grammarly.net
Observed Jul 18, 2026, 12:46 UTC (12h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onAmazon
Secured byAmazon
Registered withMarkMonitor Inc.
1 subdomain · tranco_5k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat grammarly.net actually stands on - every host below is a signed observation
grammarly.net
A / AAAA
3.219.6.71100.27.66.4254.84.75.133
Amazonserves the site
NS
ns-1254.awsdns-28.orgns-1543.awsdns-00.co.ukns-278.awsdns-34.comns-991.awsdns-59.net
awsdns-28.org + awsdns-00.co.uk + moreanswers its DNS
TLS
grammarly.net
Amazonissued its certificate
DNS Records
A 3
3.219.6.71100.27.66.4254.84.75.133
TXT 1
v=spf1 -all
NS 4
ns-1254.awsdns-28.orgns-1543.awsdns-00.co.ukns-278.awsdns-34.comns-991.awsdns-59.net
SOA 1
ns-1543.awsdns-00.co.uk awsdns-hostmaster.amazon.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
grammarly.net |
C=US, O=Amazon, CN=Amazon RSA 2048 M04 | Thu, 01 Oct 2026 23:59:59 +0000 |
Amazon RSA 2048 M04 |
C=US, O=Amazon, CN=Amazon Root CA 1 | Fri, 23 Aug 2030 22:26:35 +0000 |
Amazon Root CA 1 |
C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 | Thu, 31 Dec 2037 01:00:00 +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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
cc9c58e1-ea88-45de-95ba-9bca82d0b3f8- Output Hash
0792f87648435fffd5fd8fa2b4bdc467df838a71d564c382120c56ec9da1ae94- Signature
ed25519:c0468072bb6a503bdb8bb37e1c4e5dfe2a16674749a452daee107c6b0ad34afaadc8bfbf9993121037aa5846303c87253a0a12fef213b4b9fb8654e9f0e53e0a- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast