opencourser.com - bgp.he.net

SOA

Primary NS

Mailbox

dns.cloudflare.com

Serial

2413541837

Refresh

10000

Retry

2400

Expire

604800

Minimum TTL

1800

NS

MX

TXT

brave-ledger-verification=a6213e0625a6ba4ffd3deacbd07180ffc20365197ddaa91ec540f6654b3dca35

google-site-verification=tVJmd2uYV0Ea1jIQa3UqlA_zVOMCVjyxcNmQpaw1Kwo

pwa-site-verification=F38ajxIEGuvmm7k-0ki0C0ht6F3q4GAL58UGu-bm_xA=

_acme-challenge.opencourser.com TXT Bmf39A76opuyGR5GFEzvObcGn_4wAgUTxyYSwIkCYXA

v=spf1 include:mailgun.org ~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
104.21.65.196	AS13335	104.21.64.0/19	Cloudflare, Inc.
104.21.65.196	AS13335	104.21.64.0/20	Cloudflare, Inc.
172.67.165.128	AS52925	172.67.0.0/16	Ascenty Data Centers e Telecomunicações S/A
172.67.165.128	AS13335	172.67.160.0/20	Cloudflare, Inc.
2606:4700:3032::6815:41c4, 2606:4700:3032::ac43:a580	AS13335	2606:4700:3030::/44	Cloudflare, Inc.
2606:4700:3032::6815:41c4, 2606:4700:3032::ac43:a580	AS13335	2606:4700:3032::/48	Cloudflare, Inc.

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