buffer.zendesk.com - dns.ninja

`buffer.zendesk.com`

DNSSEC	⚠️ Not signed
A	216.198.53.2^{🇺🇸 CLOUDFLARESPECTRUM216.198.53.0/24 989 Market St San Francisco CA 94103 United States}
A	216.198.54.2^{🇺🇸 CLOUDFLARESPECTRUM216.198.54.0/24 989 Market St San Francisco CA 94103 United States}
MX	`mail.zendesk.com` ⭐
		A	3.211.161.173^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-161-173.compute-1.amazonaws.com`
		A	34.227.209.168^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-227-209-168.compute-1.amazonaws.com`
		A	52.21.142.91^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-21-142-91.compute-1.amazonaws.com`
TXT	`v=spf1 include:_netblocks.zdsys.com ~all`

`zendesk.com`

	DNSSEC	⚠️ Not signed
	A	216.198.53.2^{🇺🇸 CLOUDFLARESPECTRUM216.198.53.0/24 989 Market St San Francisco CA 94103 United States}
	A	216.198.54.2^{🇺🇸 CLOUDFLARESPECTRUM216.198.54.0/24 989 Market St San Francisco CA 94103 United States}
	NS	`ns-1213.awsdns-23.org` ⭐
	NS	`ns-1858.awsdns-40.co.uk`
	NS	`ns-444.awsdns-55.com`
	NS	`ns-754.awsdns-30.net`
	MX	`us-smtp-inbound-1.mimecast.com` ⭐
	MX	`us-smtp-inbound-2.mimecast.com` ⭐
	MX	`aspmx.l.google.com`⁽¹¹⁰⁾
	MX	`alt1.aspmx.l.google.com`⁽¹²⁰⁾
	MX	`alt2.aspmx.l.google.com`⁽¹²⁰⁾
	MX	`aspmx2.googlemail.com`⁽¹³⁰⁾
	TXT	`0ed1fe018a2374893f27154f25a6f54784f96b4b3b`
	TXT	`92cfb88d-b895-4f46-934b-4ecd107e59a1`
	TXT	`942552362-2482447`
	TXT	`DirectFedAuthUrl=https://zendesk.okta.com/app/zendesk_aiagentsazurezig_1/exk1...`
	TXT	`ENJUTYRYQ`
	TXT	`MS=ms87052054`
	TXT	`MS=ms91445911`
	TXT	`adobe-idp-site-verification=f87b90e3b016c68095df9b01c1339e70eaeb158b9517711d3...`
	TXT	`adobe-idp-site-verification=fbc17c835736a1814a7f09390192ce1da750205f984fa2e75...`
	TXT	`apple-domain-verification=3pfH4AKY0NA72nHl`
	TXT	`asv=63067a6ba7ee681dbe3e26dce01a13a5`
	TXT	`atlassian-domain-verification=1EBT0aNzHvpjA0mUqdCF+qU/gsS8qxjjo50wYVc4nlCooKA...`
	TXT	`atlassian-domain-verification=VKatnNN6Z5k9QFIABnW7CaZM1H0z5bp40v0DPNj7ba9zcn8...`
	TXT	`atlassian-sending-domain-verification=740db120-4e15-4d5d-a7b0-66da110fa222`
	TXT	`bettercomp-verify=eeb8764cb09d9e7ef96ba262012aac38cb571dbbb4fc996b5e3403a665b...`
	TXT	`box-domain-verification=a9056151b8e911fcdba552e791c9b4d8b8cc2f16d1bf5e9eced4a...`
	TXT	`ca3-f35d69855c2041b4b2d4e861cb9fdd6f`
	TXT	`canva-site-verification=U1b9IGcuRrxhapP7GzJMAw`
	TXT	`count-okta-7SkGZInGQ7j0z4Cy4efxK`
	TXT	`cursor-domain-verification-w67ssa=qctFFin6s0w3gtIS0YHW62IRx`
	TXT	`docker-verification=c5555047-3106-4749-98b2-1ae5745ba193`
	TXT	`docusign=76412763-2e7d-4385-a9cf-227e938144d6`
	TXT	`elevenlabs=oJCDeDsCsFVX_0uhh-t_yxJNbDETvr6cnP-UzNYvsr0`
	TXT	`figma-domain-verification=d38ad4a1c1d6029e954e8d5c827d71106fb9844707ae3504052...`
	TXT	`google-site-verification=0B1l6Hmp14vgBWc3Yi9Lkdn98KxqEfm3_IcgKsBrUoc`
	TXT	`google-site-verification=LYyGUy8j5JeOt_Faduw1TMPTAR4fEzxfXDoT5B79giw`
	TXT	`google-site-verification=Xcw5HeCMN0tRTA_wtmvXyrNJhnkOfxqydAJziyZYbs8`
	TXT	`google-site-verification=egnMXsUGOEcJHf0AEe6sA2ui1hxV56dVP5ekk029C8M`
	TXT	`hj-ownership=uF7x7UmKwsPqPAfBVE6Tg`
	TXT	`hubspot-developer-verification=NmFlNmZmNWEtYWFkMS00NjFhLWIzNDEtMGE1ZTMxZDNkY2Y2`
	TXT	`hubspot-developer-verification=YmRjZTlhZTItZmRhNy00ZjZhLWFhZTYtMDVlNzIwMmM2ZDgx`
	TXT	`jTHbayHetmTY@@lm5PYDcPqVF$W3Z&4AM$6u3acBLo$%xKnt!Kwr^@TP^jB43pO^F6O8S8RizT8...`
	TXT	`jamf-site-verification=03ryvTnFRg7t7K1fdvusNQ`
	TXT	`mailru-verification: c287c4d52bb5fd3c`
	TXT	`miro-verification=3673a7d2bed1d9d95363960b5842c237312cf42a`
	TXT	`mongodb-site-verification=e30FUzWMBmdMTeKqSkHvbokTve6pZOvw`
	TXT	`mongodb-site-verification=yDpxj8ExSlalPAMCJ8OgGqccAE3RKtjy`
	TXT	`neat-pulse-domain-verification-VvrqZ7N=34d3bfcf-c556-4b05-a643-2019e0b08983`
	TXT	`onetrust-domain-verification=8cfd00023e5b4b53836b5be310a416cd`
	TXT	`openai-domain-verification=dv-cKgK7AWQErYbWivKlTNsL7qJ`
	TXT	`qxxIl-wTDURBUBT4magGxQ`
	TXT	`segment-site-verification=GEXWlzlTT3BdxCVHHD6RoG5BBa6eRlcg`
	TXT	`smartsheet-site-validation=uO9zE6IM1MDanLjT5EieLufj1cgQCau-`
	TXT	`thousandeyes:p6xh4ric6juof7rvskyh89vk8wvoruq7`
	TXT	`v=spf1 ip4:103.151.192.0/23 ip4:104.43.243.237 ip4:149.97.173.180 ip4:163.116...`
	SOA	`ns-1213.awsdns-23.org`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (91/100)
rank #237 globally
rank #153 in the tld

zendesk.com

Zendesk is a customer service and engagement software company, best known for its help-desk and support-ticketing platform used by businesses worldwide.

Key facts

Owner / operator: Zendesk, Inc.
TLD:.com— gTLD
Primary purpose: SaaS customer support / helpdesk platform (corporate and product website)
Status: active

History

Year	Event
2007	Zendesk founded in Copenhagen, Denmark
2014	Zendesk goes public on the New York Stock Exchange
2022	Zendesk taken private following acquisition by an investor group (Permira and Hellman & Friedman)

Notable subdomains or services

*.zendesk.com— individual customer support portals provisioned for businesses using the platform (e.g.company.zendesk.com)

Related domains

zopim.com— live chat product formerly integrated into Zendesk
zendesk.design— Zendesk's design system site

Semrush Rank:#1,478 Keywords:1,225,042 Traffic:1,802,368/mo
WOT: SAFE (91/100)
📈 Tranco rank: #341

Zendesk is a customer service and engagement platform founded in 2007, providing help desk, ticketing, and CRM solutions. With over 100,000 customers and revenue exceeding $1.8 billion, Zendesk was taken private in 2022 for $10.2 billion.

Zendesk offers Support (ticketing), Guide (knowledge base), Chat, Talk (phone support), and Sell (sales CRM). The platform integrates with hundreds of third-party applications.

Zendesk's infrastructure processes billions of customer interactions across multiple channels. The platform runs primarily on AWS with global data centers for data residency requirements.

DNS for zendesk.com uses Amazon Route 53 with global distribution. The platform implements comprehensive security for protecting customer data.

Same first word

buffer.cm

buffer.io

buffer.life

buffer.co.kr

buffer.at

buffer.cc

buffer.info

buffer.ca

buffer.academy

buffer.dk

buffer.no

buffer.by

buffer.net

buffer.ir

buffer.parts

buffer.name

buffer.eu

buffer.in

buffer.us

buffer.email

buffer.org

buffer.com

buffer.fr

buffer.ee

buffer.cl

buffer.me

buffer.ws

buffer.space

buffer.co

buffer.com.au

buffer.pro

buffer.ch

buffer.red

buffer.se

buffer.it

buffer.guru

Similar names

rebuff.com

rebuff.co.za

rebuff.org

rebuff.ru

rebuff.net

rebuff.us

beruff.com

buffre.com

reffub.com

DNS History

9 records (3 active, 6 former)

○MXmail-pod-19.int.zendesk.com2019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 16:48:14
○ 2026-04-09 00:29:44
○ 2026-08-02 19:35:36

●MXmail.zendesk.com2026-04-09 → 2026-08-02 · 3 obs

○ 2019-12-24 16:48:14
● 2026-04-09 00:29:44
● 2026-08-02 19:35:36

○A104.16.51.1112019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 16:48:14
○ 2026-04-09 00:29:44
○ 2026-08-02 19:35:36

○A104.16.52.1112019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 16:48:14
○ 2026-04-09 00:29:44
○ 2026-08-02 19:35:36

○A104.16.53.1112019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 16:48:14
○ 2026-04-09 00:29:44
○ 2026-08-02 19:35:36

○A104.16.54.1112019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 16:48:14
○ 2026-04-09 00:29:44
○ 2026-08-02 19:35:36

○A104.16.55.1112019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 16:48:14
○ 2026-04-09 00:29:44
○ 2026-08-02 19:35:36

●A216.198.53.22026-04-09 → 2026-08-02 · 3 obs

○ 2019-12-24 16:48:14
● 2026-04-09 00:29:44
● 2026-08-02 19:35:36

●A216.198.54.22026-04-09 → 2026-08-02 · 3 obs

○ 2019-12-24 16:48:14
● 2026-04-09 00:29:44
● 2026-08-02 19:35:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
zendesk.com	ns-754.awsdns-30.net, ns-444.awsdns-55.com, ns-1213.awsdns-23.org, ns-1858.awsdns-40.co.uk	2 records

✅ Authoritative Response

Server:205.251.199.66

NS records: ns-754.awsdns-30.net, ns-444.awsdns-55.com, ns-1213.awsdns-23.org, ns-1858.awsdns-40.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zendesk.com (unsigned zone)

⏱️ Timing

Total: 1643ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`216.198.54.2, 216.198.53.2`
MX	1	`mail.zendesk.com (pri: 10)`
TXT	1	`v=spf1 include:_netblocks.zdsys.com ~all`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-444.awsdns-55.com, ns-444.awsdns-55.com)

Analysis

IP Addresses

buffer.zendesk.com points to the IP addresses 216.198.53.2 and 216.198.54.2

Additional host names — allysian.zendesk.com, palmeiras.zendesk.com, encontactoeventos.zendesk.com and two others — share IP numbers with buffer.zendesk.com.

Mail Servers

buffer.zendesk.com has one mail server: mail.zendesk.com.

buffer.zendesk.com shares the same mail server setup as other domains, including fendoff-sandbox.zendesk.com, fabrikadefestasupport.zendesk.com, zinus.zendesk.com and two others.

mail.zendesk.com has three IP addresses: 3.211.161.173, 34.227.209.168 and 52.21.142.91.