cx-feedback.cisco.com - robtex.com
cx-feedback.cisco.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.cisco.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2001:420:1101:6::a🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns1.cisco.com | ||||||
| A | 72.163.5.201🇺🇸 ASNTTCISCO72.163.0.0/18 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns1.cisco.com | ||||||
| NS | ns2.cisco.com ⚠️ Not in parent delegation | ||||||
| A | 2001:420:2041:5000::a🇺🇸 ASNTTCISCO2001:420:2000::/35 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns2.cisco.com | ||||||
| A | 64.102.255.44🇺🇸 ASNTTCISCO64.102.0.0/16 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns2.cisco.com | ||||||
| NS | ns3.cisco.com ⚠️ Not in parent delegation | ||||||
| A | 2001:420:1201:7::a🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns3.cisco.com | ||||||
| A | 173.37.146.41🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns3.cisco.com | ||||||
| MX | alln-mx-01.cisco.com ⭐ | ||||||
| A | 2001:420:1201:6::ad25:93e6🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | alln-mx-01.cisco.com | ||||||
| A | 173.37.147.230🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | alln-mx-01.cisco.com | ||||||
| MX | rcdn-mx-01.cisco.com(20) | ||||||
| A | 2001:420:1101:7::48a3:166🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | rcdn-mx-01.cisco.com | ||||||
| A | 72.163.7.166🇺🇸 ASNTTCISCO72.163.7.0/24 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | rcdn-mx-01.cisco.com | ||||||
| MX | aer-mx-01.cisco.com(30) | ||||||
| A | 2001:420:4621::ad26:d496🇳🇱 ASNTTCISCO2001:420:4000::/36 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | aer-mx-01.cisco.com | ||||||
| A | 173.38.212.150🇳🇱 ASNTTCISCO173.38.128.0/17 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | aer-mx-01.cisco.com | ||||||
| TXT | v=spf1 include:_spf.qualtrics.com ~all | ||||||
| SOA | ns1.cisco.compostmaster@cisco.com serial=6 | ||||||
cisco.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:420:1101:1::185🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| A | 72.163.4.185🇺🇸 ASNTTCISCO72.163.4.0/24 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| NS | ns1.cisco.com ⭐ | ||||||
| NS | a28-64.akam.net ⚠️ Not in parent delegation | ||||||
| NS | a3-64.akam.net ⚠️ Not in parent delegation | ||||||
| NS | ns2.cisco.com | ||||||
| NS | ns3.cisco.com | ||||||
| MX | alln-mx-01.cisco.com ⭐ | ||||||
| MX | rcdn-mx-01.cisco.com(20) | ||||||
| MX | aer-mx-01.cisco.com(30) | ||||||
| TXT | atlassian-domain-verification=7JYRlY9ijBijTJ0YS5a8/58DU7OfKAHMYRufcy0TC57j2mN... | ||||||
| TXT | pendo-domain-verification=c9796502-c914-4e50-892d-e426f2ac68e9 | ||||||
| TXT | google-site-verification=r-K1CIdXkgRWxZstUHtVyM2UfwflnGgr4AR9_Qhk28Q | ||||||
| TXT | jetbrains-domain-verification=e9mcf886rjng68x4qu59h22ef | ||||||
| TXT | hubspot-domain-verification=NDQzNGY2ZWEtZTY0ZC00ZDQyLWI4YzctOGRkNDVjNTQ4YTAx | ||||||
| TXT | google-site-verification=V3t2K3dvr9fcd1YWwwanSmebEOO_UNTP06HR2_gUO5M | ||||||
| TXT | 926723159-3188410 | ||||||
| TXT | duo_sso_verification=IYdVUIrb2L95JVejSXV3hfsJVDZolQKKOPBztlD6TIgfCRSKeMuf8Wgb... | ||||||
| TXT | fastly-domain-delegation-im0VCGY5X0axEEmhXJb2-347911-20210310 | ||||||
| TXT | adobe-aem-verification=www-devint-cloud.cisco.com/24859/366173/9418f2a2-ef45-... | ||||||
| TXT | airtable-verification=d95d028f039252314cb7507fb88e4317 | ||||||
| TXT | google-site-verification=lW5eqPMJI4VrLc28YW-JBkqA-FDNVnhFCXQVDvFqZTo | ||||||
| TXT | pendo-domain-verification=Ad800_b0VJCaE7Ued9Ug3pIQ_V4 | ||||||
| TXT | amazonses:mX+ylQj+fJAfh9pr03yIR7YvjKZ1bOo5ABegqM/5pvI= | ||||||
| TXT | airtable-verification=8bf444fd0fad14a3aae2681cb7d68641 | ||||||
| TXT | duo_sso_verification=pG21Oj5OPCxRPsWXsfbauWT9oua82cKtYUPAmsQvovKNq3xqWEcsEMEA... | ||||||
| TXT | airtable-verification=4114c0f710cfc430d841e55ed7ed920d | ||||||
| TXT | airtable-verification=8cd8b684d3d85964f2769dcb89944501 | ||||||
| TXT | flexera-domain-verification-nsbtshbvpbsmbnzh | ||||||
| TXT | asv=ac90e11808e87cfbf8768e69819b1aca | ||||||
| TXT | docusign=5e18de8e-36d0-4a8e-8e88-b7803423fa2f | ||||||
| TXT | duo_sso_verification=sKMGaTln2vmQuKwaE4hKtTEY1UYn2JzAaxSZzGjkgJrKuZChN344mhIp... | ||||||
| TXT | facebook-domain-verification=qr2nigspzrpa96j1nd9criovuuwino | ||||||
| TXT | sending_domain1067842=8806a83586b0389c05457f8b2f06e4859b3f1b0d6bad52e5fee552b... | ||||||
| TXT | duo_sso_verification=6Q7pJwSZ3damWHBcB8TNd9I5oduLRAFDDhip2pTFaa3QoIZtZnCgzjyZ... | ||||||
| TXT | atlassian-domain-verification=672RcADvt8BPqsb9gCN2ZC5DoTAhUT8abC1blYKQxi/MHMa... | ||||||
| TXT | wiz-domain-verification=af241e6396696eedf1b361891435f6b21bdebb5621941d9927929... | ||||||
| TXT | airtable-verification=606530d538d1833c5fc724117ca5409a | ||||||
| TXT | MS=ms35724259 | ||||||
| TXT | amazonses:7LyiKZmpuGja4+KbA4xX3lN69yajYKLkHH4QJcWnuwo= | ||||||
| TXT | v=spf1 redirect=spfa._spf.cisco.com | ||||||
| TXT | SFMC-o7HX74BQ79k7glpt_qjlF2vmZO9DpqLtYxKLwg87 | ||||||
| TXT | apple-domain-verification=qOInipPgso3W8cmK | ||||||
| TXT | docusign=95052c5f-a421-4594-9227-02ad2d86dfbe | ||||||
| TXT | amazonses:QbUv5pPHGQxRy1vKA0J7Y/biE9oR6MTxOTI1bZIfjsw= | ||||||
| TXT | c900335b8b825859b51473b9943a3880ae795df47426483b0a67630377a902f5 | ||||||
| TXT | google-site-verification=DN8r8LEcNiPYD95x3VnUM7Q6BH2H3390qvdIy4QjpvU | ||||||
| TXT | miro-verification=53bf5ccd47cb6239fe5cf14c3b328050dd5679ac | ||||||
| TXT | jamf-site-verification=0mwRCzzRvk_HiKjmiqR3Lw | ||||||
| TXT | OSSRH-97236 | ||||||
| TXT | cursor-domain-verification-evn8nj=Ml5OeQYe3sBg8uZOIeRrJgCO7 | ||||||
| TXT | workplace-domain-verification=Uhv7QPQ22nbuD3vG0jspf7R6LruYoS | ||||||
| TXT | bfefecbd-d5df-4b3a-b0dd-54bf5c72e698 | ||||||
| TXT | ZOOM_verify_Gf6CaEdJ5aKGvjcUrZRkiA | ||||||
| TXT | elevenlabs=X_8Xi7v2hC20yVbziZuWtkapfDzUtNK3BogfZKVe9gY | ||||||
| TXT | atlassian-domain-verification=AYTzL6wSVsW0IdyQp7gwv6lwtHdpMATnb8QriqyJ0niAaZc... | ||||||
| TXT | pendo-domain-verification=c9d2fba1-7d94-4cf9-a6fb-310883c8bb15 | ||||||
| TXT | mixpanel-domain-verify=2c6cb1aa-a3fb-44b9-ad10-d6b744109963 | ||||||
| TXT | docker-verification=4c56633a-274e-4858-88a2-2aeceffcfd66 | ||||||
| TXT | fastly-domain-delegation-e9a758d22183504af2d5ab4d9a9853da-20210127 | ||||||
| TXT | twilio-domain-verification=268434bd6a91bdd8d3bb5e6cffeeace7 | ||||||
| TXT | mZvHszGlmDhvPOUKL+6JMiw/VtckyOMKjcw1PLcjYowxM2PVLX2xG0ZSgdHRm8HXfaaGR2pMvhIrB... | ||||||
| TXT | cloudflare_dashboard_sso=f60a7d128e406b8d9dd4103dd3554f6b | ||||||
| TXT | QuoVadis=94d4ae74-ecd5-4a33-975e-a0d7f546c801 | ||||||
| TXT | airtable-verification=c0b5bd3f3db736f775f0dbe4e103cdea | ||||||
| TXT | sending_domain731003=25e34fadea88da7e64f0fab1e32d094f1f1e0fb2b97622deac2521f7... | ||||||
| TXT | identrust_validation=IGfVhawoLyaH5CKT49RKObpqHgYyXRvd691dO1oCEOfh | ||||||
| TXT | google-site-verification=Vc0Pir22m1u9yw5HjXf6TYO6rlAI9EY8IVKUma-OqDY | ||||||
| TXT | yahoo-verification-key=2B33D2zyxdBOxUw/abowAuwQ2pdtznP6ULDfQC3ag2g= | ||||||
| TXT | adobe-idp-site-verification=c900335b8b825859b51473b9943a3880ae795df47426483b0... | ||||||
| TXT | stripe-verification=2B4F3B35976CFB93CA884A90BF3E0A8873EAC7C5AFD06D7047E87B794... | ||||||
| TXT | notion-domain-verification=IsKmFIvIIP8RUQNn4ZGQjzuCdZnI7TY7xcIYb65QQE8 | ||||||
| TXT | pendo-domain-verification=5995ba9c-9bf8-43d8-9e5a-309856760011 | ||||||
| TXT | fastly-domain-delegation-w049tcm0w48ds-341317-20210209 | ||||||
| TXT | atlassian-domain-verification=Gt2demeKDLmtNc9kPZhaAHFA37DEIcmFGUd6LARvB4yjLG7... | ||||||
| TXT | google-site-verification=9MlQU9MMQ1jHLMUkONKe6QzZ-ZIGRv0BCD1_rY1Zdmc | ||||||
| TXT | stripe-verification=0BAD851A6A7ACC4A12DDCE03460CCEFAC86320A8494FDCCED35F71EE2... | ||||||
| TXT | flexera-domain-verification-oxonqwdadtkprrcn | ||||||
| TXT | notion-domain-verification=7sz4S3LLtNIHZpYsgTTgOcRLlLrJ5JrmIgVcdRtGi1X | ||||||
| TXT | h1-domain-verification=rix5vuxntVpma4rTL2DbE3FDrrPjedhnRaqaHvghyod3egmZ | ||||||
| TXT | airtable-verification=18787f2dc47697bb547e871772aba0be | ||||||
| TXT | google-site-verification=qPS9ZkoQ-Og1rBrM1_N7z-tNJNy2BVxE8lw6SB2iFdk | ||||||
| TXT | intercom-domain-validation=8806e2f9-7626-4d9e-ae4d-2d655028629a | ||||||
| TXT | google-site-verification=WmdDuSXl3PMb-48qcY6VUbW9kzNPe46zn9uDwgB2wX0 | ||||||
| TXT | adobe-aem-verification=www-idev-cloud.cisco.com/24859/366204/1b990ef7-ff88-49... | ||||||
| TXT | atlassian-domain-verification=UwP1ncfiphlFs+wRx8wIBSXDScwNL7Jrw7tq2rnYz3+9T5+... | ||||||
| TXT | duo_sso_verification=AxenLdoqIXzjl2RJzE1BlOfkawDbDFlnbyvjAt8vcjKHBkvYwEMySDRk... | ||||||
| TXT | fastly-domain-delegation-z9slsbDdX0-368365-2021-05-14 | ||||||
| TXT | atlassian-domain-verification=2ldosmg0o2Mhpyok1OISaSGygWU9zk6fLLWdoczXtHap9lu... | ||||||
| TXT | facebook-domain-verification=1zoxo8z7t013gpruxmhc8dkerq47vh | ||||||
| TXT | airtable-verification=d886631ce96b77ba775f9bddab44df92 | ||||||
| TXT | stripe-verification=8e54fae7680b23aad6d5e3417be73a043f7e45cd2767272dbe0c9c6ea... | ||||||
| SOA | ns1.cisco.compostmaster@cisco.com serial=1199374 | ||||||
rank #306 globally
rank #199 in the tld
This domain name, "cisco.com", is associated with Cisco Systems Inc, a multinational technology company based in San Jose, California, United States. The company specializes in networking hardware and software, telecommunications equipment, and other high-technology services and products. Its domain name is used for its official website where it provides information about its products, services, solutions, support, and more.WOT: SAFE (93/100)
📈 Tranco rank: #247
Cisco Systems is a multinational technology company founded in 1984, dominating the network infrastructure market. Cisco's routers and switches form the backbone of the internet and enterprise networks globally, with annual revenue exceeding $50 billion.
Cisco's portfolio includes networking hardware, security solutions, collaboration tools (Webex), and cloud services. The company has made numerous acquisitions including Webex, AppDynamics, and Duo Security.
Cisco's infrastructure supports massive global operations including Webex video conferencing serving millions of meetings daily.
DNS for cisco.com uses a hybrid setup with multiple providers for global resilience appropriate for a networking company.
Same first word
DNS History
6 records (6 active, 0 former)
●MXaer-mx-01.cisco.com2026-02-24 → 2026-04-02 · 2 obs
● 2026-02-24 14:29:22
● 2026-04-02 17:24:10
● 2026-04-02 17:24:10
●MXalln-mx-01.cisco.com2026-02-24 → 2026-04-02 · 2 obs
● 2026-02-24 14:29:22
● 2026-04-02 17:24:10
● 2026-04-02 17:24:10
●MXrcdn-mx-01.cisco.com2026-02-24 → 2026-04-02 · 2 obs
● 2026-02-24 14:29:22
● 2026-04-02 17:24:10
● 2026-04-02 17:24:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| cisco.com | ns1.cisco.com, ns2.cisco.com, a3-64.akam.net, a28-64.akam.net... | 6 records |
✅ Authoritative Response
Server:72.163.5.201
NS records: ns1.cisco.com, ns2.cisco.com, a3-64.akam.net, a28-64.akam.net, ns3.cisco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cisco.com (unsigned zone)
⏱️ Timing
Total: 223ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.cisco.com, ns3.cisco.com... |
| MX | 3 | rcdn-mx-01.cisco.com (pri: 20), alln-mx-01.cisco.com (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.qualtrics.com ~all |
| SOA | 1 | ns1.cisco.com postmaster.cisco.com |
📌 Glue Records Collected
Total: 6
In-bailiwick: 6 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)
Analysis
Name Servers
cx-feedback.cisco.com is delegated to name servers ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
cx-feedback.cisco.com at least partially shares name servers with other domains such as audiumcorp.com, allegrosys.com, workforceretrainingus.com, cisco.career and ciscosystems.ac.
Host names with two IP numbers:
ns1.cisco.com points to 2001:420:1101:6::a and 72.163.5.201.
ns2.cisco.com points to 2001:420:2041:5000::a and 64.102.255.44.
ns3.cisco.com points to 2001:420:1201:7::a and 173.37.146.41.
Mail Servers
cx-feedback.cisco.com is handled by three mail servers: aer-mx-01.cisco.com, alln-mx-01.cisco.com and rcdn-mx-01.cisco.com.
cx-feedback.cisco.com shares mail servers with other domains at least in part, for instance tandberg.ca, imimobile.co.za, wininteractive.net, teltier.net and jasperwireless.com.
these mail servers are often used together with mail1.dynamicsoft.com, ams-mx-01.cisco.com and rtp-mx-01.cisco.com.
Host names with two IP numbers:
aer-mx-01.cisco.com points to 2001:420:4621::ad26:d496 and 173.38.212.150.
alln-mx-01.cisco.com points to 2001:420:1201:6::ad25:93e6 and 173.37.147.230.
rcdn-mx-01.cisco.com points to 2001:420:1101:7::48a3:166 and 72.163.7.166.