Free · no account
Four small products that answer one question each.
Run them on anything you own. They are the same checks Monitor runs on a schedule, this is just the one-off version. If we find a problem, we tell you exactly how to fix it, free.
- SSL certificate checkerFull chain, issuer, and the exact day it stops being trusted.
- DNS lookup & checkerA, AAAA, MX, NS and TXT as the internet actually sees them.
- Domain expiry checkerRegistrar, expiry, and whether renewal can complete.
- SPF & DMARC checkerWhether someone can send mail as you today, in plain language.
Free · no account
Four small products that answer one question each.
Run them on anything you own. They are the same checks Monitor runs on a schedule, this is just the one-off version. If we find a problem, we tell you exactly how to fix it, free.
Full chain, issuer, and the exact day it stops being trusted.
- Issuer
- Let's Encrypt R11
- Chain
- 3 deep · complete
- Expires
- 2026-11-03
A, AAAA, MX, NS and TXT as the internet actually sees them.
- A
- 104.18.32.7
- MX
- aspmx.l.google.com
- NS
- cloudflare · 4
Registrar, registration date, expiry, and whether renewal can complete.
- Registrar
- GoDaddy
- Expires
- 2026-08-30
- Auto-renew
- disabled
Whether someone can send mail as you today, in plain language.
- SPF
- pass · 1 include
- DKIM
- pass · 2048-bit
- DMARC
- p=none
Stop checking by hand.
VigilDog runs all four of these across every domain you manage, around the clock, and warns you about two weeks before anything breaks.
Your first domain is free forever