Rank #2,644Updated November 10, 2026
keybase.io
Keybase
The site runs on Font Awesome, Content Security Policy, HSTS. Its email security grade is C. Its SSL certificate is issued by Sectigo Limited and is valid for 37 more days.
- Domain age
- —
- Technologies
- 3
- Email security
- C
- SSL days left
- 37
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 3.237.59.117 | 60 |
| A | 52.71.49.22 | 60 |
| MX | aspmx.l.google.com 1 | 60 |
| MX | alt1.aspmx.l.google.com 5 | 60 |
| MX | alt2.aspmx.l.google.com 5 | 60 |
| MX | aspmx2.googlemail.com 10 | 60 |
| MX | aspmx3.googlemail.com 10 | 60 |
| NS | ns-337.awsdns-42.com | 3600 |
| NS | ns-1016.awsdns-63.net | 3600 |
| NS | ns-1095.awsdns-08.org | 3600 |
| NS | ns-1722.awsdns-23.co.uk | 3600 |
| TXT | v=spf1 include:amazonses.com include:_spf.google.com -all | 60 |
| TXT | google-site-verification=2_x9kakVn08nlY19drRYak0gT8V7--0gD30LuHeQgDc | 60 |
| TXT | google-site-verification=ACKvDZtx7Du0yKqq67RD_HTmFFz7pDwRKt1DfKaGIiw | 60 |
| TXT | google-site-verification=EScVE2sVORvMDZLhhutKO7wX_1MhEYD4mf07N-9ZVJo | 60 |
| TXT | google-site-verification=hCgqgPE11cpweSzun0ckJAyD8zkygm1AnmLzT69gOk8 | 60 |
| TXT | hns-regtest:aakcuz4t4tu5amlrn3pn6vtt47ccazqid2lp3ncbgsjtuav3ymg5h7gb6tlneu74ovc46aqp5no4vkskhzicjwqjbgzqcaaaac763qw3 | 60 |
| TXT | hns-claim:aaki2sqyeenk5icdlvhu4o6ghrfocr6bymvp5sc6aeaaaaaaaaaklzaororjdpl6qzexi75h7ofhv447lownw5btzuxvs4ibaaaaa3uswt5q | 60 |
Technology stack
Fonts
Security
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | GB, Sectigo Public Server Authentication CA DV R36, Sectigo Limited |
| Expires | December 17, 2026 |
| Days remaining | 37 |
| Protocol | TLSv1.3 |
| Names | keybase.io, www.keybase.io |
Email security
CScore 70/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with -all: servers you have not listed are rejected (hard fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good5 MX record(s) found. Mail is handled by Google Workspace.
Homepage metadata
| Title | Keybase |
|---|---|
| Description | Keybase is for keeping everyone's chats and files safe, from families to communities to companies. MacOS, Windows, Linux, iPhone, and Android. |
| Indexable | Yes |
| Word count | 236 |
About keybase.io
What technology does keybase.io use?
We detected 3 technologies on keybase.io, including Font Awesome, Content Security Policy, HSTS.
Does keybase.io protect its email with SPF and DMARC?
keybase.io scores 70/100 (grade C) for email security. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
What are the name servers of keybase.io?
keybase.io uses ns-337.awsdns-42.com, ns-1016.awsdns-63.net, ns-1095.awsdns-08.org, ns-1722.awsdns-23.co.uk.