si.react.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`si.react.dev`

CNAME	`cname.vercel-dns.com`
DNSSEC	⚠️ Not signed
A	66.33.60.129^{🇺🇸 Amazon66.33.60.0/24 EC2 Prefix}
A	76.76.21.22^{🇺🇸 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 #2044 globally
rank #6 in the tld
📈 Tranco rank: #8,518

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Previous names

bn.react.dev

conf.react.dev

conf2024.react.dev

de.react.dev

fa.react.dev

fr.react.dev

gu.react.dev

he.react.dev

hi.react.dev

hu.react.dev

it.react.dev

ja.react.dev

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Next names

DNS History

1 record (1 active, 0 former)

●CNAMEcname.vercel-dns.com2026-08-01 → 2026-08-31 · 2 obs

● 2026-08-01 18:12:34
● 2026-08-31 23:40:04

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:172.64.34.172

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: 533ms | Queries: -

📄 Records

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

Analysis

IP Addresses

si.react.dev directs to two IP numbers, 66.33.60.129 and 76.76.21.22

Two other host names, along with yahspowerinc.com, duros.fr and dank.land, also share IP numbers with si.react.dev.

Name Servers

The NS records for si.react.dev point to four name servers: ns1.vercel-dns-3.com, ns2.vercel-dns-3.com, ns3.vercel-dns-3.com and ns4.vercel-dns-3.com.

si.react.dev partially shares its NS delegation with several other domains, including arxus.cl, cname.vercel-dns.com, now.sh and two others.

In DNS configurations, these name servers often share authority with ns1.vercel-dns.com, ns2.vercel-dns.com, ns1.host-ww.net and 4 other name servers.

ns1.vercel-dns-3.com, ns2.vercel-dns-3.com, ns3.vercel-dns-3.com and ns4.vercel-dns-3.com each carry two IP addresses. ns1.vercel-dns-3.com has 205.251.193.92 and 2600:9000:5301:5c00::1; ns2.vercel-dns-3.com has 205.251.194.149 and 2600:9000:5302:9500::1; ns3.vercel-dns-3.com has 205.251.197.116 and 2600:9000:5305:7400::1; ns4.vercel-dns-3.com has 205.251.199.60 and 2600:9000:5307:3c00::1.