`ar.react.dev`

CNAME	`cname.vercel-dns.com`
DNSSEC	⚠️ Not signed
A	66.33.60.130^{🇺🇸 Amazon66.33.60.0/24 EC2 Prefix}
A	76.76.21.61^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`ns1.vercel-dns-3.com` ⭐
		A	2600:9000:5301:5c00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-348.awsdns-43.com`
		A	205.251.193.92^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-348.awsdns-43.com`
NS	`ns2.vercel-dns-3.com`
		A	2600:9000:5302:9500::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-661.awsdns-18.net`
		A	205.251.194.149^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-661.awsdns-18.net`
NS	`ns3.vercel-dns-3.com`
		A	2600:9000:5305:7400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1396.awsdns-46.org`
		A	205.251.197.116^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1396.awsdns-46.org`
NS	`ns4.vercel-dns-3.com`
		A	2600:9000:5307:3c00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1852.awsdns-39.co.uk`
		A	205.251.199.60^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1852.awsdns-39.co.uk`
SOA	`ns1.vercel-dns-3.com`awsdns-hostmaster@amazon.com serial=1

`react.dev`

	DNSSEC	⚠️ Not signed
	A	66.33.60.193^{🇺🇸 Amazon66.33.60.0/24 EC2 Prefix}
	A	76.76.21.241^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
	NS	`hattie.ns.cloudflare.com` ⭐
	NS	`junade.ns.cloudflare.com`
	TXT	`google-site-verification=a5RC7LuUuYSWBrPBwybnA2bPZSh4aYEDbYEg7O4t9l4`
	SOA	`hattie.ns.cloudflare.com`dns@cloudflare.com serial=2408848165

rank #2128 globally
rank #6 in the tld
📈 Tranco rank: #8,822

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DNS History

1 record (1 active, 0 former)

●CNAMEcname.vercel-dns.com2026-06-06 → 2026-07-15 · 2 obs

● 2026-06-06 07:57:56
● 2026-07-15 19:25:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
react.dev	hattie.ns.cloudflare.com, junade.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.30

NS records: hattie.ns.cloudflare.com, junade.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for react.dev (unsigned zone)

⏱️ Timing

Total: 636ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`cname.vercel-dns.com`

Analysis

IP Addresses

ar.react.dev directs to two IP numbers, 66.33.60.130 and 76.76.21.61

dcinversiones.com, prothero.com, feedback.farm and two other host names share IP numbers with ar.react.dev.

Name Servers

The authoritative name servers for ar.react.dev are ns1.vercel-dns-3.com, ns2.vercel-dns-3.com, ns3.vercel-dns-3.com and ns4.vercel-dns-3.com.

ar.react.dev has at least partial name server overlap with other domains, such as ayqu.com, cname.vercel-dns.com, now.sh and two others.

ns1.vercel-dns-3.com, ns2.vercel-dns-3.com, ns3.vercel-dns-3.com and ns4.vercel-dns-3.com all point to exactly two IP numbers each: ns1.vercel-dns-3.com → 205.251.193.92 and 2600:9000:5301:5c00::1; ns2.vercel-dns-3.com → 205.251.194.149 and 2600:9000:5302:9500::1; ns3.vercel-dns-3.com → 205.251.197.116 and 2600:9000:5305:7400::1; ns4.vercel-dns-3.com → 205.251.199.60 and 2600:9000:5307:3c00::1.

ar.react.dev - robtex.com

ar.react.dev

react.dev