qsc.com
Observed Jul 17, 2026, 15:19 UTC (1d 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.com10mxb-002ab301.gslb.pphosted.com
TXT 26
infoblox-domain-mastery=2f9cccf435a1d7c6e8d06acd18edceb205422f53cb2d4c14f4572778de8e7dbf7dwiz-domain-verification=d508d68b3c41e6c67dd6d2183cd3c28c72758367c33afa3b5f0429d3a7b61e77teamviewer-sso-verification=80dec2cf17d045e58a6f70ea2b117757hUAo70xyOXK3zGqwNG8V/3wL5onnirDVjGhuGazHxbZb8IacDrAcScKqgCJVBtu7xl9/hhVNLOtpH8Ld8wDZWg==google-site-verification=yDQ2LtqwN9rSFP5vtGLc8x5hJe2xxKbMJQNvNe-yTQ8google-site-verification=BFd6Qvtbh_NBtK6zZiH3RpbHkSauFWur6MQceS1L18Agoogle-site-verification=4MHarbkzvr5LpKUA1MqN5IVjEqLODaawoSF-cXhFs9Yglobalsign-domain-verification=bHojGNsqkFG0Zbp2LpOOUDXxgdx7_zzNZbRRSzmdPffigma-domain-verification=ac5510076eb19d0713205c7c9b88aaa2cd1b34bc9e3705a477b10150c150d216-1733924059docusign=30ca57db-497c-4b32-82b3-77f24f3a9cdd
NS 3
dns.lithonia.comns2.acuitybrands.comns1.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 Name | Issuer | Expires |
|---|---|---|
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 receiptEd25519 Receipt
- Receipt ID
b54a05d1-cc9a-4c4e-a27e-033ad691ea5b- Output Hash
bf0abe48e056be26802f90778c1b85133e207bd149032d7383577e2d1fdfccff- Signature
ed25519:accef2425db102a8cad3bf2a4ce6a15dc1c8d4765e1870e1f929e1996da10ef4d04a8f3687028f22697656c37105c8af8886ed2ac73906e6d507243e2c76e00a- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast