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Four BIND 9 flaws, no workarounds: planning for a resolver that cannot fail over
OnaEiuspkz
OnaEiuspkz
OnaEiuspkz
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Oct 25
Four BIND 9 flaws, no workarounds: planning for a resolver that cannot fail over
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bind9
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dns
#
cve202694300
#
cve202697313
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1
 comment
4 min read
19.4 million BIND fingerprints, and the two facts a scan cannot tell you about CVE-2026-94300
Ioneyrezende
Ioneyrezende
Ioneyrezende
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Oct 25
19.4 million BIND fingerprints, and the two facts a scan cannot tell you about CVE-2026-94300
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zoomeye
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bind9
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dns
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cve202694300
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4 min read
Bulk WHOIS lookup in Python with RDAP: domain age, expiry, registrar and availability (no scraping, 2026)
Datawright Labs
Datawright Labs
Datawright Labs
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Oct 24
Bulk WHOIS lookup in Python with RDAP: domain age, expiry, registrar and availability (no scraping, 2026)
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python
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dns
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api
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tutorial
1
 reaction
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2
 comments
6 min read
The DMARC Record a Small Business Should Publish First (and When to Tighten It)
Swift Labs
Swift Labs
Swift Labs
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Oct 24
The DMARC Record a Small Business Should Publish First (and When to Tighten It)
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email
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dns
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security
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tutorial
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4 min read
DMARC fails even though SPF and DKIM pass: how alignment actually works
Mogley1011
Mogley1011
Mogley1011
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Oct 24
DMARC fails even though SPF and DKIM pass: how alignment actually works
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email
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dns
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devops
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security
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2 min read
What Happens in the 50 ms Before Every Request: A Walkthrough of DNS Resolution
NXVL
NXVL
NXVL
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Oct 24
What Happens in the 50 ms Before Every Request: A Walkthrough of DNS Resolution
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dns
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networking
#
devops
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selfhosted
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8 min read
Lovable custom domain stuck on Verifying? It is almost always one of five DNS or auth settings
FixLoop
FixLoop
FixLoop
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Oct 24
Lovable custom domain stuck on Verifying? It is almost always one of five DNS or auth settings
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lovable
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dns
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supabase
#
webdev
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2 min read
How to preview a site on a new server without editing the hosts file
Romail Shah
Romail Shah
Romail Shah
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Oct 23
How to preview a site on a new server without editing the hosts file
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dns
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webdev
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wordpress
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devops
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6 min read
Outlook 550 5.7.515: "sending domain does not meet the required authentication level"
Mogley1011
Mogley1011
Mogley1011
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Oct 23
Outlook 550 5.7.515: "sending domain does not meet the required authentication level"
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email
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dns
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devops
#
security
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2 min read
Your SPF record has a limit of 10 DNS lookups. Here's how to count yours and fix it
Department of Doing Nothing
Department of Doing Nothing
Department of Doing Nothing
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Oct 23
Your SPF record has a limit of 10 DNS lookups. Here's how to count yours and fix it
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email
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dns
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webdev
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beginners
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2 min read
Check SPF, DMARC and DKIM for a list of domains in Python (bulk email DNS audit, 2026)
Datawright Labs
Datawright Labs
Datawright Labs
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Oct 23
Check SPF, DMARC and DKIM for a list of domains in Python (bulk email DNS audit, 2026)
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python
#
email
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dns
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tutorial
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6 min read
Home Lab Networking: DNS, VPN, VLANs, and Reverse Proxy Flow
FlatlinerAtheist | CLI-NERDS
FlatlinerAtheist | CLI-NERDS
FlatlinerAtheist | CLI-NERDS
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Oct 23
Home Lab Networking: DNS, VPN, VLANs, and Reverse Proxy Flow
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networking
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dns
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selfhosting
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vpn
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9 min read
Cold email infrastructure as code review: domains, inboxes, DNS and warmup
Peter Linkwell
Peter Linkwell
Peter Linkwell
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Oct 23
Cold email infrastructure as code review: domains, inboxes, DNS and warmup
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email
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dns
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devops
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webdev
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4 min read
How to Speed Up DNS Propagation and Reduce Downtime
Meghna Meghwani
Meghna Meghwani
Meghna Meghwani
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for
ServerAvatar
Oct 23
How to Speed Up DNS Propagation and Reduce Downtime
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dns
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devops
#
webdev
#
networking
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3 min read
Don't Bet Your Infrastructure on One DNS Resolver: Building a Resilient Encrypted DNS Layer with Unbound
EME GUG
EME GUG
EME GUG
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Oct 23
Don't Bet Your Infrastructure on One DNS Resolver: Building a Resilient Encrypted DNS Layer with Unbound
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dns
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devops
#
linux
#
networking
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7 min read
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