ul.com
Observed 2026-07-13T01:09:43.359Z (12h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
Registered withNetwork Solutions, LLC
Also usesMiroDockerAtlassianDocuSignFigmaGoogle Search Console
IPv6 · 12 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ul.com actually stands on - every host below is a signed observation
ul.com
A / AAAA
23.185.0.42620:12a:8001::42620:12a:8000::4
Cloudflareserves the site
NS
carlos.ns.cloudflare.comulla.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
ul-com.mail.protection.outlook.com
Microsoft 365receives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://www.ul.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time523 ms
DNS resolutionNOERROR
Redirect chain
https://www.ul.com/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
23.185.0.4
AAAA 2
2620:12a:8001::42620:12a:8000::4
MX 1
0ul-com.mail.protection.outlook.com
TXT 30
v=spf1 mx ip4:12.32.81.100 ip4:12.32.81.172 ip4:38.142.64.130 include:spf.protection.outlook.com ~allmiro-verification=dbb26ddf6929b25347fbe031be4bf1ef357ee3c0adobe-idp-site-verification=4df6e249fa302c36737e197df5a07b86f7a2912de319a82411daf46f427bb916docker-verification=740e233c-fa7b-4754-9f83-7e63156a8a65atlassian-domain-verification=Er/1vFeKCgT3HBTmn0XLa9W1Sit4XUBejOL2aVj3aZstquVEJ00dZDG5FfR4SQFaapple-domain-verification=OFjBXbeCi8NhZgQJufe8g4u2phcsj1s5ku6761n3cm_94kdqa1jd3gl0h1e83oqz7e2cy4j2od00D300000000QxT=1TBPQ00000002cw00D30000001I4Ud=1TBQo00000003qk
NS 2
carlos.ns.cloudflare.comulla.ns.cloudflare.com
SOA 1
carlos.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (0)
None.
Subdomains (12)
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
466d17b1-d411-47dc-a333-3292cbfff42f- Output Hash
85492811822f89abb5897b0add3ab1f676aca4bd5f8d203a77df4f90a764bc74- Signature
ed25519:df6a387d439e25f1e7dcd88a999d08f9fdb73d9ff30f4e99ba398e24142ef4e1f88ed9cff19b9e7c16eda73d300e1d8bfed682f6f0dcb5a172abb7dc76a3cf0a- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast