`csfail.us`

DNSSEC	⚠️ Not signed
A	198.177.57.255^{🇺🇸 CLOUDFLARESPECTRUM198.177.57.0/24 Prime Formation GmbH} ✓ In HTTPS hints
NS	`bayan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c148^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bayan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2148^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bayan.ns.cloudflare.com`
		A	108.162.193.72^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	172.64.33.72^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	173.245.59.72^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
NS	`nia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nia.ns.cloudflare.com`
		A	108.162.192.210^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	172.64.32.210^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	173.245.58.210^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
TXT	`google-site-verification=f1xXR9D83CtlUzsSTh6S8KcXi0tWJEr4O3iSmynqPOU`
TXT	`yandex-verification: a3061bd7d52796c2`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	198.177.57.255
SOA	`bayan.ns.cloudflare.com`dns@cloudflare.com serial=2400268572

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1778424911

Same first word

csfail.us

csfail.fun

csfail.net

csfail.link

csfail.com

csfail.org

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DNS History

4 records (3 active, 1 former)

●NSbayan.ns.cloudflare.com2026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 03:41:04
● 2026-05-10 15:06:50

●NSnia.ns.cloudflare.com2026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 03:41:04
● 2026-05-10 15:06:50

●A198.177.57.2552026-05-09 → 2026-05-10 · 3 obs

○ 2026-04-14 03:41:04
● 2026-05-09 19:30:32
● 2026-05-10 15:06:50

○A45.194.11.02026-04-14 → 2026-04-14 · 3 obs

● 2026-04-14 03:41:04
○ 2026-05-09 19:30:32
○ 2026-05-10 15:06:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
csfail.us	bayan.ns.cloudflare.com, nia.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.210

NS records: bayan.ns.cloudflare.com, nia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csfail.us (unsigned zone)

⏱️ Timing

Total: 382ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.177.57.255`
NS	2	`bayan.ns.cloudflare.com, nia.ns.cloudflare.com`
TXT	2	`google-site-verification=f1xXR9D83CtlUzs, yandex-verification: a3061bd7d52796c2`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`bayan.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

csfail.us points to a single IP number: 198.177.57.255.

other host names for instance csfail.fun, 8cs.fail, 6cs.fail, 9cs.fail and www.cs.fail share IP numbers with csfail.us.

Name Servers

csfail.us is delegated to two name servers: bayan.ns.cloudflare.com and nia.ns.cloudflare.com.

csfail.us shares the same name server setup as other domains, for example upgrader.is, nodeshiftflow.digital, csfail.link, csfail.com and 4cs.fail.

csfail.us at least partially shares name servers with other domains, for instance 226084.com, actilist.io, 14.wtf, bcampo.com and thermotechnika.com.pl.

These name servers are commonly used with donna.ns.cloudflare.com, lucy.ns.cloudflare.com and emerson.ns.cloudflare.com.

Host names with six IP numbers:

bayan.ns.cloudflare.com points to: 2606:4700:58::adf5:3b48, 2803:f800:50::6ca2:c148, 2a06:98c1:50::ac40:2148, 108.162.193.72, 172.64.33.72 and 173.245.59.72; nia.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad2, 2803:f800:50::6ca2:c0d2, 2a06:98c1:50::ac40:20d2, 108.162.192.210, 172.64.32.210 and 173.245.58.210.

csfail.us - robtex.com

csfail.us

us