`colorblindtest.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:f29^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:a166^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.41^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.102^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cecelia.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2687^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c287^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cecelia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2287^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cecelia.ns.cloudflare.com`
		A	108.162.194.135^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
		A	162.159.38.135^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
		A	172.64.34.135^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cecelia.ns.cloudflare.com`
NS	`jack.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c179^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2179^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jack.ns.cloudflare.com`
		A	108.162.193.121^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	172.64.33.121^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	173.245.59.121^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.41, 172.67.161.102
		IPv6 hints	2606:4700:3032::6815:f29, 2606:4700:3032::ac43:a166
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=59, name=cloudflare-ech.com
SOA	`cecelia.ns.cloudflare.com`dns@cloudflare.com serial=2410987335

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785681567

Same first word

colorblindtest.net

DNS History

25 records (6 active, 19 former)

●NScecelia.ns.cloudflare.com2026-03-25 → 2026-08-02 · 3 obs

○ 2019-04-08 05:50:18
● 2026-03-25 08:31:24
● 2026-08-02 15:08:42

○NSdns1.registrar-servers.com2019-04-08 → 2019-04-08 · 4 obs

○ 2015-12-05 22:47:54
● 2019-04-08 05:50:18
○ 2026-03-25 08:31:24
○ 2026-08-02 15:08:42

○NSdns2.registrar-servers.com2019-04-08 → 2019-04-08 · 4 obs

○ 2015-12-05 22:47:54
● 2019-04-08 05:50:18
○ 2026-03-25 08:31:24
○ 2026-08-02 15:08:42

●NSjack.ns.cloudflare.com2026-03-25 → 2026-08-02 · 3 obs

○ 2019-04-08 05:50:18
● 2026-03-25 08:31:24
● 2026-08-02 15:08:42

○NSns100.rookdns.com2015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 13:23:14
○ 2015-10-09 20:50:06
○ 2026-08-02 15:08:42

○NSns55.domaincontrol.com2015-10-09 → 2015-10-09 · 4 obs

○ 2015-05-20 13:23:14
● 2015-10-09 20:50:06
○ 2015-12-05 22:47:54
○ 2026-08-02 15:08:42

○NSns56.domaincontrol.com2015-10-09 → 2015-10-09 · 4 obs

○ 2015-05-20 13:23:14
● 2015-10-09 20:50:06
○ 2015-12-05 22:47:54
○ 2026-08-02 15:08:42

○NSns99.rookdns.com2015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 13:23:14
○ 2015-10-09 20:50:06
○ 2026-08-02 15:08:42

○MXeforward1.registrar-servers.com2019-04-08 → 2019-04-08 · 4 obs

○ 2015-12-05 22:47:54
● 2019-04-08 05:50:18
○ 2026-03-25 08:31:24
○ 2026-08-02 15:08:42

○MXeforward2.registrar-servers.com2019-04-08 → 2019-04-08 · 4 obs

○ 2015-12-05 22:47:54
● 2019-04-08 05:50:18
○ 2026-03-25 08:31:24
○ 2026-08-02 15:08:42

○MXeforward3.registrar-servers.com2019-04-08 → 2019-04-08 · 4 obs

○ 2015-12-05 22:47:54
● 2019-04-08 05:50:18
○ 2026-03-25 08:31:24
○ 2026-08-02 15:08:42

○MXeforward4.registrar-servers.com2019-04-08 → 2019-04-08 · 4 obs

○ 2015-12-05 22:47:54
● 2019-04-08 05:50:18
○ 2026-03-25 08:31:24
○ 2026-08-02 15:08:42

○MXeforward5.registrar-servers.com2019-04-08 → 2019-04-08 · 4 obs

○ 2015-12-05 22:47:54
● 2019-04-08 05:50:18
○ 2026-03-25 08:31:24
○ 2026-08-02 15:08:42

○MXmail.mxproc.com2015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 13:23:14
○ 2015-10-09 20:50:06
○ 2026-08-02 15:08:42

○MXmailstore1.secureserver.net2015-10-09 → 2015-10-09 · 4 obs

○ 2015-05-20 13:23:14
● 2015-10-09 20:50:06
○ 2015-12-05 22:47:54
○ 2026-08-02 15:08:42

○MXsmtp.secureserver.net2015-10-09 → 2015-10-09 · 4 obs

○ 2015-05-20 13:23:14
● 2015-10-09 20:50:06
○ 2015-12-05 22:47:54
○ 2026-08-02 15:08:42

●A104.21.15.412026-03-25 → 2026-08-02 · 3 obs

○ 2019-04-08 05:50:18
● 2026-03-25 08:31:24
● 2026-08-02 15:08:42

○A141.8.224.2392015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 13:23:14
○ 2015-10-09 20:50:06
○ 2026-08-02 15:08:42

●A172.67.161.1022026-03-25 → 2026-08-02 · 3 obs

○ 2019-04-08 05:50:18
● 2026-03-25 08:31:24
● 2026-08-02 15:08:42

○A184.168.221.482015-10-09 → 2015-10-09 · 4 obs

○ 2015-05-20 13:23:14
● 2015-10-09 20:50:06
○ 2015-12-05 22:47:54
○ 2026-08-02 15:08:42

○A192.64.119.92019-04-08 → 2019-04-08 · 4 obs

○ 2015-12-05 22:47:54
● 2019-04-08 05:50:18
○ 2026-03-25 08:31:24
○ 2026-08-02 15:08:42

●A2606:4700:3032::6815:f292026-06-30 → 2026-08-02 · 3 obs

○ 2026-03-25 08:31:24
● 2026-06-30 00:46:04
● 2026-08-02 15:08:42

●A2606:4700:3032::ac43:a1662026-06-30 → 2026-08-02 · 3 obs

○ 2026-03-25 08:31:24
● 2026-06-30 00:46:04
● 2026-08-02 15:08:42

○A2606:4700:3036::6815:f292026-03-25 → 2026-03-25 · 4 obs

○ 2019-04-08 05:50:18
● 2026-03-25 08:31:24
○ 2026-06-30 00:46:04
○ 2026-08-02 15:08:42

○A2606:4700:3037::ac43:a1662026-03-25 → 2026-03-25 · 4 obs

○ 2019-04-08 05:50:18
● 2026-03-25 08:31:24
○ 2026-06-30 00:46:04
○ 2026-08-02 15:08:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	g.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
colorblindtest.net	jack.ns.cloudflare.com, cecelia.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.135

NS records: jack.ns.cloudflare.com, cecelia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for colorblindtest.net (unsigned zone)

⏱️ Timing

Total: 705ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.15.41, 172.67.161.102`
AAAA	2	`2606:4700:3032::6815:f29, 2606:4700:3032::ac43:a166`
NS	2	`cecelia.ns.cloudflare.com, jack.ns.cloudflare.com`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cecelia.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

colorblindtest.net directs to four IP numbers, which are 104.21.15.41, 172.67.161.102, 2606:4700:3032::6815:f29 and 2606:4700:3032::ac43:a166.

Two other host names, along with william-hill.co.it, asbestosattorney95540.p2blogs.com and iocea.com, also share IP numbers with colorblindtest.net.

Name Servers

Two name servers handle the delegation for colorblindtest.net: cecelia.ns.cloudflare.com and jack.ns.cloudflare.com.

colorblindtest.net shares its NS records with other domains, for example coombsjunctionsigns.com, blueflagweaving.com, idbook.ph and two others.

At least some of colorblindtest.net's name servers are shared with other domains, for example trainline.cz, wepcgamer.com, qjfmkx.info and two more.

These name servers tend to be deployed in combination with the name servers fred.ns.cloudflare.com and chad.ns.cloudflare.com.

DNS names with 6 IP addresses:

cecelia.ns.cloudflare.com resolves to 108.162.194.135, 162.159.38.135 and 172.64.34.135 among others, with 3 other IP addresses in total.

jack.ns.cloudflare.com resolves to 108.162.193.121, 172.64.33.121 and 173.245.59.121 among others, with 3 other IP addresses in total.

colorblindtest.net - robtex.com