Last Updated: April 25, 2024
duo.com has a rank of 2,413, it is considered a very trustworthy and established domain. duo.com has 4 NS records, 4 A records, 0 AAAA records, 7 MX records, and 12 TXT records. Name servers for duo.com are ns-55.awsdns-06.com, ns-932.awsdns-52.net, ns-1365.awsdns-42.org, ns-1733.awsdns-24.co.uk. A records for duo.com are 18.161.84.67, 18.161.84.33, 18.161.84.80, 18.161.84.43. MX records that process @duo.com email are aspmx4.googlemail.com, alt1.aspmx.l.google.com, aspmx2.googlemail.com, aspmx.l.google.com, aspmx3.googlemail.com, aspmx5.googlemail.com, alt2.aspmx.l.google.com. We have observed duo.com to have 14 subdomains. Technology that may be in use at duo.com includes google, workplace, apple. The domain's primary website is hosted on a CloudFront web server at 18.161.84.33 in United States. The website's description is: "protect your workforce and user data from cybersecurity risks with multifactor authentication (mfa), two-factor authentication (2fa) and a single sign-on solution." duo.com domain rank of 2,413 makes it valuable phishing target. Typosquat domains for duo.com may look like duk.com, ruo.com, d5o.com, duoa.com, ciuo.com. As of April 25, 2024, duo.com does not have any threat intelligence reports of concern.
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18.161.84.67
18.161.84.33
18.161.84.80
18.161.84.43
No DNS AAAA records
aspmx4.googlemail.com
alt1.aspmx.l.google.com
aspmx2.googlemail.com
aspmx.l.google.com
aspmx3.googlemail.com
aspmx5.googlemail.com
alt2.aspmx.l.google.com
ns-55.awsdns-06.com
ns-932.awsdns-52.net
ns-1365.awsdns-42.org
ns-1733.awsdns-24.co.uk
duo.com. 300 IN TXT "google-site-verification=_6xJQkVWQvhjZ8WH17r2qEjOu0CYifwUq5DqV-aUPIE"
duo.com. 300 IN TXT "google-site-verification=88KLpNEv0nOJ-yRHH3mp3TIvrG4rhNTP3DbODLQeIYg"
duo.com. 300 IN TXT "v=spf1 ip4:72.35.40.113/28 ip4:66.51.154.240/29 include:_spf.google.com include:_spf.salesforce.com include:mktomail.com include:stspg-customer.com include:_spf.intacct.com include:servers.mcsv.net ~all"
duo.com. 300 IN TXT "google-site-verification=F16Zf7RnF8CVcYnsbn6C308KFSeldSRrLiJK1cCgoBQ"
duo.com. 300 IN TXT "identrust_validate=VOOjXXB2PpF7kC14MiiEHi40phwnkIP1dhJ1AbyZxWKP"
duo.com. 300 IN TXT "google-site-verification=FyHTkA00weOnJqC50U6D_1Etz0FeTAV36UzX-mR0t7Y"
duo.com. 300 IN TXT "google-site-verification=WvGzO9Z62GF-06EZawhrguz4lX-3soAJz8l5Zdd0kpc"
duo.com. 300 IN TXT "workplace-domain-verification=M0nohbh4MpXazNtpfeLQrdlEAbaeQ3"
duo.com. 300 IN TXT "google-site-verification=QSlNcf5REPqDzZZtYQdQ02iTtFdCkF4iGzRgOHWeAfk"
duo.com. 300 IN TXT "google-site-verification=zagew00MIXPj4NT7NSuvolRYA9BWUFvOvUU9On5SkLs"
duo.com. 300 IN TXT "google-site-verification=gY1gXbTT44Hc2xjnx-TmKdBLXKzpthxWKGhlqJL0EDw"
duo.com. 300 IN TXT "apple-domain-verification=0NFHW4xLPA7qMAUl"
duo.com has 14 subdomains in our inventory.
CloudFront
United States
fb:app_id: 896409090480292
og:type: website
og:site_name: cisco duo
og:url: https://duo.com
og:title: multi-factor authentication & single sign-on
og:image: https://duo.com/assets/img/seo-images/duo_homepage_seo_image.jpg
og:image:width: 1200
og:image:height: 630
og:description: protect your workforce and user data from cybersecurity risks with multifactor authentication (mfa), two-factor authentication (2fa) and a single sign-on solution.
{"message_type": "certificate_update", "data": {"leaf_cert": {"not_after": 1726876799, "signature_algorithm": "sha256, rsa", "extensions": {"subjectKeyIdentifier": "32:CD:06:48:22:F1:18:41:1A:98:62:28:A3:4F:AA:EE:83:5A:56:EB", "authorityKeyIdentifier": "keyid:81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85\n", "extendedKeyUsage": "TLS Web server authentication, TLS Web client authentication", "subjectAltName": "DNS:duosecurity.com, DNS:www.duo.com, DNS:de.duo.com, DNS:duo.com, DNS:www.duosecurity.co.uk, DNS:fr.duo.com, DNS:duosecurity.co.uk, DNS:www.duosecurity.com", "crlDistributionPoints": "Full Name:\n URI:http://crl.r2m01.amazontrust.com/r2m01.crl", "keyUsage": "Digital Signature, Key Encipherment", "certificatePolicies": "Policy: 2.23.140.1.2.1", "ctlPoisonByte": true, "authorityInfoAccess": "CA Issuers - URI:http://crt.r2m01.amazontrust.com/r2m01.cer\nOCSP - URI:http://ocsp.r2m01.amazontrust.com\n", "basicConstraints": "CA:FALSE"}, "fingerprint": "F2:9F:B3:4B:B3:C2:7E:E0:8E:FC:3F:31:C8:C5:DA:16:B4:C4:B4:2C", "all_domains": ["de.duo.com", "duo.com", "duosecurity.co.uk", "duosecurity.com", "fr.duo.com", "www.duo.com", "www.duosecurity.co.uk", "www.duosecurity.com"], "serial_number": "FAAFE44DC435FC5CE244F85E313EE1F", "subject": {"C": null, "CN": "www.duosecurity.com", "L": null, "O": null, "ST": null, "emailAddress": null, "OU": null, "aggregated": "/CN=www.duosecurity.com"}, "not_before": 1692748800, "issuer": {"C": "US", "CN": "Amazon RSA 2048 M01", "L": null, "O": "Amazon", "ST": null, "emailAddress": null, "OU": null, "aggregated": "/C=US/CN=Amazon RSA 2048 M01/O=Amazon"}}, "cert_link": "https://yeti2024.ct.digicert.com/log/ct/v1/get-entries?start=130852808&end=130852808", "source": {"url": "https://yeti2024.ct.digicert.com/log/", "name": "DigiCert Yeti2024 Log"}, "update_type": "PrecertLogEntry", "seen": 1692801911.75625, "cert_index": 130852808}}