react.guide - dns.ninja

`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 03:36:00

○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 03:36:00

○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 03:36:00

○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 03:36:00

●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 03:36:00

●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 03:36:00

○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 03:36:00

○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 03:36:00

○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 03:36:00

○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 03:36:00

●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 03:36:00

●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 03:36:00

●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 03:36:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
guide	v0n3.nic.guide, v0n2.nic.guide, v2n1.nic.guide, v0n0.nic.guide...	12 records
react.guide	alec.ns.cloudflare.com, sima.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.59

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: 390ms | 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 (v2n1.nic.guide, v2n0.nic.guide, v0n3.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.

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

Name Servers

react.guide is delegated to two name servers: alec.ns.cloudflare.com and sima.ns.cloudflare.com.

react.guide shares its name server setup with other domains, including betteronlineshopreviews.com, aqabatodaynews.com, hnmod.top and two others.

react.guide has at least partial name server overlap with other domains, such as foleranser.net, qenyou3bb33td.com, rewardix.shop and two others.

It is common to see these name servers used together with name servers sterling.ns.cloudflare.com and owen.ns.cloudflare.com.

Host names with 6 IP numbers:

alec.ns.cloudflare.com resolves to 108.162.193.59, 172.64.33.59, 173.245.59.59 and 3 other IP addresses.

sima.ns.cloudflare.com resolves to 108.162.192.222, 172.64.32.222, 173.245.58.222 and 3 other IP addresses.