Domain Intelligence Report

cisco.com

DNS records, WHOIS/RDAP registration, SSL certificate, subdomain enumeration, and email-security posture — aggregated in real time and cached.

7
DNS record types
130d
SSL cert remaining
25
Subdomains found
SPF + DMARC
Email security
DNS

DNS Records

All record types resolved from authoritative DNS for cisco.com.

A 1 record
  • 72.163.4.185
AAAA 1 record
  • 2001:420:1101:1::185
MX 3 records
  • 20 rcdn-mx-01.cisco.com.
  • 30 aer-mx-01.cisco.com.
  • 10 alln-mx-01.cisco.com.
TXT 86 records
  • "docusign=5e18de8e-36d0-4a8e-8e88-b7803423fa2f"
  • "cursor-domain-verification-evn8nj=Ml5OeQYe3sBg8uZOIeRrJgCO7"
  • "amazonses:7LyiKZmpuGja4+KbA4xX3lN69yajYKLkHH4QJcWnuwo="
  • "duo_sso_verification=sKMGaTln2vmQuKwaE4hKtTEY1UYn2JzAaxSZzGjkgJrKuZChN344mhIptyczoNBA"
  • "flexera-domain-verification-oxonqwdadtkprrcn"
  • "atlassian-domain-verification=2ldosmg0o2Mhpyok1OISaSGygWU9zk6fLLWdoczXtHap9luhaHA/pwEaj2Tk6ROK"
  • "atlassian-domain-verification=7JYRlY9ijBijTJ0YS5a8/58DU7OfKAHMYRufcy0TC57j2mNceH8rg4ajRzErc22Z"
  • "SFMC-o7HX74BQ79k7glpt_qjlF2vmZO9DpqLtYxKLwg87"
  • "sending_domain731003=25e34fadea88da7e64f0fab1e32d094f1f1e0fb2b97622deac2521f7a2c5b2bc"
  • "google-site-verification=Vc0Pir22m1u9yw5HjXf6TYO6rlAI9EY8IVKUma-OqDY"
  • "adobe-aem-verification=www-devint-cloud.cisco.com/24859/366173/9418f2a2-ef45-4788-9de9-91c7d19038b9"
  • "h1-domain-verification=rix5vuxntVpma4rTL2DbE3FDrrPjedhnRaqaHvghyod3egmZ"
  • "stripe-verification=2B4F3B35976CFB93CA884A90BF3E0A8873EAC7C5AFD06D7047E87B794EC55DBB"
  • "workplace-domain-verification=Uhv7QPQ22nbuD3vG0jspf7R6LruYoS"
  • "pendo-domain-verification=c9d2fba1-7d94-4cf9-a6fb-310883c8bb15"
  • "notion-domain-verification=IsKmFIvIIP8RUQNn4ZGQjzuCdZnI7TY7xcIYb65QQE8"
  • "atlassian-domain-verification=UwP1ncfiphlFs+wRx8wIBSXDScwNL7Jrw7tq2rnYz3+9T5+Md9eTDRgNPCikxtOx"
  • "hubspot-domain-verification=NDQzNGY2ZWEtZTY0ZC00ZDQyLWI4YzctOGRkNDVjNTQ4YTAx"
  • "anthropic-domain-verification-5dyq28=xkpw44itymPv0HXOvUdry99zb"
  • "cloudflare_dashboard_sso=f60a7d128e406b8d9dd4103dd3554f6b"
  • "docusign=95052c5f-a421-4594-9227-02ad2d86dfbe"
  • "google-site-verification=9MlQU9MMQ1jHLMUkONKe6QzZ-ZIGRv0BCD1_rY1Zdmc"
  • "airtable-verification=18787f2dc47697bb547e871772aba0be"
  • "duo_sso_verification=pG21Oj5OPCxRPsWXsfbauWT9oua82cKtYUPAmsQvovKNq3xqWEcsEMEAhtXy8AFr"
  • "google-site-verification=lW5eqPMJI4VrLc28YW-JBkqA-FDNVnhFCXQVDvFqZTo"
  • "airtable-verification=d886631ce96b77ba775f9bddab44df92"
  • "fastly-domain-delegation-z9slsbDdX0-368365-2021-05-14"
  • "ZOOM_verify_Gf6CaEdJ5aKGvjcUrZRkiA"
  • "notion-domain-verification=7sz4S3LLtNIHZpYsgTTgOcRLlLrJ5JrmIgVcdRtGi1X"
  • "mixpanel-domain-verify=2c6cb1aa-a3fb-44b9-ad10-d6b744109963"
  • "ms-domain-verification=e0289fac-4a94-41df-b2b0-794347e490b7"
  • "QuoVadis=94d4ae74-ecd5-4a33-975e-a0d7f546c801"
  • "adobe-aem-verification=www-idev-cloud.cisco.com/24859/366204/1b990ef7-ff88-4938-bdd9-8458cc152f57"
  • "duo_sso_verification=6Q7pJwSZ3damWHBcB8TNd9I5oduLRAFDDhip2pTFaa3QoIZtZnCgzjyZr5teSOWS"
  • "stripe-verification=8e54fae7680b23aad6d5e3417be73a043f7e45cd2767272dbe0c9c6eac903291"
  • "pendo-domain-verification=c9796502-c914-4e50-892d-e426f2ac68e9"
  • "identrust_validation=IGfVhawoLyaH5CKT49RKObpqHgYyXRvd691dO1oCEOfh"
  • "duo_sso_verification=AxenLdoqIXzjl2RJzE1BlOfkawDbDFlnbyvjAt8vcjKHBkvYwEMySDRk5QmBd66v"
  • "asv=ac90e11808e87cfbf8768e69819b1aca"
  • "google-site-verification=WmdDuSXl3PMb-48qcY6VUbW9kzNPe46zn9uDwgB2wX0"
  • "airtable-verification=c0b5bd3f3db736f775f0dbe4e103cdea"
  • "pendo-domain-verification=5995ba9c-9bf8-43d8-9e5a-309856760011"
  • "pendo-domain-verification=Ad800_b0VJCaE7Ued9Ug3pIQ_V4"
  • "atlassian-domain-verification=AYTzL6wSVsW0IdyQp7gwv6lwtHdpMATnb8QriqyJ0niAaZct9kdSlXvfuE4GcoxU"
  • "duo_sso_verification=IYdVUIrb2L95JVejSXV3hfsJVDZolQKKOPBztlD6TIgfCRSKeMuf8WgbQuFLD4aL"
  • "mZvHszGlmDhvPOUKL+6JMiw/VtckyOMKjcw1PLcjYowxM2PVLX2xG0ZSgdHRm8HXfaaGR2pMvhIrBX1tX3aKRQ=="
  • "twilio-domain-verification=3b5f92478e8c38980a265e599e1538c8"
  • "airtable-verification=8bf444fd0fad14a3aae2681cb7d68641"
  • "google-site-verification=qPS9ZkoQ-Og1rBrM1_N7z-tNJNy2BVxE8lw6SB2iFdk"
  • "sending_domain1067842=8806a83586b0389c05457f8b2f06e4859b3f1b0d6bad52e5fee552bfd0a853e0"
  • "c900335b8b825859b51473b9943a3880ae795df47426483b0a67630377a902f5"
  • "stripe-verification=0BAD851A6A7ACC4A12DDCE03460CCEFAC86320A8494FDCCED35F71EE25EF3D03"
  • "apple-domain-verification=qOInipPgso3W8cmK"
  • "atlassian-domain-verification=672RcADvt8BPqsb9gCN2ZC5DoTAhUT8abC1blYKQxi/MHMaGoA/BuvjFMaWRtgd7"
  • "miro-verification=53bf5ccd47cb6239fe5cf14c3b328050dd5679ac"
  • "fastly-domain-delegation-e9a758d22183504af2d5ab4d9a9853da-20210127"
  • "airtable-verification=606530d538d1833c5fc724117ca5409a"
  • "fastly-domain-delegation-w049tcm0w48ds-341317-20210209"
  • "wiz-domain-verification=af241e6396696eedf1b361891435f6b21bdebb5621941d99279298c076b5bf5f"
  • "google-site-verification=r-K1CIdXkgRWxZstUHtVyM2UfwflnGgr4AR9_Qhk28Q"
  • "yahoo-verification-key=2B33D2zyxdBOxUw/abowAuwQ2pdtznP6ULDfQC3ag2g="
  • "docker-verification=4c56633a-274e-4858-88a2-2aeceffcfd66"
  • "926723159-3188410"
  • "google-site-verification=DN8r8LEcNiPYD95x3VnUM7Q6BH2H3390qvdIy4QjpvU"
  • "google-site-verification=V3t2K3dvr9fcd1YWwwanSmebEOO_UNTP06HR2_gUO5M"
  • "facebook-domain-verification=qr2nigspzrpa96j1nd9criovuuwino"
  • "fastly-domain-delegation-im0VCGY5X0axEEmhXJb2-347911-20210310"
  • "OSSRH-97236"
  • "amazonses:mX+ylQj+fJAfh9pr03yIR7YvjKZ1bOo5ABegqM/5pvI="
  • "v=spf1 redirect=spfa._spf.cisco.com"
  • "airtable-verification=8cd8b684d3d85964f2769dcb89944501"
  • "jetbrains-domain-verification=e9mcf886rjng68x4qu59h22ef"
  • "bfefecbd-d5df-4b3a-b0dd-54bf5c72e698"
  • "twilio-domain-verification=268434bd6a91bdd8d3bb5e6cffeeace7"
  • "atlassian-domain-verification=Gt2demeKDLmtNc9kPZhaAHFA37DEIcmFGUd6LARvB4yjLG70s3WZhaJJ15y499sb"
  • "airtable-verification=4114c0f710cfc430d841e55ed7ed920d"
  • "MS=ms35724259"
  • "airtable-verification=d95d028f039252314cb7507fb88e4317"
  • "adobe-idp-site-verification=c900335b8b825859b51473b9943a3880ae795df47426483b0a67630377a902f5"
  • "flexera-domain-verification-nsbtshbvpbsmbnzh"
  • "facebook-domain-verification=1zoxo8z7t013gpruxmhc8dkerq47vh"
  • "amazonses:QbUv5pPHGQxRy1vKA0J7Y/biE9oR6MTxOTI1bZIfjsw="
  • "jamf-site-verification=0mwRCzzRvk_HiKjmiqR3Lw"
  • "postman-domain-verification=bac0835520fcf3b408c07c584b3575452de5930d08a942cc0d000f1267a5b20de395ce8ccce9d6a6d58feff7c25f4000a22cd36968d8ac95ff234ab22ab264bb"
  • "intercom-domain-validation=8806e2f9-7626-4d9e-ae4d-2d655028629a"
  • "elevenlabs=X_8Xi7v2hC20yVbziZuWtkapfDzUtNK3BogfZKVe9gY"
NS 5 records
  • ns1.cisco.com.
  • a28-64.akam.net.
  • ns2.cisco.com.
  • a3-64.akam.net.
  • ns3.cisco.com.
CAA 11 records
  • 0 issue "pki.goog"
  • 0 issue "letsencrypt.org"
  • 128 issuewild "digicert.com"
  • 128 issuewild "identrust.com"
  • 0 issue "identrust.com"
  • 0 issue "digicert.com"
  • 128 iodef "mailto:infosec@cisco.com"
  • 0 issue "ssl.com"
  • 128 issuewild "ssl.com"
  • 0 issue "globalsign.com"
  • 0 issue "amazon.com"
SOA 1 record
  • ns1.cisco.com. postmaster.cisco.com. 1218610 7200 1800 864000 1800
Registration

WHOIS / RDAP

Registration data for cisco.com via the RDAP protocol, with port-43 WHOIS fallback if RDAP is unavailable.

whois via rdap.org
Registrar
MarkMonitor Inc.
Created
1987-05-14T04:00:00Z
Updated
2026-04-13T09:54:02Z
Expires
2027-05-15T04:00:00Z
Handle
4987030_DOMAIN_COM-VRSN
Nameservers
A28-64.AKAM.NETA3-64.AKAM.NETNS1.CISCO.COMNS2.CISCO.COMNS3.CISCO.COM
Status
client delete prohibitedclient transfer prohibitedclient update prohibitedserver delete prohibitedserver transfer prohibitedserver update prohibited
TLS

SSL Certificate

Live TLS handshake against cisco.com. No third-party scanner.

ssl 130 days remaining
Issuer
CN=HydrantID Server CA O1,OU=HydrantID Trusted Certificate Service,O=IdenTrust,C=US
Subject
CN=www.cisco.com,O=Cisco Systems Inc.,L=San Jose,ST=California,C=US
Valid from
2025-08-22T04:22:07+00:00
Valid to
2026-09-21T04:21:07+00:00
Serial
85078883433803127357096754668843084833
SANs (16)
cisco.comwww.cisco.comwww1.cisco.comwww2.cisco.comwww3.cisco.comwww-01.cisco.comwww-02.cisco.comwww-rtp.cisco.comwww1-ss2.cisco.comwww2-ss1.cisco.comwww3-ss1.cisco.comwww3-ss2.cisco.comwww.static-cisco.comredirect-ns.cisco.comcisco-images.cisco.comwww.mediafiles-cisco.com
Reconnaissance

Subdomains discovered

Aggregated from Certificate Transparency logs (crt.sh, certspotter, hackertarget) with DNS bruteforce fallback if all CT sources fail.

⚠ Partial results — crt.sh status 429 · certspotter rate-limited · hackertarget limited: API count exceeded - Increase Quota with Membership
subdomains 25 found
crt.sh status 429 certspotter rate-limited hackertarget limited: API count exceeded - Increase Quota with Membership dns-brute ok +25 (wordlist 54)
  • api.cisco.com
  • app.cisco.com
  • apps.cisco.com
  • autodiscover.cisco.com
  • beta.cisco.com
  • cdn.cisco.com
  • demo.cisco.com
  • docs.cisco.com
  • email.cisco.com
  • ftp.cisco.com
  • help.cisco.com
  • m.cisco.com
  • mail.cisco.com
  • media.cisco.com
  • ns1.cisco.com
  • ns2.cisco.com
  • ns3.cisco.com
  • secure.cisco.com
  • shop.cisco.com
  • stage.cisco.com
  • status.cisco.com
  • store.cisco.com
  • support.cisco.com
  • vpn.cisco.com
  • www.cisco.com
Email

Email Security Posture

SPF and DMARC presence and records for cisco.com. DKIM requires a known selector and is not auto-discoverable.

SPF present
  • v=spf1 redirect=spfa._spf.cisco.com
DMARC present
  • v=DMARC1; p=reject; pct=100; sp=reject; fo=1; ri=3600; rua=mailto:ynldvgsr@ag.dmarcian.com; ruf=mailto:ynldvgsr@fr.dmarcian.com;
DKIM selector required

DKIM requires selector; not auto-discoverable

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