diigo.com
Diigo - Better reading and research with annotation, highlighter, sticky notes, archiving, bookmarking & more.
diigo.com is registered with GoDaddy.com, LLC since December 22, 2004 (21.9 years). The registration expires on December 22, 2029. The site runs on Ruby on Rails, Universal Analytics, Cloudflare and 2 other technologies. Its email security grade is F. Its SSL certificate is issued by Google Trust Services and is valid for 51 more days.
- Domain age
- 21.9 yrs
- Technologies
- 5
- Email security
- F
- SSL days left
- 51
Registration
| Registrar | GoDaddy.com, LLC |
|---|---|
| IANA ID | 146 |
| Registered | December 22, 2004 |
| Expires | December 22, 2029 |
| Updated | August 4, 2026 |
| Status | client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited |
| Name servers | karsyn.ns.cloudflare.com, wilson.ns.cloudflare.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 104.26.4.189 | 300 |
| A | 104.26.5.189 | 300 |
| A | 172.67.68.111 | 300 |
| MX | aspmx.l.google.com 0 | 7200 |
| MX | alt1.aspmx.l.google.com 10 | 7200 |
| MX | alt2.aspmx.l.google.com 10 | 7200 |
| MX | aspmx2.googlemail.com 20 | 7200 |
| MX | aspmx3.googlemail.com 20 | 7200 |
| MX | aspmx4.googlemail.com 20 | 7200 |
| MX | aspmx5.googlemail.com 20 | 7200 |
| NS | karsyn.ns.cloudflare.com | 86400 |
| NS | wilson.ns.cloudflare.com | 86400 |
| TXT | _lbqtqwfel2p2s1hzazwciypx34dtpov | 3600 |
| TXT | _n8uwun3az6dfkrpcu82ztjpsz0nm99k | 3600 |
| TXT | google-site-verification=jEyJnTdt9H3zybR7Jh0b3WI9GxKTmKU8m7ulcqrb7mQ | 3600 |
| TXT | v=spf1 mx a:mail4.diigo.com a:mail3.diigo.com a:mail5.diigo.com a:mail6.diigo.com mx:gmail.com ip4:54.191.20.111 ip4:54.191.82.220 ip4:54.201.55.105 ip4:216.237.119.210 ip4:72.26.232.209 ip4:72.26.232.205 ~all | 3600 |
| TXT | xh4pys2kccpbb5f79r501gs19h6ctfy0 | 3600 |
| AAAA | 2606:4700:20::681a:5bd | 300 |
| AAAA | 2606:4700:20::ac43:446f | 300 |
| AAAA | 2606:4700:20::681a:4bd | 300 |
Technology stack
Analytics and advertising IDs
google_analytics:UA-295754-15SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, WE1, Google Trust Services |
| Expires | December 31, 2026 |
| Days remaining | 51 |
| Protocol | TLSv1.3 |
| Names | diigo.com, *.diigo.com |
Email security
- badNo DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
- warnDKIM key found (selector: default) but it is only 1024 bits; 2048 is recommended.
- 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 marked as suspicious (soft fail).
- good7 MX record(s) found. Mail is handled by Google Workspace.
Homepage metadata
| Title | Diigo - Better reading and research with annotation, highlighter, sticky notes, archiving, bookmarking & more. |
|---|---|
| Description | Diigo is a powerful research tool and a knowledge-sharing community |
| Indexable | Yes |
| Word count | 218 |
About diigo.com
Who is the registrar of diigo.com?
diigo.com is registered with GoDaddy.com, LLC (IANA ID 146).
When does diigo.com expire?
The current registration of diigo.com expires on December 22, 2029. It was first registered on December 22, 2004.
What technology does diigo.com use?
We detected 5 technologies on diigo.com, including Universal Analytics, Cloudflare, jQuery, Ruby, Ruby on Rails.
Does diigo.com protect its email with SPF and DMARC?
diigo.com scores 40/100 (grade F) for email security. No DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain. DKIM key found (selector: default) but it is only 1024 bits; 2048 is recommended.
What are the name servers of diigo.com?
diigo.com uses karsyn.ns.cloudflare.com, wilson.ns.cloudflare.com.