`gus.cisco.com`

DNSSEC	⚠️ Not signed
NS	`ns-2.awsdns-00.com` ⭐
		A	2600:9000:5300:200::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-2.awsdns-00.com`
		A	205.251.192.2^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-2.awsdns-00.com`
NS	`ns-1508.awsdns-60.org`
		A	2600:9000:5305:e400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1508.awsdns-60.org`
		A	205.251.197.228^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1508.awsdns-60.org`
NS	`ns-1627.awsdns-11.co.uk`
		A	2600:9000:5306:5b00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1627.awsdns-11.co.uk`
		A	205.251.198.91^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1627.awsdns-11.co.uk`
NS	`ns-603.awsdns-11.net`
		A	2600:9000:5302:5b00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-603.awsdns-11.net`
		A	205.251.194.91^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-603.awsdns-11.net`
NS	`ns-71.awsdns-08.com`
		A	2600:9000:5300:4700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-71.awsdns-08.com`
		A	205.251.192.71^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-71.awsdns-08.com`
SOA	`ns-2.awsdns-00.com`awsdns-hostmaster@amazon.com serial=1

`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=606530d538d1833c5fc724117ca5409a`
	TXT	`atlassian-domain-verification=7JYRlY9ijBijTJ0YS5a8/58DU7OfKAHMYRufcy0TC57j2mN...`
	TXT	`atlassian-domain-verification=AYTzL6wSVsW0IdyQp7gwv6lwtHdpMATnb8QriqyJ0niAaZc...`
	TXT	`anthropic-domain-verification-5dyq28=xkpw44itymPv0HXOvUdry99zb`
	TXT	`atlassian-domain-verification=UwP1ncfiphlFs+wRx8wIBSXDScwNL7Jrw7tq2rnYz3+9T5+...`
	TXT	`c900335b8b825859b51473b9943a3880ae795df47426483b0a67630377a902f5`
	TXT	`amazonses:7LyiKZmpuGja4+KbA4xX3lN69yajYKLkHH4QJcWnuwo=`
	TXT	`notion-domain-verification=IsKmFIvIIP8RUQNn4ZGQjzuCdZnI7TY7xcIYb65QQE8`
	TXT	`OSSRH-97236`
	TXT	`google-site-verification=9MlQU9MMQ1jHLMUkONKe6QzZ-ZIGRv0BCD1_rY1Zdmc`
	TXT	`stripe-verification=0BAD851A6A7ACC4A12DDCE03460CCEFAC86320A8494FDCCED35F71EE2...`
	TXT	`workplace-domain-verification=Uhv7QPQ22nbuD3vG0jspf7R6LruYoS`
	TXT	`duo_sso_verification=pG21Oj5OPCxRPsWXsfbauWT9oua82cKtYUPAmsQvovKNq3xqWEcsEMEA...`
	TXT	`sending_domain1067842=8806a83586b0389c05457f8b2f06e4859b3f1b0d6bad52e5fee552b...`
	TXT	`SFMC-o7HX74BQ79k7glpt_qjlF2vmZO9DpqLtYxKLwg87`
	TXT	`926723159-3188410`
	TXT	`facebook-domain-verification=1zoxo8z7t013gpruxmhc8dkerq47vh`
	TXT	`h1-domain-verification=rix5vuxntVpma4rTL2DbE3FDrrPjedhnRaqaHvghyod3egmZ`
	TXT	`duo_sso_verification=AxenLdoqIXzjl2RJzE1BlOfkawDbDFlnbyvjAt8vcjKHBkvYwEMySDRk...`
	TXT	`_v91byogpqpkdt9giz9d119ldke45oos`
	TXT	`amazonses:mX+ylQj+fJAfh9pr03yIR7YvjKZ1bOo5ABegqM/5pvI=`
	TXT	`adobe-aem-verification=www-idev-cloud.cisco.com/24859/366204/1b990ef7-ff88-49...`
	TXT	`QuoVadis=94d4ae74-ecd5-4a33-975e-a0d7f546c801`
	TXT	`twilio-domain-verification=268434bd6a91bdd8d3bb5e6cffeeace7`
	TXT	`fastly-domain-delegation-z9slsbDdX0-368365-2021-05-14`
	TXT	`bfefecbd-d5df-4b3a-b0dd-54bf5c72e698`
	TXT	`google-site-verification=V3t2K3dvr9fcd1YWwwanSmebEOO_UNTP06HR2_gUO5M`
	TXT	`adobe-aem-verification=www-devint-cloud.cisco.com/24859/366173/9418f2a2-ef45-...`
	TXT	`google-site-verification=qPS9ZkoQ-Og1rBrM1_N7z-tNJNy2BVxE8lw6SB2iFdk`
	TXT	`duo_sso_verification=IYdVUIrb2L95JVejSXV3hfsJVDZolQKKOPBztlD6TIgfCRSKeMuf8Wgb...`
	TXT	`fastly-domain-delegation-e9a758d22183504af2d5ab4d9a9853da-20210127`
	TXT	`docusign=95052c5f-a421-4594-9227-02ad2d86dfbe`
	TXT	`ZOOM_verify_Gf6CaEdJ5aKGvjcUrZRkiA`
	TXT	`docusign=5e18de8e-36d0-4a8e-8e88-b7803423fa2f`
	TXT	`airtable-verification=d886631ce96b77ba775f9bddab44df92`
	TXT	`airtable-verification=4114c0f710cfc430d841e55ed7ed920d`
	TXT	`airtable-verification=c0b5bd3f3db736f775f0dbe4e103cdea`
	TXT	`cursor-domain-verification-evn8nj=Ml5OeQYe3sBg8uZOIeRrJgCO7`
	TXT	`v=spf1 redirect=spfa._spf.cisco.com`
	TXT	`airtable-verification=8cd8b684d3d85964f2769dcb89944501`
	TXT	`docker-verification=4c56633a-274e-4858-88a2-2aeceffcfd66`
	TXT	`duo_sso_verification=sKMGaTln2vmQuKwaE4hKtTEY1UYn2JzAaxSZzGjkgJrKuZChN344mhIp...`
	TXT	`stripe-verification=8e54fae7680b23aad6d5e3417be73a043f7e45cd2767272dbe0c9c6ea...`
	TXT	`facebook-domain-verification=qr2nigspzrpa96j1nd9criovuuwino`
	TXT	`pendo-domain-verification=Ad800_b0VJCaE7Ued9Ug3pIQ_V4`
	TXT	`jamf-site-verification=0mwRCzzRvk_HiKjmiqR3Lw`
	TXT	`miro-verification=53bf5ccd47cb6239fe5cf14c3b328050dd5679ac`
	TXT	`stripe-verification=2B4F3B35976CFB93CA884A90BF3E0A8873EAC7C5AFD06D7047E87B794...`
	TXT	`apple-domain-verification=qOInipPgso3W8cmK`
	TXT	`flexera-domain-verification-oxonqwdadtkprrcn`
	TXT	`jetbrains-domain-verification=e9mcf886rjng68x4qu59h22ef`
	TXT	`mixpanel-domain-verify=2c6cb1aa-a3fb-44b9-ad10-d6b744109963`
	TXT	`identrust_validation=IGfVhawoLyaH5CKT49RKObpqHgYyXRvd691dO1oCEOfh`
	TXT	`airtable-verification=18787f2dc47697bb547e871772aba0be`
	TXT	`notion-domain-verification=7sz4S3LLtNIHZpYsgTTgOcRLlLrJ5JrmIgVcdRtGi1X`
	TXT	`cloudflare_dashboard_sso=f60a7d128e406b8d9dd4103dd3554f6b`
	TXT	`ms-domain-verification=e0289fac-4a94-41df-b2b0-794347e490b7`
	TXT	`postman-domain-verification=bac0835520fcf3b408c07c584b3575452de5930d08a942cc0...`
	TXT	`pendo-domain-verification=c9d2fba1-7d94-4cf9-a6fb-310883c8bb15`
	TXT	`MS=ms35724259`
	TXT	`pendo-domain-verification=5995ba9c-9bf8-43d8-9e5a-309856760011`
	TXT	`airtable-verification=d95d028f039252314cb7507fb88e4317`
	TXT	`intercom-domain-validation=8806e2f9-7626-4d9e-ae4d-2d655028629a`
	TXT	`google-site-verification=DN8r8LEcNiPYD95x3VnUM7Q6BH2H3390qvdIy4QjpvU`
	TXT	`google-site-verification=WmdDuSXl3PMb-48qcY6VUbW9kzNPe46zn9uDwgB2wX0`
	TXT	`asv=ac90e11808e87cfbf8768e69819b1aca`
	TXT	`amazonses:QbUv5pPHGQxRy1vKA0J7Y/biE9oR6MTxOTI1bZIfjsw=`
	TXT	`profound-domain-verification-4tbqdv=dgW9PRoomrumTvr2gfRW4H3B1`
	TXT	`atlassian-domain-verification=672RcADvt8BPqsb9gCN2ZC5DoTAhUT8abC1blYKQxi/MHMa...`
	TXT	`fastly-domain-delegation-w049tcm0w48ds-341317-20210209`
	TXT	`duo_sso_verification=6Q7pJwSZ3damWHBcB8TNd9I5oduLRAFDDhip2pTFaa3QoIZtZnCgzjyZ...`
	TXT	`atlassian-domain-verification=2ldosmg0o2Mhpyok1OISaSGygWU9zk6fLLWdoczXtHap9lu...`
	TXT	`pendo-domain-verification=c9796502-c914-4e50-892d-e426f2ac68e9`
	TXT	`google-site-verification=r-K1CIdXkgRWxZstUHtVyM2UfwflnGgr4AR9_Qhk28Q`
	TXT	`yahoo-verification-key=2B33D2zyxdBOxUw/abowAuwQ2pdtznP6ULDfQC3ag2g=`
	TXT	`elevenlabs=X_8Xi7v2hC20yVbziZuWtkapfDzUtNK3BogfZKVe9gY`
	TXT	`sending_domain731003=25e34fadea88da7e64f0fab1e32d094f1f1e0fb2b97622deac2521f7...`
	TXT	`flexera-domain-verification-nsbtshbvpbsmbnzh`
	TXT	`hubspot-domain-verification=NDQzNGY2ZWEtZTY0ZC00ZDQyLWI4YzctOGRkNDVjNTQ4YTAx`
	TXT	`google-site-verification=lW5eqPMJI4VrLc28YW-JBkqA-FDNVnhFCXQVDvFqZTo`
	TXT	`mZvHszGlmDhvPOUKL+6JMiw/VtckyOMKjcw1PLcjYowxM2PVLX2xG0ZSgdHRm8HXfaaGR2pMvhIrB...`
	TXT	`adobe-idp-site-verification=c900335b8b825859b51473b9943a3880ae795df47426483b0...`
	TXT	`twilio-domain-verification=3b5f92478e8c38980a265e599e1538c8`
	TXT	`airtable-verification=8bf444fd0fad14a3aae2681cb7d68641`
	TXT	`fastly-domain-delegation-im0VCGY5X0axEEmhXJb2-347911-20210310`
	TXT	`google-site-verification=Vc0Pir22m1u9yw5HjXf6TYO6rlAI9EY8IVKUma-OqDY`
	TXT	`wiz-domain-verification=af241e6396696eedf1b361891435f6b21bdebb5621941d9927929...`
	TXT	`atlassian-domain-verification=Gt2demeKDLmtNc9kPZhaAHFA37DEIcmFGUd6LARvB4yjLG7...`
	SOA	`ns1.cisco.com`postmaster@cisco.com serial=1250072

WOT: SAFE (92/100)
rank #298 globally
rank #189 in the tld

cisco.com

cisco.comis the official corporate website of Cisco Systems, Inc., a major multinational technology conglomerate that designs and sells networking hardware, software, and telecommunications equipment. It is one of the oldest registered domains on the internet.

Key facts

Owner / operator: Cisco Systems, Inc.
TLD:.com— gTLD
Primary purpose: corporate website
Status: active

History

Year	Event
1987	The domain name`cisco.com`is registered by Cisco Systems on May 14.
1992	Cisco launches "Cisco Information Online" (CIO), its first online service (via Telnet and modem), providing text-based technical resources.
1996	Cisco introduces e-commerce features on "Cisco Connection Online" (CCO), allowing customers to configure and purchase products directly on`cisco.com`.

Semrush Rank:#1,452 Keywords:870,973 Traffic:1,832,699/mo
WOT: SAFE (92/100)
📈 Tranco rank: #245

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.

Subdomains

jiragov.gus.cisco.com

Same first word

gus.kz

gus.info

gus.hu

gus.computer

gus.reisen

gus.news

gus.com.ua

gus.se

gus.kr

gus.zone

gus.me

gus.nyc

gus.ro

gus.mx

gus.life

gus.global

gus.digital

gus.gov.pl

gus.photos

gus.host

gus.ch

gus.gr

gus.org

gus.mobi

gus.fm

gus.services

gus.pw

gus.net

gus.ca

gus.la

gus.co.il

gus.ie

gus.com

gus.chat

gus.holdings

gus.bet

gus.cz

gus.pl

gus.be

gus.co

gus.jp

gus.to

gus.email

gus.lv

gus.ru

gus.education

gus.biz

gus.com.ar

gus.tv

gus.gmbh

gus.sk

gus.money

gus.dk

gus.fr

gus.so

gus.li

gus.nl

gus.no

gus.insure

gus.us

gus.com.tw

gus.at

gus.nu

gus.world

gus.co.nz

gus.expert

gus.cn

gus.de

gus.im

Similar names

sgu.uk

gsu.be

ugs.cc

usg.ua

sug.ar

gsu.net

sgu.com

ugs.ca

gsu.su

sgu.gov.pt

gsu.us

gsu.info

usg.ro

usg.at

usg.es

sgu.co.kr

sug.finance

usg.co.nz

usg.ac.id

sug.io

sgu.ac.in

gsu.az

sug.be

sug.no

ugs.kz

usg.pl

usg.cn

usg.bg

sug.org.pl

sgu.rentals

gsu.com.br

usg.ru

sgu.gd.cn

gsu.pics

gsu.com.ua

usg.by

ugs.com.cn

ugs.ru

ugs.es

sgu.vn

gsu.construction

ugs.solutions

usg.com.mx

usg.de

usg.walbrzych.pl

usg.com.au

usg.se

sgu.ac.jp

sug.co

sug.se

gsu.cn

sgu.co.za

usg.us

usg.ws

sgu.be

sgu.se

gsu.de

ugs.co.kr

sgu.cc

usg.ch

gsu.co.kr

ugs.org.ua

usg.com.sa

sgu.sk

sug.nl

usg.company

ugs.vg

gsu.ac.zw

usg.com

ugs.co.uk

sug.rocks

sug.in

ugs.com

sug.com.au

gsu.co.id

DNS History

5 records (5 active, 0 former)

●NSns-1508.awsdns-60.org2026-06-16 → 2026-07-16 · 2 obs

● 2026-06-16 20:11:44
● 2026-07-16 08:04:04

●NSns-1627.awsdns-11.co.uk2026-06-16 → 2026-07-16 · 2 obs

● 2026-06-16 20:11:44
● 2026-07-16 08:04:04

●NSns-2.awsdns-00.com2026-06-16 → 2026-07-16 · 2 obs

● 2026-06-16 20:11:44
● 2026-07-16 08:04:04

●NSns-603.awsdns-11.net2026-06-16 → 2026-07-16 · 2 obs

● 2026-06-16 20:11:44
● 2026-07-16 08:04:04

●NSns-71.awsdns-08.com2026-06-16 → 2026-07-16 · 2 obs

● 2026-06-16 20:11:44
● 2026-07-16 08:04:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cisco.com	ns1.cisco.com, ns2.cisco.com, ns3.cisco.com	-
gus.cisco.com	ns-603.awsdns-11.net, ns-71.awsdns-08.com, ns-1627.awsdns-11.co.uk, ns-1508.awsdns-60.org	-

✅ Authoritative Response

Server:205.251.194.91

NS records: ns-603.awsdns-11.net, ns-71.awsdns-08.com, ns-1627.awsdns-11.co.uk, ns-1508.awsdns-60.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cisco.com (unsigned zone)

⏱️ Timing

Total: 512ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1508.awsdns-60.org, ns-1627.awsdns-11.co.uk...`
SOA	1	`ns-2.awsdns-00.com awsdns-hostmaster.ama`

Analysis

Hierarchy

jiragov.gus.cisco.com is delegated beneath gus.cisco.com.

Name Servers

gus.cisco.com has five name servers, which are ns-2.awsdns-00.com, ns-71.awsdns-08.com, ns-603.awsdns-11.net and two others.

There is at least partial name server overlap between gus.cisco.com and other domains — goodlink.mobi, personal.pharmacy-lite.pharmacy.amazon.dev, webcamclub.ch and two more among them.

These name servers frequently co-occur with the name servers ns-1508.awsdns-60.org and ns-1627.awsdns-11.co.uk.

Hostnames that resolve to two IP addresses:

ns-2.awsdns-00.com resolves to 205.251.192.2 and 2600:9000:5300:200::1.

ns-71.awsdns-08.com resolves to 205.251.192.71 and 2600:9000:5300:4700::1.

ns-603.awsdns-11.net resolves to 205.251.194.91 and 2600:9000:5302:5b00::1.

ns-1508.awsdns-60.org resolves to 205.251.197.228 and 2600:9000:5305:e400::1.

ns-1627.awsdns-11.co.uk resolves to 205.251.198.91 and 2600:9000:5306:5b00::1.