tools4skool.com - dns.ninja

`tools4skool.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:8fee^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3f40^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.64^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.238^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`olga.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c089^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olga.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2089^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olga.ns.cloudflare.com`
		A	108.162.192.137^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	172.64.32.137^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	173.245.58.137^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
NS	`piers.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c10^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piers.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c310^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`piers.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2310^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`piers.ns.cloudflare.com`
		A	108.162.195.16^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piers.ns.cloudflare.com`
		A	162.159.44.16^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piers.ns.cloudflare.com`
		A	172.64.35.16^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piers.ns.cloudflare.com`
TXT	`google-site-verification=Csa9Q6vb8k4zcW0mQSAQoOPmn16j1hS0akEEnR5SEM8`
TXT	`google-site-verification=hOTgZKzbXILAZYrB6e44NpFpW95PLtLyiWXIfSI6F_k`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.63.64, 172.67.143.238
		IPv6 hints	2606:4700:3033::ac43:8fee, 2606:4700:3036::6815:3f40
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=134, name=cloudflare-ech.com
SOA	`olga.ns.cloudflare.com`dns@cloudflare.com serial=2406886823

`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=1785354737

WOT: UNKNOWN (1/100)

Same first word

tools4skool.com

DNS History

8 records (6 active, 2 former)

●NSolga.ns.cloudflare.com2026-06-15 → 2026-07-29 · 2 obs

● 2026-06-15 22:13:48
● 2026-07-29 20:19:28

●NSpiers.ns.cloudflare.com2026-06-15 → 2026-07-29 · 2 obs

● 2026-06-15 22:13:48
● 2026-07-29 20:19:28

●A104.21.63.642026-06-15 → 2026-07-29 · 2 obs

● 2026-06-15 22:13:48
● 2026-07-29 20:19:28

●A172.67.143.2382026-06-15 → 2026-07-29 · 2 obs

● 2026-06-15 22:13:48
● 2026-07-29 20:19:28

○A2606:4700:3031::6815:3f402026-06-15 → 2026-06-15 · 3 obs

● 2026-06-15 22:13:48
○ 2026-07-01 02:23:56
○ 2026-07-29 20:19:28

●A2606:4700:3033::ac43:8fee2026-07-01 → 2026-07-29 · 3 obs

○ 2026-06-15 22:13:48
● 2026-07-01 02:23:56
● 2026-07-29 20:19:28

○A2606:4700:3035::ac43:8fee2026-06-15 → 2026-06-15 · 3 obs

● 2026-06-15 22:13:48
○ 2026-07-01 02:23:56
○ 2026-07-29 20:19:28

●A2606:4700:3036::6815:3f402026-07-01 → 2026-07-29 · 3 obs

○ 2026-06-15 22:13:48
● 2026-07-01 02:23:56
● 2026-07-29 20:19:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net...	-
tools4skool.com	olga.ns.cloudflare.com, piers.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.16

NS records: olga.ns.cloudflare.com, piers.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tools4skool.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.63.64, 172.67.143.238`
AAAA	2	`2606:4700:3033::ac43:8fee, 2606:4700:3036::6815:3f40`
NS	2	`olga.ns.cloudflare.com, piers.ns.cloudflare.com`
TXT	2	`google-site-verification=Csa9Q6vb8k4zcW0, google-site-verification=hOTgZKzbXILAZYr`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`olga.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

tools4skool.com has four IP addresses: 104.21.63.64, 172.67.143.238, 2606:4700:3033::ac43:8fee and 2606:4700:3036::6815:3f40.

mail.kensicoproperties.com, 24372166.com, threatreadyresources.com plus two other host names have IP numbers in common with tools4skool.com.

Name Servers

DNS delegation for tools4skool.com points to two name servers: olga.ns.cloudflare.com and piers.ns.cloudflare.com.

The name server configuration of tools4skool.com is shared with other domains, for instance genericmedicine.com, xueqian5180.com.cn, moscowbti.ru and two others.

tools4skool.com has at least partial name server overlap with other domains, such as krupd.com, studentloanplannercourse.com, hsysok.com and two others.

It is common to find these name servers paired with the name servers ali.ns.cloudflare.com.

Hosts with 6 IP addresses each:

olga.ns.cloudflare.com has IP addresses 108.162.192.137, 172.64.32.137 and 173.245.58.137, plus 3 other.

piers.ns.cloudflare.com has IP addresses 108.162.195.16, 162.159.44.16 and 172.64.35.16, plus 3 other.