#RFCS
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nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 4:08 PM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 3:07 PM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 2:07 PM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 1:08 PM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 12:07 PM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 11:07 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 10:07 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 9:07 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 8:07 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 7:07 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 6:07 AM
oowm.org
Just set the Evil Bit geez do these people never read RFCs come on

www.rfc-editor.org/info/rfc3514/
RFC 3514: The Security Flag in the IPv4 Header | RFC Editor
Firewalls, packet filters, intrusion detection systems, and the like often have difficulty distinguishing between packets that have malicious intent and those that are merely unusual. We define a sec...
www.rfc-editor.org
September 29, 2026 at 5:39 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 5:07 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 4:07 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 3:07 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 2:08 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 1:07 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 29, 2026 at 12:07 AM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 28, 2026 at 11:08 PM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 28, 2026 at 10:08 PM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 28, 2026 at 9:07 PM
mastodon.samedwards.ca
Update: Nope, still fighting with postfix. Or more specifically, the interaction between Microsoft and postfix and various mail RFCs.
September 28, 2026 at 8:35 PM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 28, 2026 at 8:07 PM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 28, 2026 at 7:07 PM
nicheof.one
DMARC Grew New Teeth Without Breaking the Old Ones
https://nicheof.one/feed/dmarc-grew-new-teeth/
DMARC Grew New Teeth Without Breaking the Old Ones
TL;DR: DMARC’s 2026 standards update keeps existing records working while replacing Public Suffix List discovery with a DNS tree walk, removing pct, adding a testing flag and nonexistent-subdomain policy, and splitting reports into separate RFCs. Email authentication has a new set of manuals. Your o
nicheof.one
September 28, 2026 at 6:07 PM