`fileextensionlib.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4e0d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:d66f^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.13^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.111^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`katja.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2635^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katja.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c235^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`katja.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2235^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`katja.ns.cloudflare.com`
		A	108.162.194.53^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katja.ns.cloudflare.com`
		A	162.159.38.53^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katja.ns.cloudflare.com`
		A	172.64.34.53^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katja.ns.cloudflare.com`
NS	`shane.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c339^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`shane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2339^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`shane.ns.cloudflare.com`
		A	108.162.195.57^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	162.159.44.57^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	172.64.35.57^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.78.13, 172.67.214.111
		IPv6	2606:4700:3030::6815:4e0d, 2606:4700:3030::ac43:d66f
SOA	`katja.ns.cloudflare.com`dns@cloudflare.com serial=2399584916

`com`

	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=1774626027

Same first word

fileextensionlib.com

DNS History

8 records (6 active, 2 former)

○NSgabe.ns.cloudflare.com2026-02-26 → 2026-03-15 · 3 obs

● 2026-02-26 19:16:14
● 2026-03-15 02:46:04
○ 2026-03-27 15:48:54

●NSkatja.ns.cloudflare.com2026-03-27 → 2026-03-27 · 2 obs

○ 2026-03-15 02:46:04
● 2026-03-27 15:48:54

○NSsasha.ns.cloudflare.com2026-02-26 → 2026-03-15 · 3 obs

● 2026-02-26 19:16:14
● 2026-03-15 02:46:04
○ 2026-03-27 15:48:54

●NSshane.ns.cloudflare.com2026-03-27 → 2026-03-27 · 2 obs

○ 2026-03-15 02:46:04
● 2026-03-27 15:48:54

●A104.21.78.132026-02-26 → 2026-03-27 · 2 obs

● 2026-02-26 19:16:14
● 2026-03-27 15:48:54

●A172.67.214.1112026-02-26 → 2026-03-27 · 2 obs

● 2026-02-26 19:16:14
● 2026-03-27 15:48:54

●A2606:4700:3030::6815:4e0d2026-02-26 → 2026-03-27 · 2 obs

● 2026-02-26 19:16:14
● 2026-03-27 15:48:54

●A2606:4700:3030::ac43:d66f2026-02-26 → 2026-03-27 · 2 obs

● 2026-02-26 19:16:14
● 2026-03-27 15:48:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net...	-
fileextensionlib.com	katja.ns.cloudflare.com, shane.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.53

NS records: katja.ns.cloudflare.com, shane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fileextensionlib.com (unsigned zone)

⏱️ Timing

Total: 260ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.214.111, 104.21.78.13`
AAAA	2	`2606:4700:3030::6815:4e0d, 2606:4700:3030::ac43:d66f`
NS	2	`katja.ns.cloudflare.com, shane.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`katja.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (katja.ns.cloudflare.com, katja.ns.cloudflare.com, katja.ns.cloudflare.com...)

Analysis

IP Addresses

fileextensionlib.com points to four IP numbers: 2606:4700:3030::6815:4e0d, 2606:4700:3030::ac43:d66f, 104.21.78.13 and 172.67.214.111.

Other host names, for instance pafikabupatentelukwondama.org, m.734y.com, hesserlaw.com.cdn.cloudflare.net, kingisme.com and www.ilyas.de share IP numbers with fileextensionlib.com.

Name Servers

Delegation for fileextensionlib.com rests with two name servers, katja.ns.cloudflare.com and shane.ns.cloudflare.com.

fileextensionlib.com shares the same name server setup as other domains, including zetexelektronik.com, s-razval.ru, olgaberggolc.ru, rembuteh.ru and playducky.com.

fileextensionlib.com at least partially shares name servers with other domains, for instance 90909.sbs, healthlogistics.co.uk, withashleyandco.com, eversafe-logistics.com and shellbourne.net.

These name servers are commonly used with the name servers hadlee.ns.cloudflare.com.

Host names with six IP numbers: katja.ns.cloudflare.com points to: 2606:4700:50::a29f:2635, 2803:f800:50::6ca2:c235, 2a06:98c1:50::ac40:2235, 108.162.194.53, 162.159.38.53 and 172.64.34.53. shane.ns.cloudflare.com points to: 2606:4700:58::a29f:2c39, 2803:f800:50::6ca2:c339, 2a06:98c1:50::ac40:2339, 108.162.195.57, 162.159.44.57 and 172.64.35.57.

fileextensionlib.com - robtex.com