yellowbook.com
Observed Aug 2, 2026, 18:43 UTC (5h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Runs onAmazon
Email byMicrosoft 365
Secured byAmazon
Registered withCSC Corporate Domains, Inc.
Also usesGoogle Search Console
5 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yellowbook.com actually stands on - every host below is a signed observation
yellowbook.com
A / AAAA
13.33.252.4713.33.252.6813.33.252.8313.33.252.60
Amazonserves the site
NS
ns-1113.awsdns-11.orgns-2039.awsdns-62.co.ukns-3.awsdns-00.comns-968.awsdns-57.net
awsdns-11.org + awsdns-62.co.uk + moreanswers its DNS
MX
yellowbook-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.yellowbook.com
Amazonissued its certificate
DNS Records
A 4
13.33.252.4713.33.252.6813.33.252.8313.33.252.60
MX 1
0yellowbook-com.mail.protection.outlook.com
TXT 7
MS=ms74353619apple-domain-verification=OChEKpzpWENouxrPgoogle-site-verification=2FNimIaeJL5S4x-EXQwdWOyF_aSNepgsMK0z_9KWbrEgoogle-site-verification=7BCPM8CxKrtX3nJ_Fx-SmnzwgXcjZ9Zt_RQXE_I91GUi0TXAUOFIB+iUxx8aj76h/XESrqYkSRroxMZkC5PoIk+cwJP7usdVo3TzKG/fsYvD4r90zycpeJnOJGekSFwkQ==u5ysnLpj1aop8flT3CdvEVBSGzlobCAqseyeHrA9+y7NuuF5Ja+Z1k2CzCk6GXTZcgc+jOhizXID7zDYdqMfsA==v=spf1 ip4:12.111.223.1/24 ip4:64.199.226.1/24 include:spf.protection.outlook.com ~all
NS 4
ns-1113.awsdns-11.orgns-2039.awsdns-62.co.ukns-3.awsdns-00.comns-968.awsdns-57.net
SOA 1
ns-3.awsdns-00.com awsdns-hostmaster.amazon.com
DMARC_RECORDS 1
v=DMARC1; p=reject; rua=mailto:8ojchm2q@ag.dmarcian.com;ruf=mailto:8ojchm2q@fr.dmarcian.com;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.yellowbook.com |
C=US, O=Amazon, CN=Amazon RSA 2048 M04 | Wed, 10 Feb 2027 23:59:59 +0000 |
Amazon RSA 2048 M04 |
C=US, O=Amazon, CN=Amazon Root CA 1 | Fri, 23 Aug 2030 22:26:35 +0000 |
Amazon Root CA 1 |
C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 | Thu, 31 Dec 2037 01:00:00 +0000 |
Subdomains (5)
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
rcpt_a9fe1f66120f73ff- Output Hash
df93ff67a0d45995157a1edfc776a4442cb28f26af6574f4c75a9d78f23f8511- Signature
ed25519:f278321bf2d5b6712b6c72c8a87d88e8cfd1abdbf5c7acd3fdcf1790ef51e0f039ab669034a58ebc96c17fba95bcb57549665f72b112221f085c119154f4860c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast