sbcphd.org
Observed Aug 16, 2026, 11:07 UTC (2h 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 onCloudflare
CloudflareEmail byProofpoint
ProofpointSecured byLet's Encrypt
Let's EncryptRegistered withTUCOWS.COM, CO.
Also usesDocuSignKnowBe4Google Search ConsoleSmartsheetApple
DocuSign
Google Search Console
Apple1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat sbcphd.org actually stands on - every host below is a signed observation
sbcphd.org
A / AAAA
20.114.211.29
Cloudflareserves the site
NS
sbcdnsr310.co.santa-barbara.ca.ussbcdnsr110.co.santa-barbara.ca.us
ca.usanswers its DNS
MX
mxb-002d6d01.gslb.pphosted.commxa-002d6d01.gslb.pphosted.com
Proofpointreceives its email
TLS
sbcphd.org
Let's Encryptissued its certificate
DNS Records
A 1
20.114.211.29
MX 2
10mxb-002d6d01.gslb.pphosted.com10mxa-002d6d01.gslb.pphosted.com
TXT 12
phlltrqt4lcjd7v6zj3656ycxv3frvyndocusign=e8ed9011-83f3-4d98-803d-3555fcc9c93bknowbe4-site-verification=9040eb0e2e16248857f9b2b63f827b5d_lhxfg9n6r5q55wgoq19z5936v62rx451npyypk8yyd912gpzh27bnrkb3dd30w4fl78lzrds67qtwfq6xd7xgxy3c85gbssgoogle-site-verification=jrA7O7qG_GEZV8PT8qMmhKmkL13Z6WW7_WFxduoKFmMrmx4cl59n2rs6kxcm8vdy2lhvz6ffzv6v=spf1 include:spf.protection.outlook.com include:spf-002d6d01.pphosted.com ip4:161.213.63.50/29 ip4:161.213.121.10/29 ip4:128.136.37.0/24 ip4:66.179.147.160/27 ip4:66.179.102.0/25 ip4:66.179.68.0/26 ip4:139.60.0.0/22 ip4:161.213.140.114 ip4:161.213.76.114 ip4:161.213.128.82 ip4:161.213.128.83 ip4:161.213.139.67 -allsmartsheet-site-validation=--anyNtbWIR8nvKIQQaXaRSPLIMIVLW7
NS 2
sbcdnsr310.co.santa-barbara.ca.ussbcdnsr110.co.santa-barbara.ca.us
SOA 1
sbcdns111.co.santa-barbara.ca.us noemail.co.santa-barbara.ca.us
SRV 1
autodiscover.outlook.com:443 p0
DMARC_RECORDS 1
v=DMARC1; p=none; rua=mailto:dmarcreturn@sbcphd.org; adkim=s; aspf=s; pct=100; ri=86400; ruf=mailto:dmarcfail@sbcphd.org; fo=1
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
sbcphd.org |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 20 Sep 2026 03:24:46 +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 (1)
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 receiptEd25519 Receipt
- Receipt ID
rcpt_9917488a3f76ffa2- Output Hash
a5ef8eb9c971e5f6d216c40a9f07a7167c0352489b48da07378b438b0147cd73- Signature
ed25519:43fab0aa4d324f06bc5d0819fed09d1f5ebb371255f117793aa6be13b8480d22e786746fed9ea3f4373401dfa3029c9cdef99edd3df3706716e4014d82bf1506- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast