vbisd.org
Observed Aug 2, 2026, 15:14 UTC (10h 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 byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat vbisd.org actually stands on - every host below is a signed observation
vbisd.org
A / AAAA
34.238.178.141
unattributedserves the site
NS
ns1-09.azure-dns.comns2-09.azure-dns.netns3-09.azure-dns.orgns4-09.azure-dns.info
azure-dns.com + azure-dns.net + moreanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
vbisd.org
Let's Encryptissued its certificate
DNS Records
A 1
34.238.178.141
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com
TXT 11
MS=ms3600000v=spf1 include:_spf.google.com include:spf.happyfox.com include:_spf.psm.knowbe4.com include:customerspf.schoolmessenger.com include:app.frevvo.com ~all5Mmi9YRjszPb44bhVBlwaJSexj7nXSn8ZaX38tOLLfGb3++t7TaHVgZHxYRJzjYB0LrW04ogp+PQcPr9THXPhg==21orjnsths9lgkvp54jvj7v0headobe-idp-site-verification=091fe7fa7abf254950f08b4c429c509720010c5d4450b912409e7022e62f825bciscocidomainverification=55e222ce262eb6ba81a2d211d1227fc426102344b284d2912cc64fd3d8e026c1google-site-verification=XKvxGJdE5rqyBnjdNVHzDfXlxlBDhJA-pT-RESCaokIapple-domain-verification=JCyKoAotl0vxWVlB81e8bjfvaavvkp46575m6r8cjqduo_sso_verification=ZE2xr2IjFNVOoMRfTANGKU5mP3TDFxLRdr43ZLIeTMjY4NzbfSHgw56Ub1U9Psz7
NS 4
ns1-09.azure-dns.comns2-09.azure-dns.netns3-09.azure-dns.orgns4-09.azure-dns.info
SOA 1
ns1-09.azure-dns.com azuredns-hostmaster.microsoft.com
SRV 2
vcs-espressway.vbisd.org:5060 p0vcs-espressway.vbisd.org:5061 p0
DMARC_RECORDS 1
v=DMARC1; p=quarantine; pct=100; rua=mailto:re+dgvwxuqulho@dmarc.postmarkapp.com; sp=none; aspf=r; adkim=r;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
vbisd.org |
C=US, O=Let's Encrypt, CN=YR1 | Wed, 07 Oct 2026 04:09:42 +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
rcpt_19d8ae64ffc990de- Output Hash
1ed3e5815193745e1ec688e27acb965e6e623399329c87f8b4d34509bb64940b- Signature
ed25519:277d58485433da66c0603f4f001dbd1dd3d8c5e1acd5da9f6396ecd0032b659e67e4bb96fe04c2f3246409f90e666ea139c7f97d3abc50680a58d1ed27580603- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast