`speedtestcheck.org`

DNSSEC	⚠️ Not signed
A	104.21.12.173^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.214^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`glen.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`glen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`glen.ns.cloudflare.com`
		A	108.162.193.169^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	172.64.33.169^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	173.245.59.169^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
NS	`sureena.ns.cloudflare.com`
		A	2606:4700:50::a29f:267e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c27e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sureena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:227e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sureena.ns.cloudflare.com`
		A	108.162.194.126^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
		A	162.159.38.126^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
		A	172.64.34.126^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.12.173, 172.67.152.214
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com
SOA	`glen.ns.cloudflare.com`dns@cloudflare.com serial=2401635425

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1776205856

⚠️ On DNS blocklist: multi, pro, pro.plus, tif, ultimate

Same first word

speedtestcheck.org

DNS History

7 records (4 active, 3 former)

●NSglen.ns.cloudflare.com2026-03-06 → 2026-04-14 · 2 obs

● 2026-03-06 19:45:28
● 2026-04-14 22:39:00

●NSsureena.ns.cloudflare.com2026-03-06 → 2026-04-14 · 2 obs

● 2026-03-06 19:45:28
● 2026-04-14 22:39:00

●A104.21.12.1732026-03-06 → 2026-04-14 · 5 obs

● 2026-03-06 19:45:28
● 2026-03-08 17:10:46
○ 2026-03-08 18:21:50
○ 2026-03-18 02:17:52
● 2026-04-14 22:39:00

○A172.64.80.12026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-08 17:10:46
● 2026-03-08 18:21:50
○ 2026-03-18 02:17:52
○ 2026-04-14 22:39:00

●A172.67.152.2142026-03-06 → 2026-04-14 · 5 obs

● 2026-03-06 19:45:28
● 2026-03-08 17:10:46
○ 2026-03-08 18:21:50
○ 2026-03-18 02:17:52
● 2026-04-14 22:39:00

○A188.114.96.02026-03-18 → 2026-03-18 · 3 obs

○ 2026-03-08 18:21:50
● 2026-03-18 02:17:52
○ 2026-04-14 22:39:00

○A188.114.97.02026-03-18 → 2026-03-18 · 3 obs

○ 2026-03-08 18:21:50
● 2026-03-18 02:17:52
○ 2026-04-14 22:39:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
speedtestcheck.org	sureena.ns.cloudflare.com, glen.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.126

NS records: sureena.ns.cloudflare.com, glen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for speedtestcheck.org (unsigned zone)

⏱️ Timing

Total: 509ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.152.214, 104.21.12.173`
NS	2	`glen.ns.cloudflare.com, sureena.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`glen.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

speedtestcheck.org resolves to two IP numbers: 104.21.12.173 and 172.67.152.214.

Other host names, for instance k5368.com, sunucu.org, streamnews.live, www.eiic.cz and mt09.cn share IP numbers with speedtestcheck.org.

Name Servers

speedtestcheck.org has two name servers: glen.ns.cloudflare.com and sureena.ns.cloudflare.com.

speedtestcheck.org shares the same name server setup as other domains, for example gogaku-school.jp, adguardapp.com, soyilk.com, betonredofficial-au.com and teamstool.com.

speedtestcheck.org shares some name servers with other domains, for example h4506.cn, kpeyehospital.com, cartuno736.com, youngdo(0x706f726e).com and iebo.edu.mx.

These name servers are commonly used together with gail.ns.cloudflare.com and wells.ns.cloudflare.com.

Host names with six IP numbers: glen.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba9, 2803:f800:50::6ca2:c1a9, 2a06:98c1:50::ac40:21a9, 108.162.193.169, 172.64.33.169 and 173.245.59.169; sureena.ns.cloudflare.com points to: 2606:4700:50::a29f:267e, 2803:f800:50::6ca2:c27e, 2a06:98c1:50::ac40:227e, 108.162.194.126, 162.159.38.126 and 172.64.34.126.

speedtestcheck.org - robtex.com