`cloudpbx.ringcentral.com`

DNSSEC	⚠️ Not signed
NS	`ns1-05.azure-dns.com` ⭐
		A	2603:1061:0:700::5^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-05.azure-dns.com`
		A	13.107.236.5^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-05.azure-dns.com`
NS	`ns2-05.azure-dns.net`
		A	2620:1ec:8ec:700::5^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-05.azure-dns.net`
		A	150.171.21.5^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-05.azure-dns.net`
NS	`ns3-05.azure-dns.org`
		A	2a01:111:4000:700::5^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-05.azure-dns.org`
		A	204.14.183.5^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-05.azure-dns.org`
NS	`ns4-05.azure-dns.info`
		A	2620:1ec:bda:700::5^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-05.azure-dns.info`
		A	208.84.5.5^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-05.azure-dns.info`
MX	`cloudpbx-ringcentral-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
TXT	`v=spf1 include:sendgrid.net include:spf.protection.outlook.com ~all`
TXT	`q0s3cg918x16r5bsf99w60sg9ssn6n6z`
SOA	`ns1-05.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`ringcentral.com`

	DNSSEC	⚠️ Not signed
	A	66.81.247.6^{🇺🇸 CLOUDFLARESPECTRUM66.81.247.0/24 RingCentral}
	A	66.81.247.250^{🇺🇸 CLOUDFLARESPECTRUM66.81.247.0/24 RingCentral}
	NS	`alfred.ns.cloudflare.com` ⭐
	NS	`deb.ns.cloudflare.com`
	MX	`mxa-002b2c01.gslb.pphosted.com` ⭐
	MX	`mxb-002b2c01.gslb.pphosted.com` ⭐
	TXT	`3cq3dbei3vgppa7i9lqbtf2oqn`
	TXT	`MS=ms83132766`
	TXT	`ZAC0799`
	TXT	`_7kcrzqwo5sx1cvi7ebey2rnz6gqczrc`
	TXT	`_globalsign-domain-verification=8PcxuCEFlTD6Zqx-tzEDLDlx4ZBwCe8DWOp3gmn8tl`
	TXT	`_globalsign-domain-verification=ki2ojh9scrZL2Aos_I8zzyMVe95ltpIF-myilhaceA`
	TXT	`_lqke7d5fg2al2q0kw6ad3i7cn9or04r`
	TXT	`_qq2qcxi2wzhlh1v9z73lt6b45d5ggjf`
	TXT	`_saml-domain-challenge.5948a5c5-4b30-4465-a3f2-2136ea53ea0a.2dc355b1-b6e3-440...`
	TXT	`_shz7ks914d4oo4pu589qpmaepthdle7`
	TXT	`adobe-idp-site-verification=691a6646502a53b1051bb93d20268d0c9cf273f8ae22319cf...`
	TXT	`anthropic-domain-verification-nfdpr8=8DRJcYAJPSKejkQfgZ21cIy1Z`
	TXT	`apple-domain-verification=5u4ARaNk0j1ZhhhK`
	TXT	`astro-domain-verification=cmgzqt0711ecr01ldkgxq9zzj`
	TXT	`atlassian-domain-verification=Esq8tzu6nmRbe7GdgIT2Fyz29pc2JwQCcRzLtczCa7Dl3eY...`
	TXT	`boon-domain-verification-fvs3an=XqbOtqCZMfXlPPWeW0z9R7Uqw`
	TXT	`boon-domain-verification-zjgcsz=9GDvFk2Q0Gg58UleRyfY9E3tT`
	TXT	`canva-site-verification=fZX56uiZeBonRGXMIcz5jg`
	TXT	`cursor-domain-verification-f9fzxe=nFbFAevbeviH2Z67BiK73pTEa`
	TXT	`docusign=605bce8b-d4ed-4972-b611-a6b08454593c`
	TXT	`docusign=f7cd7799-31f3-4c42-995a-1eacbe430d3e`
	TXT	`domain-verification=8d6b1494eb6bf13689e7ff62437283c6fed7de5cb5c2261164feb7b29...`
	TXT	`drift-domain-verification=6ca3a5f924e36e7c16b9aacb9e106bc3f8df6e334aca79657c8...`
	TXT	`elevenlabs=naOghkkaty8OnGy7Jk3izncujo16eYyXGtbqKo7IDGY`
	TXT	`facebook-domain-verification=ebwc52j99vb8zlw5xp6j9zaa07dwh2`
	TXT	`google-site-verification=NpRHi91X2FSJWrqRyb1Yh9HOgySmsheoLtMvOvVU-UY`
	TXT	`google-site-verification=ancWsGJjyxMqWLpWxxoC2koyZuGCVQ-un1rzx8cWCSU`
	TXT	`google-site-verification=cR3N5wpGKHIiEFc5A63cH1bQQOpLgIdT5miQb_oxSGI`
	TXT	`google-site-verification=xGgM2LNwi7JixJ3LqSc91ewi9VeBAsrJey1OqZ6ONxg`
	TXT	`hubspot-developer-verification=MTYwYjZlZGQtZjU0OC00ODQ4LTlmYTAtMTEzZWRmOTcyMjIz`
	TXT	`hubspot-developer-verification=MzFhOGExYWMtODM3Ni00YTllLWJlZDUtMjU1ODM0Njk5NWJh`
	TXT	`hubspot-developer-verification=ZDIxMjg5NzAtMzllYy00YWNjLWEzZjUtNTU0NjZhMzgyMDlj`
	TXT	`hubspot-developer-verification=ZTk5ZDRkMDUtMTFjZS00ZDUwLWFlZWEtN2MzNWQzOTAxMDZk`
	TXT	`jetbrains-domain-verification=7w2s3cveyrptldrty4l7ss8sq`
	TXT	`kiro-site-verification=c2dd3843-0d10-4186-bab7-a0f1faf76868`
	TXT	`manus-domain-verification-2qk8fn=OjPY7y6XLKsriNyoF4mdlJHJ0`
	TXT	`manus-domain-verification-h732fm=k4KWPH1cCgHpAbMsrfJMuEUpS`
	TXT	`miro-verification=b62b5b8ab4b68a99c4805951ac3d53941e607204`
	TXT	`mixpanel-domain-verify=efddb8ee-68ec-4d10-9011-84ad13bd3691`
	TXT	`onx=9c37d71d-8d17-45bd-b7a1-8516cc61e4b0`
	TXT	`openai-domain-verification=dv-K6uddGJClJ3CqsurGRnAXTg2`
	TXT	`openai-domain-verification=dv-Q8h7sYB7JKqRdzQN0YKMajeA`
	TXT	`openai-domain-verification=dv-drIhwHQSLz8xjrLYm78gaeRm`
	TXT	`pax8validate`
	TXT	`pendo-domain-verification=7ce3b41a-67a0-4277-8fbc-52d8b8543ee5`
	TXT	`ps-cd-verification=224c583e-0401-4b13-b455-abe38de1b320`
	TXT	`r4159szn4b9msp6c6t8qj8fprbfgmwpk`
	TXT	`segment-site-verification=Q8VoBdDzG0iYMg9og1CSE6ehinNc7gBe`
	TXT	`stripe-verification=A051AC0B48B1E36062E736B67A19D3FF32993405805BB30D84D1553F4...`
	TXT	`v=spf1 a:mrsip1.ringcentral.com a:mrsip2.ringcentral.com include:spf.protecti...`
	SOA	`alfred.ns.cloudflare.com`dns@cloudflare.com serial=2411940038

WOT: SAFE (86/100)
rank #5769 globally
rank #2848 in the tld
WOT: SAFE (86/100)
📈 Tranco rank: #2,597

RingCentral

RingCentral is a cloud communications platform company headquartered in Belmont, California. They provide an all-in-one AI-powered communications solution that unifies business phone, video meetings, messaging, and contact center capabilities. The platform serves over 500,000 companies worldwide, ranging from small businesses to major enterprises including Toyota, Lufthansa, AT&T, and Target.

Key Services

Business Phone - Cloud-based telephony system
Video Conferencing - Integrated meetings and collaboration
AI Receptionist - Automated call handling
Contact Center - Customer engagement and workforce management tools
Unified Messaging - Team messaging integrated with calls and meetings

Infrastructure

Service	Provider
DNS	Cloudflare (`alfred.ns.cloudflare.com`,`deb.ns.cloudflare.com`)
Web Hosting	Cloudflare Spectrum (66.81.247.6, 66.81.247.250)
Email Security	Proofpoint (`mxa-002b2c01.gslb.pphosted.com`,`mxb-002b2c01.gslb.pphosted.com`)
DNSSEC	Not enabled

RingCentral has been recognized as a leader in AI-enabled contact center technology by IDC MarketScape.

Subdomains

admin.cloudpbx.ringcentral.com

Same first word

Similar names

pbxcloud.de

pbxcloud.com.br

pbxcloud.net

pbxcloud.it

pbxcloud.us

DNS History

5 records (5 active, 0 former)

●NSns1-05.azure-dns.com2026-03-15 → 2026-08-11 · 2 obs

● 2026-03-15 06:09:38
● 2026-08-11 16:45:48

●NSns2-05.azure-dns.net2026-03-15 → 2026-08-11 · 2 obs

● 2026-03-15 06:09:38
● 2026-08-11 16:45:48

●NSns3-05.azure-dns.org2026-03-15 → 2026-08-11 · 2 obs

● 2026-03-15 06:09:38
● 2026-08-11 16:45:48

●NSns4-05.azure-dns.info2026-03-15 → 2026-08-11 · 2 obs

● 2026-03-15 06:09:38
● 2026-08-11 16:45:48

●MXcloudpbx-ringcentral-com.mail.protection.outlook.com2026-03-15 → 2026-08-11 · 2 obs

● 2026-03-15 06:09:38
● 2026-08-11 16:45:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ringcentral.com	deb.ns.cloudflare.com, alfred.ns.cloudflare.com	12 records
cloudpbx.ringcentral.com	ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org, ns4-05.azure-dns.info	-

✅ Authoritative Response

Server:204.14.183.5

NS records: ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org, ns4-05.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ringcentral.com (unsigned zone)

⏱️ Timing

Total: 472ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1-05.azure-dns.com, ns2-05.azure-dns.net...`
MX	1	`cloudpbx-ringcentral-com.mail.protection`
TXT	2	`v=spf1 include:sendgrid.net include:spf., q0s3cg918x16r5bsf99w60sg9ssn6n6z`
SOA	1	`ns1-05.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (deb.ns.cloudflare.com, deb.ns.cloudflare.com, deb.ns.cloudflare.com...)

Analysis

Hierarchy

The domain admin.cloudpbx.ringcentral.com falls under the parent cloudpbx.ringcentral.com.

Name Servers

The NS records for cloudpbx.ringcentral.com point to four name servers: ns1-05.azure-dns.com, ns4-05.azure-dns.info, ns2-05.azure-dns.net and ns3-05.azure-dns.org.

At least some of cloudpbx.ringcentral.com's name servers are shared with other domains, for example fidesinvest.be, elotouchexpress.com, cidjc.gob.do and two more.

Four hostnames, each resolving to a pair of IP addresses: ns1-05.azure-dns.com directs to 13.107.236.5 and 2603:1061:0:700::5; ns4-05.azure-dns.info directs to 208.84.5.5 and 2620:1ec:bda:700::5; ns2-05.azure-dns.net directs to 150.171.21.5 and 2620:1ec:8ec:700::5; ns3-05.azure-dns.org directs to 204.14.183.5 and 2a01:111:4000:700::5.

Mail Servers

The sole mail server for cloudpbx.ringcentral.com is cloudpbx-ringcentral-com.mail.protection.outlook.com.

With 8 IP addresses total, cloudpbx-ringcentral-com.mail.protection.outlook.com resolves to 52.101.89.0, 52.101.89.1, 52.101.89.2 and 5 others.

cloudpbx.ringcentral.com - robtex.com