAA

55ms

TXT

227ms

CAA

60ms

HTTPS

50ms

TLSA

88ms

SOA

0ms

MTA-STS

81ms

DNSSEC

90ms

SRV

83ms

Total

1405ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-18 11:52:12	1078ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-29 17:28:01	1068ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 05:38:41	577ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 21:54:56 shown	1405ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-20 18:43:05	788ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 17:35:08	1884ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 21:36:41	2371ms	2 NS 2 A 0 MX	🔓 Insecure