CONTINUOUS INTERNET TELEMETRY24H DRIFT1,942 material changesacross 1,745 domains · -136 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination alidns.com · +1 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT46 domains switched issuing CA24hNOW1,734 curated domains not answering+608 vs yesterdayERRORS12,428 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED33,750 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,942 material changesacross 1,745 domains · -136 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination alidns.com · +1 vs yesterdayEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT46 domains switched issuing CA24hNOW1,734 curated domains not answering+608 vs yesterdayERRORS12,428 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED33,750 throttled or blocked our scanner429 rate-limit / 403 bot-block

qsc.com

Observed Jul 17, 2026, 15:19 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Email byProofpoint
Secured byLet's Encrypt
Also usesGoogle Search ConsoleFigmaDocuSignAtlassianMiro
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat qsc.com actually stands on - every host below is a signed observation
qsc.com
A / AAAA
76.76.21.21
unattributedserves the site
NS
dns.lithonia.comns2.acuitybrands.comns1.acuitybrands.com
lithonia.com + acuitybrands.comanswers its DNS
MX
mxa-002ab301.gslb.pphosted.commxb-002ab301.gslb.pphosted.com
Proofpointreceives its email
TLS
qsc.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 76.76.21.21

MX 2

  • 10mxa-002ab301.gslb.pphosted.com
  • 10mxb-002ab301.gslb.pphosted.com

TXT 26

  • infoblox-domain-mastery=2f9cccf435a1d7c6e8d06acd18edceb205422f53cb2d4c14f4572778de8e7dbf7d
  • wiz-domain-verification=d508d68b3c41e6c67dd6d2183cd3c28c72758367c33afa3b5f0429d3a7b61e77
  • teamviewer-sso-verification=80dec2cf17d045e58a6f70ea2b117757
  • hUAo70xyOXK3zGqwNG8V/3wL5onnirDVjGhuGazHxbZb8IacDrAcScKqgCJVBtu7xl9/hhVNLOtpH8Ld8wDZWg==
  • google-site-verification=yDQ2LtqwN9rSFP5vtGLc8x5hJe2xxKbMJQNvNe-yTQ8
  • google-site-verification=BFd6Qvtbh_NBtK6zZiH3RpbHkSauFWur6MQceS1L18A
  • google-site-verification=4MHarbkzvr5LpKUA1MqN5IVjEqLODaawoSF-cXhFs9Y
  • globalsign-domain-verification=bHojGNsqkFG0Zbp2LpOOUDXxgdx7_zzNZbRRSzmdPf
  • figma-domain-verification=ac5510076eb19d0713205c7c9b88aaa2cd1b34bc9e3705a477b10150c150d216-1733924059
  • docusign=30ca57db-497c-4b32-82b3-77f24f3a9cdd

NS 3

  • dns.lithonia.com
  • ns2.acuitybrands.com
  • ns1.acuitybrands.com

SOA 1

  • cdc-gridmaster.acuitylightinggroup.com datasecurity.acuitybrands.com

CAA 4

  • issuewild "digicert.com"
  • issue "letsencrypt.org"
  • issue "digicert.com"
  • issue "pki.goog"

TLS Certificates (3)

Common NameIssuerExpires
qsc.com C=US, O=Let's Encrypt, CN=YR1 Tue, 29 Sep 2026 05:56:32 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR 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; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for qsc.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for qsc.com <a href="https://domaindrift.io/t/qsc.com"> <img src="https://domaindrift.io/badge/qsc.com.svg" width="300" height="64" alt="DomainDrift signed observations for qsc.com"> </a>

Ed25519 Receipt

Receipt ID
b54a05d1-cc9a-4c4e-a27e-033ad691ea5b
Output Hash
bf0abe48e056be26802f90778c1b85133e207bd149032d7383577e2d1fdfccff
Signature
ed25519:accef2425db102a8cad3bf2a4ce6a15dc1c8d4765e1870e1f929e1996da10ef4d04a8f3687028f22697656c37105c8af8886ed2ac73906e6d507243e2c76e00a
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser