sbcss.k12.ca.us

Observed Aug 12, 2026, 04:27 UTC (6d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of sbcss.k12.ca.us was taken 6d ago

sbcss.k12.ca.us is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting sbcss.k12.ca.us under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch sbcss.k12.ca.us Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Up right now
Runs onCloudflare
Email byMimecast
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for sbcss.k12.ca.us in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.

INFRASTRUCTURE MAPwhat sbcss.k12.ca.us actually stands on - every host below is a signed observation
sbcss.k12.ca.us
A / AAAA
104.17.71.73
Cloudflareserves the site
NS
ns1-09.azure-dns.comns2-09.azure-dns.netns3-09.azure-dns.orgns4-09.azure-dns.info
azure-dns.com + azure-dns.net + moreanswers its DNS
MX
usb-smtp-inbound-1.mimecast.comusb-smtp-inbound-2.mimecast.com
Mimecastreceives its email
TLS
sbcss.k12.ca.us
Let's Encryptissued its certificate

DNS Records

A 1

  • 104.17.71.73

MX 2

  • 10usb-smtp-inbound-1.mimecast.com
  • 10usb-smtp-inbound-2.mimecast.com

TXT 7

  • San Bernardino County Supt of Schools
  • 601 North E Street
  • San Bernardino, CA 92415-0020
  • (909) 381-8585
  • v=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.constantcontact.com include:servers.mcsv.net ip4:163.150.1.0/24 ip4:163.150.162.0/24 -all
  • google-site-verification=X1OSJkNrku-HTIkoKimvTgt5MHJcANT1SHE0rTBlQ-Y
  • _rh8yn3x1blj9obpzcn02wbzijq497mw

NS 4

  • ns1-09.azure-dns.com
  • ns2-09.azure-dns.net
  • ns3-09.azure-dns.org
  • ns4-09.azure-dns.info

SOA 1

  • ns1-09.azure-dns.com noc.sbcss.k12.ca.us

DMARC_RECORDS 1

  • v=DMARC1; p=reject; rua=mailto:4271265aead7084@rep.dmarcanalyzer.com; ruf=mailto:4271265aead7084@for.dmarcanalyzer.com; fo=1;

TLS Certificates (4)

Common NameIssuerExpires
sbcss.k12.ca.us C=US, O=Let's Encrypt, CN=YE1 Sun, 04 Oct 2026 06:49:55 +0000
YE1 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (0)

None observed.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_2d99a8155e0d661f
Output Hash
cf38e484830bf5c9ae44c8663fb9abd3b295b3b7d9ab69b0fccdb3acf6ee8e68
Signature
ed25519:c9a023f693c9d44b838c56a2b88da76306682255c0454160b310c75deaca7baac32ca5aad278674928da96faebf07352e29938eff0896a528c7683c548226703
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT41,319 material changesacross 38,261 domains · 24h to ~85m ago · +68 vs yesterdayROTATION80 domains moved DNS from magpiedns.com to kirklanddc.com, 80 moved backa rotation loop, not a migration · 24hEMAIL DRIFT7 domains switched email provider24hNOW489 curated domains not reachablelast probe, steadySITE ERRORS33,767 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,245 sites429 rate-limit / 403 bot-block, a posture signal