`react.guide`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:40f1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8a2c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.241^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.44^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alec.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alec.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alec.ns.cloudflare.com`
		A	108.162.193.59^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	172.64.33.59^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	173.245.59.59^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
NS	`sima.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ade^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sima.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sima.ns.cloudflare.com`
		A	108.162.192.222^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	172.64.32.222^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	173.245.58.222^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.241, 172.67.138.44
		IPv6 hints	2606:4700:3035::6815:40f1, 2606:4700:3036::ac43:8a2c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=117, name=cloudflare-ech.com
SOA	`alec.ns.cloudflare.com`dns@cloudflare.com serial=2402694012

`guide`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.guide` ⭐
	NS	`v0n1.nic.guide`
	NS	`v0n2.nic.guide`
	NS	`v0n3.nic.guide`
	NS	`v2n0.nic.guide`
	NS	`v2n1.nic.guide`
	SOA	`v0n0.nic.guide`hostmaster@donuts.email serial=1781405925

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DNS History

13 records (6 active, 7 former)

●NSalec.ns.cloudflare.com2026-06-11 → 2026-06-14 · 3 obs

○ 2017-12-11 05:51:06
● 2026-06-11 10:05:10
● 2026-06-14 03:16:20

○NSns1.react.guide2016-12-10 → 2017-12-11 · 4 obs

● 2016-12-10 18:55:12
● 2017-12-11 05:51:06
○ 2026-06-11 10:05:10
○ 2026-06-14 03:16:20

○NSns1a.dodns.net2016-12-10 → 2017-12-11 · 4 obs

● 2016-12-10 18:55:12
● 2017-12-11 05:51:06
○ 2026-06-11 10:05:10
○ 2026-06-14 03:16:20

○NSns2a.dodns.net2016-12-10 → 2017-12-11 · 4 obs

● 2016-12-10 18:55:12
● 2017-12-11 05:51:06
○ 2026-06-11 10:05:10
○ 2026-06-14 03:16:20

●NSsima.ns.cloudflare.com2026-06-11 → 2026-06-14 · 3 obs

○ 2017-12-11 05:51:06
● 2026-06-11 10:05:10
● 2026-06-14 03:16:20

●A104.21.64.2412026-06-11 → 2026-06-14 · 3 obs

○ 2017-12-11 05:51:06
● 2026-06-11 10:05:10
● 2026-06-14 03:16:20

○A151.101.1.1952017-12-11 → 2017-12-11 · 4 obs

○ 2016-12-10 18:55:12
● 2017-12-11 05:51:06
○ 2026-06-11 10:05:10
○ 2026-06-14 03:16:20

○A151.101.1.782016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:55:12
○ 2017-12-11 05:51:06
○ 2026-06-14 03:16:20

○A151.101.65.1952017-12-11 → 2017-12-11 · 4 obs

○ 2016-12-10 18:55:12
● 2017-12-11 05:51:06
○ 2026-06-11 10:05:10
○ 2026-06-14 03:16:20

○A151.101.65.782016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:55:12
○ 2017-12-11 05:51:06
○ 2026-06-14 03:16:20

●A172.67.138.442026-06-11 → 2026-06-14 · 3 obs

○ 2017-12-11 05:51:06
● 2026-06-11 10:05:10
● 2026-06-14 03:16:20

●A2606:4700:3035::6815:40f12026-06-11 → 2026-06-14 · 3 obs

○ 2017-12-11 05:51:06
● 2026-06-11 10:05:10
● 2026-06-14 03:16:20

●A2606:4700:3036::ac43:8a2c2026-06-11 → 2026-06-14 · 3 obs

○ 2017-12-11 05:51:06
● 2026-06-11 10:05:10
● 2026-06-14 03:16:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
guide	v0n0.nic.guide, v0n1.nic.guide, v0n2.nic.guide, v0n3.nic.guide...	12 records
react.guide	alec.ns.cloudflare.com, sima.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.222

NS records: alec.ns.cloudflare.com, sima.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for react.guide (unsigned zone)

⏱️ Timing

Total: 167ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.64.241, 172.67.138.44`
AAAA	2	`2606:4700:3035::6815:40f1, 2606:4700:3036::ac43:8a2c`
NS	2	`alec.ns.cloudflare.com, sima.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alec.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.guide, v0n0.nic.guide, v0n1.nic.guide...)

Analysis

IP Addresses

react.guide points to four IP numbers: 104.21.64.241, 172.67.138.44, 2606:4700:3035::6815:40f1 and 2606:4700:3036::ac43:8a2c.

cassandrafiremark.com, www.rddywd.com, annablake.com and two other host names share IP numbers with react.guide.

Name Servers

DNS delegation for react.guide points to two name servers: alec.ns.cloudflare.com and sima.ns.cloudflare.com.

react.guide uses the same name servers as several other domains — among them betteronlineshopreviews.com, aqabatodaynews.com, hnmod.top and two more.

react.guide shares at least some of its name servers with other domains, including foleranser.net, qenyou3bb33td.com, rewardix.shop and two others.

These name servers are frequently paired with the name servers sterling.ns.cloudflare.com and owen.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

alec.ns.cloudflare.com has IP addresses 108.162.193.59, 172.64.33.59 and 173.245.59.59, plus 3 other.

sima.ns.cloudflare.com has IP addresses 108.162.192.222, 172.64.32.222 and 173.245.58.222, plus 3 other.

react.guide - robtex.com

react.guide

guide

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`react.guide`

`guide`