`dca.zoom.us`

DNSSEC	⚠️ Not signed
NS	`ns-1777.awsdns-30.co.uk` ⭐
		A	2600:9000:5306:f100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1777.awsdns-30.co.uk`
		A	205.251.198.241^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1777.awsdns-30.co.uk`
NS	`ns-1456.awsdns-54.org`
		A	2600:9000:5305:b000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1456.awsdns-54.org`
		A	205.251.197.176^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1456.awsdns-54.org`
NS	`ns-57.awsdns-07.com`
		A	2600:9000:5300:3900::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-57.awsdns-07.com`
		A	205.251.192.57^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-57.awsdns-07.com`
NS	`ns-819.awsdns-38.net`
		A	2600:9000:5303:3300::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-819.awsdns-38.net`
		A	205.251.195.51^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-819.awsdns-38.net`
SOA	`ns-1777.awsdns-30.co.uk`awsdns-hostmaster@amazon.com serial=1

`zoom.us`

	DNSSEC	⚠️ Not signed
	A	2407:30c0:182::aa72:3402^{🇦🇺 CLOUDFLARESPECTRUM2407:30c0:182::/48 ZVC - Australia PTY LTD Level 13 333 George Street}
	A	170.114.52.2^{🇺🇸 CLOUDFLARESPECTRUM170.114.52.0/24 Zoom Video Communications 55 Almaden Boulevard, 6th Floor San Jose CA 95113 United States}
	NS	`ns-1137.awsdns-14.org` ⭐
	NS	`ns-1772.awsdns-29.co.uk`
	NS	`ns-387.awsdns-48.com`
	NS	`ns-888.awsdns-47.net`
	MX	`mxa-00569201.gslb.pphosted.com` ⭐
	MX	`mxb-00569201.gslb.pphosted.com` ⭐
	TXT	`HaFoSdUeCSdJo9U8lG@NWZ6vnoRltUteEAl&yuY$$eE25sKJguFH58Lss%9@e73OK#XigH^i3mCDj...`
	TXT	`SFMC-FEDGKE8lGkIFM2TngfZtUoES_Ep-nR1DSOvRZFxz`
	TXT	`adobe-idp-site-verification=7116ab50a89b2c2402382aea3362209410eac90f2a590f358...`
	TXT	`anthropic-domain-verification-8fadf7=uwajz3dDn6eAq3Yl6LtArZNBA`
	TXT	`apple-domain-verification=CbBNkhNvbPFzgvvv`
	TXT	`atlassian-domain-verification=4y6yoGrdYbj4zq5bMXvpGI1KFVEzSVuWMYG4/Gv4BuFjIth...`
	TXT	`atlassian-domain-verification=o4YG+mXlOE6uTJb7uGimcl9DJZnVg4aimBCf/4UrplRJvMk...`
	TXT	`autodesk-domain-verification=oPP5RpbpIX2AL7W7H2p2`
	TXT	`canva-site-verification=Fxuo9x2-ohLElGZ9w9XYHw`
	TXT	`csb6c7cn6kf21c5xvwmhnn347fczbr9x`
	TXT	`cui69v35i9t5lj9360gajgt1tc`
	TXT	`docker-verification=e55e0281-9c6f-4cba-8788-e50c50899b3f`
	TXT	`docusign=256ed1dc-9832-46f5-b724-82a1e17e5796`
	TXT	`docusign=b21dec83-4d62-479c-b2aa-43a0cd4c125a`
	TXT	`dropbox-domain-verification=3s15m13l23wp`
	TXT	`facebook-domain-verification=r9u6lu6z5wy3yokf7yd52l6k08xqsx`
	TXT	`google-site-verification=2JXQP1qfUwhK_5Wkn1gmXAFa2RD8raNeqWBD2_MtQqs`
	TXT	`google-site-verification=G6mELnMFHZrRpJ_rAqHPDP2voFX3_g-lN78U-eJ7xJY`
	TXT	`google-site-verification=JvBsPulrJw4xeN9DV9oeGqFDDUlAsJv-vLu1PriMw1g`
	TXT	`google-site-verification=RA1o2A5KlW67SrvzJ4JovDWlkMzOtxJnS6Lq4MWso1Q`
	TXT	`google-site-verification=gqo5WilnbGIuUTc-MdPuJkHvsEyOVOyUnbnK2uAgfrI`
	TXT	`google-site-verification=kzxH5gxEvbMw9EUX-uQNCNxzoHNk7eksOJdaOLt-WYA`
	TXT	`google-site-verification=lriJaWXsakkfjHphDVRWuah716cT40SEYJrWSn9ka5E`
	TXT	`google-site-verification=r5_uj4r2YuGNrhng2dLo4xfDAvaYGhNuqv6icJiQdxA`
	TXT	`google-site-verification=yofTND47qXdSBHRBZSkPUrP0QQ-WF76h-K-F05IHmj0`
	TXT	`h1-domain-verification=5yw85Ewx1obuckMSkZQokfDYewnzdBw9JqKmZWMXqFs2F3cq`
	TXT	`knowbe4-site-verification=c3a762336824e50b8902fc5d47a79dd9`
	TXT	`ljtjrbvpt98v132shnhkm0thlt`
	TXT	`mongodb-site-verification=LuLsVGWKjIwOk54WdscqbRmXgqU2kGIc`
	TXT	`nintex.5e7289cea709bf0d10e77561`
	TXT	`oo414pse7fk8ntk80qoms9poc1`
	TXT	`paloaltonetworks-site-verification=ab6a946a97f44c0b83b5cc59ba90e5f0c768666814...`
	TXT	`pardot_84442_*=f0bf83bf261ad77163f6e86fc94ae06036d153cc65df5531309b396933da9591`
	TXT	`slack-domain-verification=DPFh88HZR7KVwJkwlh98Y0PgSABl6BKgY1hVlwhC`
	TXT	`smartsheet-site-validation=DYfGXuyJc7oq-_D05ZZyl6QGXpRWSWpR`
	TXT	`spycloud-domain-verification=889b71d1-9e56-48da-a7cc-f3bc6497ca2f`
	TXT	`status-page-domain-verification=pc76p1k8712r`
	TXT	`stripe-verification=0628546b6023b9d18ecddf4eec9658f8513bb619d4ae413b1143f81b3...`
	TXT	`stripe-verification=29700ec8c3d8a93a634139f4dfe8a23a87f6b97829d3e6ea123d07f7e...`
	TXT	`stripe-verification=56bc5cf2da44b2033da49b45ed3789209db29432268975666693a750e...`
	TXT	`stripe-verification=64a9e3b2f28cc3bb2182307c5c2ea98aa78bfe6a36ed5f22bd3d0bc96...`
	TXT	`stripe-verification=68b6edce67880909a44aad0af814c3afe0bf8e053e70f81c70264bf91...`
	TXT	`stripe-verification=933cf52c0e93778a0f3fbdc96954c1f6bd9813b6356cdc71667df03b4...`
	TXT	`stripe-verification=c9c277e76c265ef8b27ee1fb8b7f6e6240daacf25d36f96d586c05301...`
	TXT	`stripe-verification=f613690c5cef6193bdc4638549691d7c4b80994cd6b47c182d9ce9afa...`
	TXT	`teamviewer-sso-verification=4f42e066d37d4305b4091646efd91add`
	TXT	`v=DMARC1; p=reject; ri=3600; rua=mailto:sesbounce@zoom.us,mailto:dmarc_rua@em...`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.google.com i...`
	TXT	`v=zoomadn us.zoom.idp.commercial=zoom.okta.com`
	TXT	`vmware-cloud-verification-4d68d199-43dd-455f-ad71-18141d5d09c8`
	TXT	`windsurf-verification=FvOEjs9_z0dKIDvwoWHuErOht9xT0g3-4F51gME67xQ=`
	SOA	`ns-1137.awsdns-14.org`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (88/100)
rank #74 globally
rank #1 in the tld
This domain name, "zoom.us", is associated with Zoom Video Communications, an American technology company that provides remote conferencing services using cloud computing. Zoom offers communications software that combines video conferencing, online meetings, chat, and mobile collaboration.WOT: SAFE (88/100)
📈 Tranco rank: #77

Zoom is the dominant video conferencing platform that became essential during the COVID-19 pandemic, founded in 2011 by Eric Yuan. The company saw daily meeting participants jump from 10 million to 300 million in months. Zoom remains a $20+ billion company.

The platform offers video meetings, webinars, Zoom Phone, Zoom Rooms (conference room systems), and team chat. Zoom became a verb ("let's Zoom") and has expanded into contact center, email, and calendar.

Zoom's infrastructure is designed for real-time video at massive scale, with 17 global data center locations. The company uses a hybrid cloud approach with its own infrastructure plus AWS, Oracle, and Azure.

DNS for zoom.us is managed through Amazon Route 53, with geographic load balancing to route users to optimal data centers.

Subdomains

zoomdcaih213zc.dca.zoom.us

zoomdcalt253zc.dca.zoom.us

zoomdcalu253zc.dca.zoom.us

zoomdcakz253zc.dca.zoom.us

zoomdcalo253zc.dca.zoom.us

zoomdcaln253zc.dca.zoom.us

zoomdcaii213zc.dca.zoom.us

zoomdcaik213zc.dca.zoom.us

zoomdcala253zc.dca.zoom.us

zoomdcail213zc.dca.zoom.us

Same first word

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DNS History

4 records (4 active, 0 former)

●NSns-1456.awsdns-54.org2026-03-27 → 2026-04-13 · 2 obs

● 2026-03-27 23:17:14
● 2026-04-13 12:45:14

●NSns-1777.awsdns-30.co.uk2026-03-27 → 2026-04-13 · 2 obs

● 2026-03-27 23:17:14
● 2026-04-13 12:45:14

●NSns-57.awsdns-07.com2026-03-27 → 2026-04-13 · 2 obs

● 2026-03-27 23:17:14
● 2026-04-13 12:45:14

●NSns-819.awsdns-38.net2026-03-27 → 2026-04-13 · 2 obs

● 2026-03-27 23:17:14
● 2026-04-13 12:45:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
zoom.us	ns-1137.awsdns-14.org, ns-888.awsdns-47.net, ns-387.awsdns-48.com, ns-1772.awsdns-29.co.uk	-
dca.zoom.us	ns-1456.awsdns-54.org, ns-1777.awsdns-30.co.uk, ns-57.awsdns-07.com, ns-819.awsdns-38.net	-

✅ Authoritative Response

Server:205.251.192.57

NS records: ns-1456.awsdns-54.org, ns-1777.awsdns-30.co.uk, ns-57.awsdns-07.com, ns-819.awsdns-38.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zoom.us (unsigned zone)

⏱️ Timing

Total: 740ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1456.awsdns-54.org, ns-1777.awsdns-30.co.uk...`
SOA	1	`ns-1777.awsdns-30.co.uk awsdns-hostmaste`

Analysis

Hierarchy

dca.zoom.us is a parent of zoomdcaih213zc.dca.zoom.us, zoomdcalt253zc.dca.zoom.us, zoomdcalu253zc.dca.zoom.us, zoomdcakz253zc.dca.zoom.us, zoomdcalo253zc.dca.zoom.us and several other host names.