readme.io
Observed 2026-07-17T13:54:55.756087721+00:00 (9h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search ConsoleHubSpot
IPv6 · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat readme.io actually stands on - every host below is a signed observation
readme.io
A / AAAA
104.16.242.118104.16.241.1182606:4700::6810:f2762606:4700::6810:f176
Cloudflareserves the site
NS
jeremy.ns.cloudflare.comuma.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
readme.io
Google Trust Servicesissued its certificate
DNS Records
A 2
104.16.242.118104.16.241.118
AAAA 2
2606:4700::6810:f2762606:4700::6810:f176
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 8
ca3-7a7eea41f1c64eb39eb32eb2e44b04e7google-site-verification=56mwY-L11n-tVQX2yg8CjjvkBwK9Lrm_KXymJXg3Vgwgoogle-site-verification=8AC7E3YtUOlA34ghgS3Bkm5vNl8I-vyIKgwG4B5V-Zwgoogle-site-verification=ggprQYAF0VakZWIaUW8m_cuztINyXsplKWkjJJbt8AMopenai-domain-verification=dv-5y8XwyJ1t1I74hw4IyabzksXstatus-page-domain-verification=qds0hzpkdm36v=spf1 include:spf.mail.intercom.io include:_spf.google.com include:9401557.spf07.hubspotemail.net ~allv=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@readme.io; ruf=mailto:dmarc@readme.io; aspf=r; adkim=r;
NS 2
jeremy.ns.cloudflare.comuma.ns.cloudflare.com
SOA 1
jeremy.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
readme.io |
C=US, O=Google Trust Services, CN=WE1 | Fri, 09 Oct 2026 13:12:37 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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
aef4c1ce-a94a-44a7-9c09-bcce5fe69ccf- Output Hash
3391ca5a11a471097e0dfeb0d7c81894d0306770efb0cf9657f4e08232c62223- Signature
ed25519:5eaf9c50f6ff27f0d4a7a7dcb91a22615a2a5311df03047c8ea97ab82135731dab1264cbf4792e7ca93d3255c79f590dbadefeab2865b480ad07436fe0a0a806- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast