greatchallengegroup.com

SOA

Primary NS

Mailbox

dns.cloudflare.com

Serial

2411686932

Refresh

10000

Retry

2400

Expire

604800

Minimum TTL

1800

NS

MX

TXT

linkedin-site-verification=8393b619-82cc-4694-9f0a-fcd86f5818b6

v=spf1 include:spf.protection.outlook.com -all

A

AAAA

Certificate Transparency Statistics

Total Certificates: 0

Total Domains: 0

Query Time: N/A

Hostname results link to the full Cert Search surface for deeper exploration.

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IPs	Origin AS	Announcement	Description
104.21.47.196	AS13335	104.21.32.0/19	Cloudflare, Inc.
104.21.47.196	AS13335	104.21.32.0/20	Cloudflare, Inc.
172.67.172.39	AS52925	172.67.0.0/16	Ascenty Data Centers e Telecomunicações S/A
172.67.172.39	AS13335	172.67.160.0/20	Cloudflare, Inc.
2606:4700:3034::6815:2fc4, 2606:4700:3036::ac43:ac27	AS13335	2606:4700:3030::/44	Cloudflare, Inc.
2606:4700:3034::6815:2fc4	AS13335	2606:4700:3034::/48	Cloudflare, Inc.
2606:4700:3036::ac43:ac27	AS13335	2606:4700:3036::/48	Cloudflare, Inc.

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