mdbilling.ca
Observed Aug 16, 2026, 14:58 UTC (6h 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
Google WorkspaceSecured bySectigo
SectigoAlso usesMicrosoft 365Google Search Console
Microsoft 365
Google Search Console5 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat mdbilling.ca actually stands on - every host below is a signed observation
mdbilling.ca
A / AAAA
23.53.11.13623.53.11.146
unattributedserves the site
NS
ns7.ultradns2.comns7.ultradns2.orgedns3.ultradns.bizedns3.ultradns.com+2 more
ultradns2.com + ultradns2.org + moreanswers its DNS
MX
alt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.commail.mdbilling.ca+2 more
Google Workspacereceives its email
TLS
esign.rbcwealthmanagement.com
Sectigo Limitedissued its certificate
DNS Records
A 2
23.53.11.13623.53.11.146
MX 6
5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com5aspmx.l.google.com10mail.mdbilling.ca10aspmx2.googlemail.com10aspmx3.googlemail.com
TXT 9
1b2gc8qkfpng62bfac87g6h2q2r624h28muout6l7p22clvuggtu_fpu78vwn4mcedzydx53if91wd38yur6MS=0AAD49EBB478A8429B338340053617A584F903F5google-site-verification=7dz1fCsiFrhKbqQWXN9SGZS4N0nD8ESjSDeziUbhEJggoogle-site-verification=8cX30E818tdl9tU2RDFdPC1S9bnEta5qZ7nTpvNEe_0google-site-verification=lAhMxDMt8oj0MC9AptPX6OAJhxSzHibQ4MuaAbpzs38google-site-verification=rckV9UkH30Jq3rULXW_INyUqJsn2JXvtUioHDJHgKl4v=spf1 include:spf.mandrillapp.com include:servers.mcsv.net include:mail.zendesk.com include:_spf.google.com ~all
NS 6
ns7.ultradns2.comns7.ultradns2.orgedns3.ultradns.bizedns3.ultradns.comedns3.ultradns.netedns3.ultradns.org
SOA 1
edns3.ultradns.com premiumdns.support.neustar
DMARC_RECORDS 1
v=DMARC1;p=quarantine;rua=mailto:administrator@mdbilling.ca;ruf=mailto:administrator@mdbilling.ca;fo=1
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
esign.rbcwealthmanagement.com |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36 | Fri, 26 Feb 2027 23:59:59 +0000 |
Sectigo Public Server Authentication CA OV R36 |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 | Fri, 21 Mar 2036 23:59:59 +0000 |
Sectigo Public Server Authentication Root R46 |
C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority | Mon, 18 Jan 2038 23:59:59 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_286ee1326eff1781- Output Hash
eb8c88be18f855e1e5cc7a40ff8276d88b25187551eff6de202b590ce9232d40- Signature
ed25519:f5e7c394e6fff1a59a9454c7cfe737d17d23cd209d8f9bcb804a9c8a4f4ef36781330cd9ff11bd0c07d5e09bfc6546487993a66cb0d47f692fbbc75080d9c90f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast