`ns1-3.cisco.com`

DNSSEC	⚠️ Not signed
A	13.238.58.181^{🇦🇺 Amazon13.236.0.0/14}
		PTR	`ec2-13-238-58-181.ap-southeast-2.compute.amazonaws.com`

`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	`airtable-verification=8bf444fd0fad14a3aae2681cb7d68641`
	TXT	`QuoVadis=94d4ae74-ecd5-4a33-975e-a0d7f546c801`
	TXT	`stripe-verification=0BAD851A6A7ACC4A12DDCE03460CCEFAC86320A8494FDCCED35F71EE2...`
	TXT	`google-site-verification=qPS9ZkoQ-Og1rBrM1_N7z-tNJNy2BVxE8lw6SB2iFdk`
	TXT	`workplace-domain-verification=Uhv7QPQ22nbuD3vG0jspf7R6LruYoS`
	TXT	`docusign=95052c5f-a421-4594-9227-02ad2d86dfbe`
	TXT	`ms-domain-verification=e0289fac-4a94-41df-b2b0-794347e490b7`
	TXT	`fastly-domain-delegation-im0VCGY5X0axEEmhXJb2-347911-20210310`
	TXT	`flexera-domain-verification-nsbtshbvpbsmbnzh`
	TXT	`OSSRH-97236`
	TXT	`duo_sso_verification=AxenLdoqIXzjl2RJzE1BlOfkawDbDFlnbyvjAt8vcjKHBkvYwEMySDRk...`
	TXT	`flexera-domain-verification-oxonqwdadtkprrcn`
	TXT	`ZOOM_verify_Gf6CaEdJ5aKGvjcUrZRkiA`
	TXT	`twilio-domain-verification=268434bd6a91bdd8d3bb5e6cffeeace7`
	TXT	`SFMC-o7HX74BQ79k7glpt_qjlF2vmZO9DpqLtYxKLwg87`
	TXT	`adobe-idp-site-verification=c900335b8b825859b51473b9943a3880ae795df47426483b0...`
	TXT	`jamf-site-verification=0mwRCzzRvk_HiKjmiqR3Lw`
	TXT	`pendo-domain-verification=5995ba9c-9bf8-43d8-9e5a-309856760011`
	TXT	`fastly-domain-delegation-z9slsbDdX0-368365-2021-05-14`
	TXT	`amazonses:7LyiKZmpuGja4+KbA4xX3lN69yajYKLkHH4QJcWnuwo=`
	TXT	`docusign=5e18de8e-36d0-4a8e-8e88-b7803423fa2f`
	TXT	`postman-domain-verification=bac0835520fcf3b408c07c584b3575452de5930d08a942cc0...`
	TXT	`atlassian-domain-verification=AYTzL6wSVsW0IdyQp7gwv6lwtHdpMATnb8QriqyJ0niAaZc...`
	TXT	`identrust_validation=IGfVhawoLyaH5CKT49RKObpqHgYyXRvd691dO1oCEOfh`
	TXT	`atlassian-domain-verification=UwP1ncfiphlFs+wRx8wIBSXDScwNL7Jrw7tq2rnYz3+9T5+...`
	TXT	`google-site-verification=Vc0Pir22m1u9yw5HjXf6TYO6rlAI9EY8IVKUma-OqDY`
	TXT	`duo_sso_verification=pG21Oj5OPCxRPsWXsfbauWT9oua82cKtYUPAmsQvovKNq3xqWEcsEMEA...`
	TXT	`duo_sso_verification=6Q7pJwSZ3damWHBcB8TNd9I5oduLRAFDDhip2pTFaa3QoIZtZnCgzjyZ...`
	TXT	`fastly-domain-delegation-e9a758d22183504af2d5ab4d9a9853da-20210127`
	TXT	`jetbrains-domain-verification=e9mcf886rjng68x4qu59h22ef`
	TXT	`pendo-domain-verification=Ad800_b0VJCaE7Ued9Ug3pIQ_V4`
	TXT	`cloudflare_dashboard_sso=f60a7d128e406b8d9dd4103dd3554f6b`
	TXT	`stripe-verification=8e54fae7680b23aad6d5e3417be73a043f7e45cd2767272dbe0c9c6ea...`
	TXT	`sending_domain1067842=8806a83586b0389c05457f8b2f06e4859b3f1b0d6bad52e5fee552b...`
	TXT	`sending_domain731003=25e34fadea88da7e64f0fab1e32d094f1f1e0fb2b97622deac2521f7...`
	TXT	`duo_sso_verification=sKMGaTln2vmQuKwaE4hKtTEY1UYn2JzAaxSZzGjkgJrKuZChN344mhIp...`
	TXT	`fastly-domain-delegation-w049tcm0w48ds-341317-20210209`
	TXT	`atlassian-domain-verification=7JYRlY9ijBijTJ0YS5a8/58DU7OfKAHMYRufcy0TC57j2mN...`
	TXT	`airtable-verification=4114c0f710cfc430d841e55ed7ed920d`
	TXT	`amazonses:mX+ylQj+fJAfh9pr03yIR7YvjKZ1bOo5ABegqM/5pvI=`
	TXT	`google-site-verification=V3t2K3dvr9fcd1YWwwanSmebEOO_UNTP06HR2_gUO5M`
	TXT	`google-site-verification=9MlQU9MMQ1jHLMUkONKe6QzZ-ZIGRv0BCD1_rY1Zdmc`
	TXT	`926723159-3188410`
	TXT	`airtable-verification=18787f2dc47697bb547e871772aba0be`
	TXT	`airtable-verification=d95d028f039252314cb7507fb88e4317`
	TXT	`mixpanel-domain-verify=2c6cb1aa-a3fb-44b9-ad10-d6b744109963`
	TXT	`c900335b8b825859b51473b9943a3880ae795df47426483b0a67630377a902f5`
	TXT	`MS=ms35724259`
	TXT	`facebook-domain-verification=qr2nigspzrpa96j1nd9criovuuwino`
	TXT	`google-site-verification=lW5eqPMJI4VrLc28YW-JBkqA-FDNVnhFCXQVDvFqZTo`
	TXT	`google-site-verification=WmdDuSXl3PMb-48qcY6VUbW9kzNPe46zn9uDwgB2wX0`
	TXT	`bfefecbd-d5df-4b3a-b0dd-54bf5c72e698`
	TXT	`elevenlabs=X_8Xi7v2hC20yVbziZuWtkapfDzUtNK3BogfZKVe9gY`
	TXT	`airtable-verification=c0b5bd3f3db736f775f0dbe4e103cdea`
	TXT	`pendo-domain-verification=c9d2fba1-7d94-4cf9-a6fb-310883c8bb15`
	TXT	`amazonses:QbUv5pPHGQxRy1vKA0J7Y/biE9oR6MTxOTI1bZIfjsw=`
	TXT	`atlassian-domain-verification=672RcADvt8BPqsb9gCN2ZC5DoTAhUT8abC1blYKQxi/MHMa...`
	TXT	`airtable-verification=8cd8b684d3d85964f2769dcb89944501`
	TXT	`docker-verification=4c56633a-274e-4858-88a2-2aeceffcfd66`
	TXT	`cursor-domain-verification-evn8nj=Ml5OeQYe3sBg8uZOIeRrJgCO7`
	TXT	`apple-domain-verification=qOInipPgso3W8cmK`
	TXT	`google-site-verification=DN8r8LEcNiPYD95x3VnUM7Q6BH2H3390qvdIy4QjpvU`
	TXT	`hubspot-domain-verification=NDQzNGY2ZWEtZTY0ZC00ZDQyLWI4YzctOGRkNDVjNTQ4YTAx`
	TXT	`google-site-verification=r-K1CIdXkgRWxZstUHtVyM2UfwflnGgr4AR9_Qhk28Q`
	TXT	`h1-domain-verification=rix5vuxntVpma4rTL2DbE3FDrrPjedhnRaqaHvghyod3egmZ`
	TXT	`asv=ac90e11808e87cfbf8768e69819b1aca`
	TXT	`pendo-domain-verification=c9796502-c914-4e50-892d-e426f2ac68e9`
	TXT	`miro-verification=53bf5ccd47cb6239fe5cf14c3b328050dd5679ac`
	TXT	`mZvHszGlmDhvPOUKL+6JMiw/VtckyOMKjcw1PLcjYowxM2PVLX2xG0ZSgdHRm8HXfaaGR2pMvhIrB...`
	TXT	`notion-domain-verification=7sz4S3LLtNIHZpYsgTTgOcRLlLrJ5JrmIgVcdRtGi1X`
	TXT	`v=spf1 redirect=spfa._spf.cisco.com`
	TXT	`intercom-domain-validation=8806e2f9-7626-4d9e-ae4d-2d655028629a`
	TXT	`facebook-domain-verification=1zoxo8z7t013gpruxmhc8dkerq47vh`
	TXT	`airtable-verification=d886631ce96b77ba775f9bddab44df92`
	TXT	`yahoo-verification-key=2B33D2zyxdBOxUw/abowAuwQ2pdtznP6ULDfQC3ag2g=`
	TXT	`stripe-verification=2B4F3B35976CFB93CA884A90BF3E0A8873EAC7C5AFD06D7047E87B794...`
	TXT	`wiz-domain-verification=af241e6396696eedf1b361891435f6b21bdebb5621941d9927929...`
	TXT	`atlassian-domain-verification=2ldosmg0o2Mhpyok1OISaSGygWU9zk6fLLWdoczXtHap9lu...`
	TXT	`notion-domain-verification=IsKmFIvIIP8RUQNn4ZGQjzuCdZnI7TY7xcIYb65QQE8`
	TXT	`airtable-verification=606530d538d1833c5fc724117ca5409a`
	TXT	`atlassian-domain-verification=Gt2demeKDLmtNc9kPZhaAHFA37DEIcmFGUd6LARvB4yjLG7...`
	TXT	`duo_sso_verification=IYdVUIrb2L95JVejSXV3hfsJVDZolQKKOPBztlD6TIgfCRSKeMuf8Wgb...`
	TXT	`adobe-aem-verification=www-devint-cloud.cisco.com/24859/366173/9418f2a2-ef45-...`
	TXT	`adobe-aem-verification=www-idev-cloud.cisco.com/24859/366204/1b990ef7-ff88-49...`
	SOA	`ns1.cisco.com`postmaster@cisco.com serial=1209394

WOT: SAFE (93/100)
rank #303 globally
rank #196 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: #242

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.

NS for

smp.cisco.com

DNS History

1 record (1 active, 0 former)

●A13.238.58.1812020-01-04 → 2026-04-23 · 2 obs

● 2020-01-04 08:20:08
● 2026-04-23 21:48:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.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:173.37.146.41

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: 139ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.238.58.181`

📌 Glue Records Collected

Total: 6

In-bailiwick: 6 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)

Analysis

Name Server Role

ns1-3.cisco.com serves as a name server for smp.cisco.com.

Typically, ns1-1.cisco.com and ns1-2.cisco.com are used as name servers together with ns1-3.cisco.com.

IP Addresses

ns1-3.cisco.com resolves to one IP number: 13.238.58.181.

ns1-3.cisco.com - robtex.com

ns1-3.cisco.com

cisco.com