Automated public DNS and web checks; results may be incomplete. These are passive observations, not an assessment of the organization.
Executive summary
cisco.com
Good shape, with a few gaps worth closing this quarter.
Full coverage: every applicable check was assessed.
2026-11-15 18:16 UTC
Useful for your IT provider or a colleague. Anyone with the link can view the report.
Track your progress
Fix the findings, then come back and rescan. Your scan history is saved in this browser so you can see exactly what improved.
Spoofing email from this domain is hard.
Traffic to the site is encrypted and the certificate is valid.
Some browser protections are missing.
The domain's infrastructure works, but recommended hardening is missing.
Help someone else check their domain
Share this public report with a colleague. They can review the evidence and check their own domain.
What to do first
- 1.
Turn on DNS signing for your domain
Signing helps resolvers detect forged answers about your domain.
Who can fix it: Your domain registrar or DNS provider
How to verify after the fix
dig +short DS cisco.com
- 2.
Stop browsers from guessing file types
This removes one way a file could be treated as something it is not.
Who can fix it: Your website developer or web host
How to verify after the fix
curl -sIL https://cisco.com/ | grep -i "X-Content-Type-Options"
A starting point, not a security guarantee.
What this grade means
- Tested hostname
- cisco.com
- Website request
- GET https://cisco.com/ → https://www.cisco.com/
- Scan time
- 2026-11-15 18:16:34 UTC
- Grading method
- Version 2How grading works
- Unverified or excluded checks
- None. Every applicable check was assessed.
This is a snapshot of the public configuration checks listed in this report. It does not verify the site's owner, business legitimacy, application security, or absence of vulnerabilities. It is not a security certification.
Show the live grade for cisco.com in a README, docs or site footer. The badge links to the public report and refreshes every 24 hours.
Scan shown on this page: 2026-11-15 18:16:34 UTC. The badge may display a cached result for up to 24 hours. Open the linked report to check its scan time.
[](https://getmirror.online/report/cisco.com)<a href="https://getmirror.online/report/cisco.com"><img src="https://getmirror.online/badge/cisco.com.svg" alt="Domain Armor grade"></a>https://getmirror.online/badge/cisco.com.svgScan history
AI fix plan
Pick scans from this browser's history. The AI compares them, explains what changed and builds a prioritized, step-by-step plan.
Scans to analyze
0 of 6 selectedThe current scan is always included.
AI-generated from your scan results only. Review each step before applying it; nothing is sent to or changed on the domain.
Technical detail
Click a check to see the public data, a verification command, a safe fix recommendation and documentation sources.
Email security
30/30Encryption & certificate
25/25Browser protections
17/30DNS infrastructure
8/15Public DNS records
| A | cisco.com | 72.163.4.185 |
| AAAA | cisco.com | 2001:420:1101:1::185 |
| MX | cisco.com | 10 alln-mx-01.cisco.com 20 rcdn-mx-01.cisco.com 30 aer-mx-01.cisco.com |
| NS | cisco.com | a3-64.akam.net ns3.cisco.com ns1.cisco.com a28-64.akam.net ns2.cisco.com |
| TXT | cisco.com | _2gt42gt9xoa6p92bc6h5biciyt314fo c900335b8b825859b51473b9943a3880ae795df47426483b0a67630377a902f5 duo_sso_verification=sKMGaTln2vmQuKwaE4hKtTEY1UYn2JzAaxSZzGjkgJrKuZChN344mhIptyczoNBA h1-domain-verification=rix5vuxntVpma4rTL2DbE3FDrrPjedhnRaqaHvghyod3egmZ amazonses:mX+ylQj+fJAfh9pr03yIR7YvjKZ1bOo5ABegqM/5pvI= google-site-verification=V3t2K3dvr9fcd1YWwwanSmebEOO_UNTP06HR2_gUO5M adobe-aem-verification=www-idev-cloud.cisco.com/24859/366204/1b990ef7-ff88-4938-bdd9-8458cc152f57 mZvHszGlmDhvPOUKL+6JMiw/VtckyOMKjcw1PLcjYowxM2PVLX2xG0ZSgdHRm8HXfaaGR2pMvhIrBX1tX3aKRQ== mixpanel-domain-verify=2c6cb1aa-a3fb-44b9-ad10-d6b744109963 pendo-domain-verification=c9796502-c914-4e50-892d-e426f2ac68e9 workplace-domain-verification=Uhv7QPQ22nbuD3vG0jspf7R6LruYoS fastly-domain-delegation-w049tcm0w48ds-341317-20210209 google-site-verification=DN8r8LEcNiPYD95x3VnUM7Q6BH2H3390qvdIy4QjpvU flexera-domain-verification-oxonqwdadtkprrcn miro-verification=53bf5ccd47cb6239fe5cf14c3b328050dd5679ac pendo-domain-verification=Ad800_b0VJCaE7Ued9Ug3pIQ_V4 profound-domain-verification-4tbqdv=dgW9PRoomrumTvr2gfRW4H3B1 ZOOM_verify_Gf6CaEdJ5aKGvjcUrZRkiA 926723159-3188410 SFMC-o7HX74BQ79k7glpt_qjlF2vmZO9DpqLtYxKLwg87 duo_sso_verification=IYdVUIrb2L95JVejSXV3hfsJVDZolQKKOPBztlD6TIgfCRSKeMuf8WgbQuFLD4aL asv=ac90e11808e87cfbf8768e69819b1aca docusign=95052c5f-a421-4594-9227-02ad2d86dfbe adobe-idp-site-verification=c900335b8b825859b51473b9943a3880ae795df47426483b0a67630377a902f5 airtable-verification=8bf444fd0fad14a3aae2681cb7d68641 atlassian-domain-verification=7JYRlY9ijBijTJ0YS5a8/58DU7OfKAHMYRufcy0TC57j2mNceH8rg4ajRzErc22Z google-site-verification=Vc0Pir22m1u9yw5HjXf6TYO6rlAI9EY8IVKUma-OqDY OSSRH-97236 docusign=5e18de8e-36d0-4a8e-8e88-b7803423fa2f airtable-verification=4114c0f710cfc430d841e55ed7ed920d google-site-verification=r-K1CIdXkgRWxZstUHtVyM2UfwflnGgr4AR9_Qhk28Q google-site-verification=9MlQU9MMQ1jHLMUkONKe6QzZ-ZIGRv0BCD1_rY1Zdmc 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facebook-domain-verification=qr2nigspzrpa96j1nd9criovuuwino QuoVadis=94d4ae74-ecd5-4a33-975e-a0d7f546c801 fastly-domain-delegation-z9slsbDdX0-368365-2021-05-14 atlassian-domain-verification=672RcADvt8BPqsb9gCN2ZC5DoTAhUT8abC1blYKQxi/MHMaGoA/BuvjFMaWRtgd7 anthropic-domain-verification-5dyq28=xkpw44itymPv0HXOvUdry99zb intercom-domain-validation=8806e2f9-7626-4d9e-ae4d-2d655028629a docker-verification=4c56633a-274e-4858-88a2-2aeceffcfd66 airtable-verification=18787f2dc47697bb547e871772aba0be twilio-domain-verification=268434bd6a91bdd8d3bb5e6cffeeace7 amazonses:7LyiKZmpuGja4+KbA4xX3lN69yajYKLkHH4QJcWnuwo= jetbrains-domain-verification=e9mcf886rjng68x4qu59h22ef v=spf1 redirect=spfa._spf.cisco.com jamf-site-verification=0mwRCzzRvk_HiKjmiqR3Lw identrust_validate=mPh/vaMx5zgF8r1udSDOH2z2cf4O8bIcuPgHIigCFbxs identrust_validate=ASvI9O914uC6UlLjYzP9VhdLCEWHi4QQ+R4OdK2vtOMp stripe-verification=0BAD851A6A7ACC4A12DDCE03460CCEFAC86320A8494FDCCED35F71EE25EF3D03 google-site-verification=WmdDuSXl3PMb-48qcY6VUbW9kzNPe46zn9uDwgB2wX0 ms-domain-verification=e0289fac-4a94-41df-b2b0-794347e490b7 google-site-verification=lW5eqPMJI4VrLc28YW-JBkqA-FDNVnhFCXQVDvFqZTo hubspot-domain-verification=NDQzNGY2ZWEtZTY0ZC00ZDQyLWI4YzctOGRkNDVjNTQ4YTAx notion-domain-verification=7sz4S3LLtNIHZpYsgTTgOcRLlLrJ5JrmIgVcdRtGi1X yahoo-verification-key=2B33D2zyxdBOxUw/abowAuwQ2pdtznP6ULDfQC3ag2g= notion-domain-verification=IsKmFIvIIP8RUQNn4ZGQjzuCdZnI7TY7xcIYb65QQE8 pendo-domain-verification=5995ba9c-9bf8-43d8-9e5a-309856760011 duo_sso_verification=6Q7pJwSZ3damWHBcB8TNd9I5oduLRAFDDhip2pTFaa3QoIZtZnCgzjyZr5teSOWS bfefecbd-d5df-4b3a-b0dd-54bf5c72e698 stripe-verification=2B4F3B35976CFB93CA884A90BF3E0A8873EAC7C5AFD06D7047E87B794EC55DBB stripe-verification=8e54fae7680b23aad6d5e3417be73a043f7e45cd2767272dbe0c9c6eac903291 sending_domain731003=25e34fadea88da7e64f0fab1e32d094f1f1e0fb2b97622deac2521f7a2c5b2bc atlassian-domain-verification=UwP1ncfiphlFs+wRx8wIBSXDScwNL7Jrw7tq2rnYz3+9T5+Md9eTDRgNPCikxtOx sending_domain1067842=8806a83586b0389c05457f8b2f06e4859b3f1b0d6bad52e5fee552bfd0a853e0 atlassian-domain-verification=AYTzL6wSVsW0IdyQp7gwv6lwtHdpMATnb8QriqyJ0niAaZct9kdSlXvfuE4GcoxU pendo-domain-verification=c9d2fba1-7d94-4cf9-a6fb-310883c8bb15 duo_sso_verification=pG21Oj5OPCxRPsWXsfbauWT9oua82cKtYUPAmsQvovKNq3xqWEcsEMEAhtXy8AFr amazonses:QbUv5pPHGQxRy1vKA0J7Y/biE9oR6MTxOTI1bZIfjsw= adobe-aem-verification=www-devint-cloud.cisco.com/24859/366173/9418f2a2-ef45-4788-9de9-91c7d19038b9 atlassian-domain-verification=2ldosmg0o2Mhpyok1OISaSGygWU9zk6fLLWdoczXtHap9luhaHA/pwEaj2Tk6ROK wiz-domain-verification=af241e6396696eedf1b361891435f6b21bdebb5621941d99279298c076b5bf5f postman-domain-verification=bac0835520fcf3b408c07c584b3575452de5930d08a942cc0d000f1267a5b20de395ce8ccce9d6a6d58feff7c25f4000a22cd36968d8ac95ff234ab22ab264bb atlassian-domain-verification=Gt2demeKDLmtNc9kPZhaAHFA37DEIcmFGUd6LARvB4yjLG70s3WZhaJJ15y499sb |
| TXT | _dmarc.cisco.com | v=DMARC1; p=reject; pct=100; sp=reject; fo=1; ri=3600; rua=mailto:ynldvgsr@ag.dmarcian.com; ruf=mailto:ynldvgsr@fr.dmarcian.com; |
| CAA | cisco.com | 128 issuewild "digicert.com" 128 issuewild "identrust.com" 0 issue "amazon.com" 128 iodef "mailto:infosec@cisco.com" 0 issue "ssl.com" 0 issue "pki.goog" 0 issue "digicert.com" 0 issue "identrust.com" 0 issue "globalsign.com" 0 issue "letsencrypt.org" 128 issuewild "ssl.com" |
| DS | cisco.com | — |