`sdp.cisco.com`

	DNSSEC	⚠️ Not signed
	A	66.187.208.228^{🇺🇸 ASNTTCISCO66.187.208.0/20 170 West Tasman Drive San Jose CA 95134 United States}

`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`
	NS	`a3-64.akam.net`
	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	`twilio-domain-verification=268434bd6a91bdd8d3bb5e6cffeeace7`
	TXT	`airtable-verification=8bf444fd0fad14a3aae2681cb7d68641`
	TXT	`926723159-3188410`
	TXT	`miro-verification=53bf5ccd47cb6239fe5cf14c3b328050dd5679ac`
	TXT	`google-site-verification=qPS9ZkoQ-Og1rBrM1_N7z-tNJNy2BVxE8lw6SB2iFdk`
	TXT	`mixpanel-domain-verify=2c6cb1aa-a3fb-44b9-ad10-d6b744109963`
	TXT	`google-site-verification=WmdDuSXl3PMb-48qcY6VUbW9kzNPe46zn9uDwgB2wX0`
	TXT	`pendo-domain-verification=c9d2fba1-7d94-4cf9-a6fb-310883c8bb15`
	TXT	`h1-domain-verification=rix5vuxntVpma4rTL2DbE3FDrrPjedhnRaqaHvghyod3egmZ`
	TXT	`flexera-domain-verification-nsbtshbvpbsmbnzh`
	TXT	`adobe-idp-site-verification=c900335b8b825859b51473b9943a3880ae795df47426483b0...`
	TXT	`airtable-verification=18787f2dc47697bb547e871772aba0be`
	TXT	`profound-domain-verification-4tbqdv=dgW9PRoomrumTvr2gfRW4H3B1`
	TXT	`ms-domain-verification=e0289fac-4a94-41df-b2b0-794347e490b7`
	TXT	`flexera-domain-verification-oxonqwdadtkprrcn`
	TXT	`OSSRH-97236`
	TXT	`bfefecbd-d5df-4b3a-b0dd-54bf5c72e698`
	TXT	`amazonses:QbUv5pPHGQxRy1vKA0J7Y/biE9oR6MTxOTI1bZIfjsw=`
	TXT	`sending_domain731003=25e34fadea88da7e64f0fab1e32d094f1f1e0fb2b97622deac2521f7...`
	TXT	`anthropic-domain-verification-5dyq28=xkpw44itymPv0HXOvUdry99zb`
	TXT	`stripe-verification=8e54fae7680b23aad6d5e3417be73a043f7e45cd2767272dbe0c9c6ea...`
	TXT	`atlassian-domain-verification=AYTzL6wSVsW0IdyQp7gwv6lwtHdpMATnb8QriqyJ0niAaZc...`
	TXT	`atlassian-domain-verification=UwP1ncfiphlFs+wRx8wIBSXDScwNL7Jrw7tq2rnYz3+9T5+...`
	TXT	`docusign=5e18de8e-36d0-4a8e-8e88-b7803423fa2f`
	TXT	`apple-domain-verification=qOInipPgso3W8cmK`
	TXT	`airtable-verification=c0b5bd3f3db736f775f0dbe4e103cdea`
	TXT	`duo_sso_verification=pG21Oj5OPCxRPsWXsfbauWT9oua82cKtYUPAmsQvovKNq3xqWEcsEMEA...`
	TXT	`atlassian-domain-verification=672RcADvt8BPqsb9gCN2ZC5DoTAhUT8abC1blYKQxi/MHMa...`
	TXT	`airtable-verification=8cd8b684d3d85964f2769dcb89944501`
	TXT	`atlassian-domain-verification=2ldosmg0o2Mhpyok1OISaSGygWU9zk6fLLWdoczXtHap9lu...`
	TXT	`intercom-domain-validation=8806e2f9-7626-4d9e-ae4d-2d655028629a`
	TXT	`notion-domain-verification=IsKmFIvIIP8RUQNn4ZGQjzuCdZnI7TY7xcIYb65QQE8`
	TXT	`docker-verification=4c56633a-274e-4858-88a2-2aeceffcfd66`
	TXT	`amazonses:mX+ylQj+fJAfh9pr03yIR7YvjKZ1bOo5ABegqM/5pvI=`
	TXT	`fastly-domain-delegation-z9slsbDdX0-368365-2021-05-14`
	TXT	`cursor-domain-verification-evn8nj=Ml5OeQYe3sBg8uZOIeRrJgCO7`
	TXT	`fastly-domain-delegation-e9a758d22183504af2d5ab4d9a9853da-20210127`
	TXT	`c900335b8b825859b51473b9943a3880ae795df47426483b0a67630377a902f5`
	TXT	`airtable-verification=d886631ce96b77ba775f9bddab44df92`
	TXT	`QuoVadis=94d4ae74-ecd5-4a33-975e-a0d7f546c801`
	TXT	`_v91byogpqpkdt9giz9d119ldke45oos`
	TXT	`duo_sso_verification=IYdVUIrb2L95JVejSXV3hfsJVDZolQKKOPBztlD6TIgfCRSKeMuf8Wgb...`
	TXT	`airtable-verification=606530d538d1833c5fc724117ca5409a`
	TXT	`cloudflare_dashboard_sso=f60a7d128e406b8d9dd4103dd3554f6b`
	TXT	`fastly-domain-delegation-im0VCGY5X0axEEmhXJb2-347911-20210310`
	TXT	`airtable-verification=4114c0f710cfc430d841e55ed7ed920d`
	TXT	`ZOOM_verify_Gf6CaEdJ5aKGvjcUrZRkiA`
	TXT	`asv=ac90e11808e87cfbf8768e69819b1aca`
	TXT	`v=spf1 redirect=spfa._spf.cisco.com`
	TXT	`docusign=95052c5f-a421-4594-9227-02ad2d86dfbe`
	TXT	`MS=ms35724259`
	TXT	`identrust_validate=mPh/vaMx5zgF8r1udSDOH2z2cf4O8bIcuPgHIigCFbxs`
	TXT	`SFMC-o7HX74BQ79k7glpt_qjlF2vmZO9DpqLtYxKLwg87`
	TXT	`airtable-verification=d95d028f039252314cb7507fb88e4317`
	TXT	`workplace-domain-verification=Uhv7QPQ22nbuD3vG0jspf7R6LruYoS`
	TXT	`facebook-domain-verification=1zoxo8z7t013gpruxmhc8dkerq47vh`
	TXT	`jamf-site-verification=0mwRCzzRvk_HiKjmiqR3Lw`
	TXT	`amazonses:7LyiKZmpuGja4+KbA4xX3lN69yajYKLkHH4QJcWnuwo=`
	TXT	`google-site-verification=DN8r8LEcNiPYD95x3VnUM7Q6BH2H3390qvdIy4QjpvU`
	TXT	`elevenlabs=X_8Xi7v2hC20yVbziZuWtkapfDzUtNK3BogfZKVe9gY`
	TXT	`pendo-domain-verification=5995ba9c-9bf8-43d8-9e5a-309856760011`
	TXT	`sending_domain1067842=8806a83586b0389c05457f8b2f06e4859b3f1b0d6bad52e5fee552b...`
	TXT	`facebook-domain-verification=qr2nigspzrpa96j1nd9criovuuwino`
	TXT	`google-site-verification=V3t2K3dvr9fcd1YWwwanSmebEOO_UNTP06HR2_gUO5M`
	TXT	`google-site-verification=Vc0Pir22m1u9yw5HjXf6TYO6rlAI9EY8IVKUma-OqDY`
	TXT	`google-site-verification=9MlQU9MMQ1jHLMUkONKe6QzZ-ZIGRv0BCD1_rY1Zdmc`
	TXT	`pendo-domain-verification=c9796502-c914-4e50-892d-e426f2ac68e9`
	TXT	`atlassian-domain-verification=7JYRlY9ijBijTJ0YS5a8/58DU7OfKAHMYRufcy0TC57j2mN...`
	TXT	`stripe-verification=0BAD851A6A7ACC4A12DDCE03460CCEFAC86320A8494FDCCED35F71EE2...`
	TXT	`fastly-domain-delegation-w049tcm0w48ds-341317-20210209`
	TXT	`hubspot-domain-verification=NDQzNGY2ZWEtZTY0ZC00ZDQyLWI4YzctOGRkNDVjNTQ4YTAx`
	TXT	`adobe-aem-verification=www-idev-cloud.cisco.com/24859/366204/1b990ef7-ff88-49...`
	TXT	`pendo-domain-verification=Ad800_b0VJCaE7Ued9Ug3pIQ_V4`
	TXT	`duo_sso_verification=AxenLdoqIXzjl2RJzE1BlOfkawDbDFlnbyvjAt8vcjKHBkvYwEMySDRk...`
	TXT	`yahoo-verification-key=2B33D2zyxdBOxUw/abowAuwQ2pdtznP6ULDfQC3ag2g=`
	TXT	`notion-domain-verification=7sz4S3LLtNIHZpYsgTTgOcRLlLrJ5JrmIgVcdRtGi1X`
	TXT	`duo_sso_verification=sKMGaTln2vmQuKwaE4hKtTEY1UYn2JzAaxSZzGjkgJrKuZChN344mhIp...`
	TXT	`mZvHszGlmDhvPOUKL+6JMiw/VtckyOMKjcw1PLcjYowxM2PVLX2xG0ZSgdHRm8HXfaaGR2pMvhIrB...`
	TXT	`wiz-domain-verification=af241e6396696eedf1b361891435f6b21bdebb5621941d9927929...`
	TXT	`google-site-verification=r-K1CIdXkgRWxZstUHtVyM2UfwflnGgr4AR9_Qhk28Q`
	TXT	`jetbrains-domain-verification=e9mcf886rjng68x4qu59h22ef`
	TXT	`stripe-verification=2B4F3B35976CFB93CA884A90BF3E0A8873EAC7C5AFD06D7047E87B794...`
	TXT	`google-site-verification=lW5eqPMJI4VrLc28YW-JBkqA-FDNVnhFCXQVDvFqZTo`
	TXT	`duo_sso_verification=6Q7pJwSZ3damWHBcB8TNd9I5oduLRAFDDhip2pTFaa3QoIZtZnCgzjyZ...`
	TXT	`atlassian-domain-verification=Gt2demeKDLmtNc9kPZhaAHFA37DEIcmFGUd6LARvB4yjLG7...`
	TXT	`postman-domain-verification=bac0835520fcf3b408c07c584b3575452de5930d08a942cc0...`
	TXT	`adobe-aem-verification=www-devint-cloud.cisco.com/24859/366173/9418f2a2-ef45-...`
	TXT	`twilio-domain-verification=3b5f92478e8c38980a265e599e1538c8`
	SOA	`ns1.cisco.com`postmaster@cisco.com serial=1262947

WOT: SAFE (92/100)
rank #310 globally
rank #198 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: #246

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

sdp.co.in

sdp.org.ua

sdp.io

sdp.pl

sdp.training

sdp.vg

sdp.net.nz

sdp.be

sdp.org.pl

sdp.or.jp

sdp.ir

sdp.edu.cn

sdp.de

sdp.cz

sdp.ch

sdp.co.uk

sdp.biz

sdp.it

sdp.hr

sdp.at

sdp.net

sdp.no

sdp.cat

sdp.vic.gov.au

sdp.com.ua

sdp.com

sdp.me

sdp.co.ir

sdp.ca

sdp.gr

sdp.delivery

sdp.nu

sdp.su

sdp.in

sdp.org.br

sdp.net.pl

sdp.cc

sdp.ro

sdp.com.pe

sdp.org

sdp.sk

sdp.pp.ua

sdp.canva-apps.cn

sdp.se

sdp.mx

sdp.co.id

sdp.fi

sdp.tw

sdp.fr

sdp.gov.sa

sdp.ru

sdp.cn

sdp.gov.co

sdp.ba

sdp.rs

sdp.edu.za

sdp.ae

sdp.nic.in

sdp.co.jp

Similar names

dsp.fr

spd.hk

dsp.world

dps.agency

pds.com.gr

dsp.su

pds.se

spd.org

psd.world

dps.at

psd.de

spd.group

spd.at

dps.cn

pds.team

pds.sn

pds.vg

dsp.gr

pds.ca

dps.kr

dsp.co

dps.k12.va.us

spd.us

pds.me

dps.in

spd.agency

dsp.digital

pds.co.id

dsp.bz

dps.nu

psd.govt.nz

dps.canva-apps.cn

dsp.ac.cn

psd.at

dsp.support

spd.me

dps.world

spd.com.br

spd.ru

pds.k12.nj.us

dps.expert

dps.vc

pds.com.tr

dps.school

dps.co.nz

dps.technology

dsp.tools

dsp.nl

spd.sk

pds.so

dsp.tv

spd.io

psd.in.ua

dps.si

dsp.com.ve

dps.ch

dps.bg

spd.ee

spd.gob.cl

psd.com.qa

pds.biz

dsp.wtf

dsp.ventures

dsp.se

psd.ch

dps.edu.pk

psd.sk

pds.co.il

pds.com.pl

psd.lv

pds.vn

spd.org.sg

dps.pl

spd.solutions

spd.eu

dsp.one

dsp.com.my

dps.net

dps.fr

dsp.ch

spd.pt

spd.net.ru

dps.im

dps.com.ua

dps.photography

dsp.net.sa

psd.k12.co.us

dps.eu

spd.sh

psd.cz

dps.gmbh

psd.church

DNS History

1 record (1 active, 0 former)

●A66.187.208.2282019-01-24 → 2026-08-13 · 2 obs

● 2019-01-24 20:20:28
● 2026-08-13 10:41:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, f.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: 104ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.187.208.228`

📌 Glue Records Collected

Total: 6

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

Analysis

IP Addresses

sdp.cisco.com directs to one IP number, which is 66.187.208.228.

sdp.cisco.com - robtex.com

sdp.cisco.com

cisco.com

cisco.com

Key facts

History

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

`sdp.cisco.com`

`cisco.com`