Skip to content
Navigation menu
Search
Powered by Algolia
Search
Log in
Create account
Forem
Close
#
dns
Follow
Hide
Posts
Left menu
đź‘‹
Sign in
for the ability to sort posts by
relevant
,
latest
, or
top
.
Right menu
SSH Login Delays: The 10-Second Wait That Drives Us Crazy
Schiff Heimlich
Schiff Heimlich
Schiff Heimlich
Follow
May 25
SSH Login Delays: The 10-Second Wait That Drives Us Crazy
#
ssh
#
dns
#
devops
#
sysadmin
Comments
Add Comment
2 min read
Lets Encrypt DNS Challenge with Traefik and AWS Route 53
Kasun de Silva
Kasun de Silva
Kasun de Silva
Follow
May 25
Lets Encrypt DNS Challenge with Traefik and AWS Route 53
#
route53
#
dns01
#
letsencrypt
#
dns
Comments
Add Comment
3 min read
SPF record syntax explained: a practical guide for developers
InboxGreen
InboxGreen
InboxGreen
Follow
May 23
SPF record syntax explained: a practical guide for developers
#
email
#
webdev
#
dns
#
tutorial
Comments
Add Comment
3 min read
What Really Happens When You Type a URL in Your Browser?
Narendra | SRE
Narendra | SRE
Narendra | SRE
Follow
May 23
What Really Happens When You Type a URL in Your Browser?
#
networking
#
cloud
#
dns
#
linux
Comments
Add Comment
2 min read
DMARC Is Now a Proper Internet Standard: What Changed in RFC 9989/9990/9991
Mike Pultz
Mike Pultz
Mike Pultz
Follow
May 22
DMARC Is Now a Proper Internet Standard: What Changed in RFC 9989/9990/9991
#
email
#
security
#
dns
#
webdev
1
 reaction
Comments
Add Comment
4 min read
DNS security in 2026: 10 things developers get wrong
Ayi NEDJIMI
Ayi NEDJIMI
Ayi NEDJIMI
Follow
May 22
DNS security in 2026: 10 things developers get wrong
#
security
#
dns
#
devops
#
webdev
Comments
Add Comment
5 min read
DNS: The SRE's Most Underrated Skill
Samson Tanimawo
Samson Tanimawo
Samson Tanimawo
Follow
May 21
DNS: The SRE's Most Underrated Skill
#
sre
#
devops
#
dns
#
networking
Comments
Add Comment
2 min read
I corrected my AI email security analysis — 4 companies have real gaps
John Leslie
John Leslie
John Leslie
Follow
May 21
I corrected my AI email security analysis — 4 companies have real gaps
#
security
#
email
#
dns
#
ai
1
 reaction
Comments
Add Comment
4 min read
Setting Up Custom Domain Email with SPF, DKIM, and DMARC
Khadirullah Mohammad
Khadirullah Mohammad
Khadirullah Mohammad
Follow
May 19
Setting Up Custom Domain Email with SPF, DKIM, and DMARC
#
dns
#
email
#
security
#
cloudflare
Comments
Add Comment
16 min read
26 of 39 AI Companies Use SPF Softfail — Their Email Can Be Spoofed
John Leslie
John Leslie
John Leslie
Follow
May 20
26 of 39 AI Companies Use SPF Softfail — Their Email Can Be Spoofed
#
security
#
dns
#
email
#
ai
Comments
1
 comment
2 min read
How to Connect a Namecheap Domain to a DigitalOcean Droplet with Nginx
Tahsin Abrar
Tahsin Abrar
Tahsin Abrar
Follow
May 16
How to Connect a Namecheap Domain to a DigitalOcean Droplet with Nginx
#
nginx
#
dohackathon
#
dns
#
webdev
5
 reactions
Comments
Add Comment
6 min read
How to get a free city.state.us domain for side projects
Alan West
Alan West
Alan West
Follow
May 14
How to get a free city.state.us domain for side projects
#
dns
#
webdev
#
networking
#
sysadmin
Comments
Add Comment
5 min read
How to set up DKIM for Zoho Mail
S. Afsan
S. Afsan
S. Afsan
Follow
May 13
How to set up DKIM for Zoho Mail
#
email
#
dns
#
dkim
#
zoho
Comments
Add Comment
5 min read
DNSSEC: The Developer's Setup Guide (2026)
Regő Botond Ronyecz
Regő Botond Ronyecz
Regő Botond Ronyecz
Follow
May 9
DNSSEC: The Developer's Setup Guide (2026)
#
security
#
dns
#
devops
#
webdev
Comments
Add Comment
5 min read
How DNS Resolution Works: From `dig . NS` to Your Browser Loading Google
Janmejai Singh
Janmejai Singh
Janmejai Singh
Follow
May 9
How DNS Resolution Works: From `dig . NS` to Your Browser Loading Google
#
dns
#
networking
#
webdev
#
linux
5
 reactions
Comments
Add Comment
7 min read
đź‘‹
Sign in
for the ability to sort posts by
relevant
,
latest
, or
top
.
We're a blogging-forward open source social network where we learn from one another
Log in
Create account