duo.com
IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo
duo.com is registered with MarkMonitor Inc. since October 14, 1998 (28.1 years). The registration expires on October 13, 2027. The site runs on Amazon CloudFront, Content Security Policy, HSTS and 1 other technologies. Its email security grade is B. Its SSL certificate is issued by Amazon and is valid for 178 more days.
- Domain age
- 28.1 yrs
- Technologies
- 4
- Email security
- B
- SSL days left
- 178
Registration
| Registrar | MarkMonitor Inc. |
|---|---|
| IANA ID | 292 |
| Registered | October 14, 1998 |
| Expires | October 13, 2027 |
| Updated | June 24, 2024 |
| Status | client delete prohibited, client transfer prohibited, client update prohibited |
| Name servers | ns-1365.awsdns-42.org, ns-1733.awsdns-24.co.uk, ns-55.awsdns-06.com, ns-932.awsdns-52.net |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 3.161.82.84 | 60 |
| A | 3.161.82.27 | 60 |
| A | 3.161.82.4 | 60 |
| A | 3.161.82.78 | 60 |
| MX | alln-mx-01.cisco.com 10 | 300 |
| MX | rcdn-mx-01.cisco.com 20 | 300 |
| MX | aer-mx-01.cisco.com 30 | 300 |
| NS | ns-1365.awsdns-42.org | 172800 |
| NS | ns-1733.awsdns-24.co.uk | 172800 |
| NS | ns-55.awsdns-06.com | 172800 |
| NS | ns-932.awsdns-52.net | 172800 |
| CAA | issue 0 amazon.com | 300 |
| CAA | issue 0 amazonaws.com | 300 |
| CAA | issue 0 amazontrust.com | 300 |
| CAA | issue 0 awstrust.com | 300 |
| CAA | issue 0 digicert.com | 300 |
| CAA | issue 0 globalsign.com | 300 |
| CAA | issue 0 identrust.com | 300 |
| CAA | issue 0 letsencrypt.org | 300 |
| CAA | issue 0 pki.goog | 300 |
| CAA | issue 0 starfieldtech.com | 300 |
| TXT | apple-domain-verification=0NFHW4xLPA7qMAUl | 300 |
| TXT | google-site-verification=88KLpNEv0nOJ-yRHH3mp3TIvrG4rhNTP3DbODLQeIYg | 300 |
| TXT | google-site-verification=F16Zf7RnF8CVcYnsbn6C308KFSeldSRrLiJK1cCgoBQ | 300 |
| TXT | google-site-verification=FyHTkA00weOnJqC50U6D_1Etz0FeTAV36UzX-mR0t7Y | 300 |
| TXT | google-site-verification=QSlNcf5REPqDzZZtYQdQ02iTtFdCkF4iGzRgOHWeAfk | 300 |
| TXT | google-site-verification=UxTqzaF64RMmCuE_cfz67aerfbJyPW7jSWJaDRf8U4Q | 300 |
| TXT | google-site-verification=WvGzO9Z62GF-06EZawhrguz4lX-3soAJz8l5Zdd0kpc | 300 |
| TXT | google-site-verification=_6xJQkVWQvhjZ8WH17r2qEjOu0CYifwUq5DqV-aUPIE | 300 |
| TXT | google-site-verification=gY1gXbTT44Hc2xjnx-TmKdBLXKzpthxWKGhlqJL0EDw | 300 |
| TXT | google-site-verification=uo-yyMBObeQzZDH55aAFLRLyf0IiN20p0GJ0H6N2jQQ | 300 |
| TXT | google-site-verification=zagew00MIXPj4NT7NSuvolRYA9BWUFvOvUU9On5SkLs | 300 |
| TXT | identrust_validate=SMpkw2Y899uXgKrzdHnqptIfXiIOyDNlX1foFF1S209M | 300 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, Amazon RSA 2048 M01, Amazon |
| Expires | May 8, 2027 |
| Days remaining | 178 |
| Protocol | TLSv1.3 |
| Names | www.duosecurity.com, duosecurity.co.uk, fr.duo.com, www.duosecurity.co.uk, duo.com, de.duo.com, www.duo.com, duosecurity.com |
Email security
- 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).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- goodDKIM keys found (selector: google, k1, s1, s2).
- good3 MX record(s) found.
Homepage metadata
| Title | IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo |
|---|---|
| Description | Cisco Duo secures workforce access and defends against advanced identity threats with IAM, phishing-resistant MFA, SSO, passwordless, and device trust. |
| Language | en |
| Canonical | https://duo.com |
| Structured data | Organization, WebSite, SoftwareApplication, WebPage, Review |
| Indexable | Yes |
| Word count | 1610 |
About duo.com
Who is the registrar of duo.com?
duo.com is registered with MarkMonitor Inc. (IANA ID 292).
When does duo.com expire?
The current registration of duo.com expires on October 13, 2027. It was first registered on October 14, 1998.
What technology does duo.com use?
We detected 4 technologies on duo.com, including Amazon CloudFront, Content Security Policy, HSTS, Wistia.
Does duo.com protect its email with SPF and DMARC?
duo.com scores 83/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of duo.com?
duo.com uses ns-1365.awsdns-42.org, ns-1733.awsdns-24.co.uk, ns-55.awsdns-06.com, ns-932.awsdns-52.net.