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sresd.org

.org crawl

First seen 2026-05-31 · Last seen 2026-05-31 · pending HTTP 403 crawled 2026-05-31

US · 64.236.66.23 · AS8075 Microsoft Corporation

Reputation 92/100 weak subdomain policy

http 403

DNS records live

NS
  • drake.ns.cloudflare.com
  • lovisa.ns.cloudflare.com
MX
  • 0 sresd-org.mail.protection.outlook.com
Verified for
  • Apple
  • Atlassian

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:_spf.google.com a:s-relay.sresd.org ip4:136.228.47.50 include:customerspf.schoolmessenger.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:nsgadmin@sresd.org; ruf=mailto:nsgadmin@sresd.org; sp=none; ri=86400
policy: reject (enforced) · sp=none
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCJgjLsAMcno/C4WBdKq7Ozs9duhXS/1ycVzCJUND9YtSKeSbHk9rJ5Uh2C+p7C91+/r3IaRySedghyMRsdXN…
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDea3J2EQ5F2PG6v5Y1O/fMtUXX6vNsT9Cm17YVpL9KXdU3ztOk1cPL7CD4stsKxwanEPAjHroSieHEBxF3hS…
selectors probed

Certificate (current)

R12
from 2026-05-03 to 2026-08-01
Expires in 61 days

Full certificate history on crt.sh ↗

Linked from (1)