sandiegosymphony.org
Observed Aug 16, 2026, 08:19 UTC (22h 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
Email byMicrosoft 365
Microsoft 365Secured byLet's Encrypt
Let's EncryptAlso usesAppleGoogle Search Console
Apple
Google Search Consoletranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for sandiegosymphony.org in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat sandiegosymphony.org actually stands on - every host below is a signed observation
sandiegosymphony.org
A / AAAA
50.112.26.21
unattributedserves the site
NS
ns53.domaincontrol.comns54.domaincontrol.com
domaincontrol.comanswers its DNS
MX
sandiegosymphony-org.mail.protection.outlook.com
Microsoft 365receives its email
TLS
sandiegosymphony.org
Let's Encryptissued its certificate
DNS Records
A 1
50.112.26.21
MX 1
0sandiegosymphony-org.mail.protection.outlook.com
TXT 7
apple-domain-verification=x7crJ3EhWuMMQyVsgoogle-site-verification=tCJYkjzzTfonRYJQtfZczH3RJTYsig8B3BtNsnV8thoMS=ms92058151v=spf1 include:cl2srwtivc.powerspf.com ~allgoogle-site-verification=J0LGCG0Yt5t8FLN32DReJmHz5eumoq55zTrdkofq3xcCLV1G4HNO3JU8ZS7GAXEJQ9MHZII7Y6NEXKJQFJTTasv=3784d444382ac235d740d6ea37fef418
NS 2
ns53.domaincontrol.comns54.domaincontrol.com
SOA 1
ns53.domaincontrol.com dns.jomax.net
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:k4chjbmadq@rua.powerdmarc.com,mailto:dmarc-reports@sandiegosymphony.org; ruf=mailto:k4chjbmadq@ruf.powerdmarc.com,mailto:dmarc-forensic@sandiegosymphony.org; fo=1;
BIMI_RECORDS 1
v=BIMI1;l=;
MTA_STS_RECORDS 1
v=STSv1; id=20260615145349309770;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
sandiegosymphony.org |
C=US, O=Let's Encrypt, CN=YR2 | Mon, 09 Nov 2026 12:18:30 +0000 |
YR2 |
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_2942c52ec6784222- Output Hash
c672d0b6f74c6630baf8485b1154f200ae882e13a486d16e90d26d043cd90ebe- Signature
ed25519:a171db1de6144bd3a5ab18f6170faaef99874103bf6905d4abfb6a51e2a010484e79e6ecbae56e7fef5517732eb1d108d6a8c9ec7b6ca801c601f5088a35a40d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast