`contractorlicense.school`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8fd7^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:5f53^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.83^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.215^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adaline.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2631^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adaline.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c231^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adaline.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2231^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adaline.ns.cloudflare.com`
		A	108.162.194.49^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adaline.ns.cloudflare.com`
		A	162.159.38.49^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adaline.ns.cloudflare.com`
		A	172.64.34.49^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adaline.ns.cloudflare.com`
NS	`rajeev.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rajeev.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rajeev.ns.cloudflare.com`
		A	108.162.193.224^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	172.64.33.224^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	173.245.59.224^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.95.83, 172.67.143.215
		IPv6 hints	2606:4700:3030::ac43:8fd7, 2606:4700:3036::6815:5f53
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOA	`adaline.ns.cloudflare.com`dns@cloudflare.com serial=2403207903

`school`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.school` ⭐
	NS	`v0n1.nic.school`
	NS	`v0n2.nic.school`
	NS	`v0n3.nic.school`
	NS	`v2n0.nic.school`
	NS	`v2n1.nic.school`
	SOA	`v0n0.nic.school`hostmaster@donuts.email serial=1778596060

Same first word

contractorlicense.org

contractorlicense.info

contractorlicense.school

contractorlicense.com

contractorlicense.net

DNS History

6 records (6 active, 0 former)

●NSadaline.ns.cloudflare.com2026-03-11 → 2026-05-12 · 2 obs

● 2026-03-11 10:22:26
● 2026-05-12 14:42:32

●NSrajeev.ns.cloudflare.com2026-03-11 → 2026-05-12 · 2 obs

● 2026-03-11 10:22:26
● 2026-05-12 14:42:32

●A104.21.95.832026-03-11 → 2026-05-12 · 2 obs

● 2026-03-11 10:22:26
● 2026-05-12 14:42:32

●A172.67.143.2152026-03-11 → 2026-05-12 · 2 obs

● 2026-03-11 10:22:26
● 2026-05-12 14:42:32

●A2606:4700:3030::ac43:8fd72026-03-11 → 2026-05-12 · 2 obs

● 2026-03-11 10:22:26
● 2026-05-12 14:42:32

●A2606:4700:3036::6815:5f532026-03-11 → 2026-05-12 · 2 obs

● 2026-03-11 10:22:26
● 2026-05-12 14:42:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
school	v2n1.nic.school, v0n0.nic.school, v0n3.nic.school, v0n1.nic.school...	12 records
contractorlicense.school	rajeev.ns.cloudflare.com, adaline.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.49

NS records: rajeev.ns.cloudflare.com, adaline.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractorlicense.school (unsigned zone)

⏱️ Timing

Total: 552ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.95.83, 172.67.143.215`
AAAA	2	`2606:4700:3030::ac43:8fd7, 2606:4700:3036::6815:5f53`
NS	2	`adaline.ns.cloudflare.com, rajeev.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adaline.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.school, v0n1.nic.school, v0n2.nic.school...)

Analysis

IP Addresses

contractorlicense.school maps to four IP numbers: 2606:4700:3030::ac43:8fd7, 2606:4700:3036::6815:5f53, 104.21.95.83 and 172.67.143.215.

Other host names, for instance gamacorp.fr, app.cdnyl.net, autodiscover.newssiiopper.co.uk, devilhunter.org and 3asesvino.com share IP numbers with contractorlicense.school.

Name Servers

Two name servers adaline.ns.cloudflare.com and rajeev.ns.cloudflare.com are delegated to contractorlicense.school.

contractorlicense.school uses the same name server configuration as other domains, such as productmanagementnights.com, kbnmot.ru, microforce.gf, cslpreparation.com and icontractorschools.com.

contractorlicense.school at least partially shares name servers with other domains such as edgarallanpoepoesiacompleta.com, jxgiangho.com, theback-upplan.com, fordco.com and shik.bg.

These name servers are commonly used with logan.ns.cloudflare.com, sreeni.ns.cloudflare.com, greg.ns.cloudflare.com and dawn.ns.cloudflare.com.

Host names with six IP numbers: Host name adaline.ns.cloudflare.com points to 2606:4700:50::a29f:2631, 2803:f800:50::6ca2:c231, 2a06:98c1:50::ac40:2231, 108.162.194.49, 162.159.38.49 and 172.64.34.49; host name rajeev.ns.cloudflare.com points to 2606:4700:58::adf5:3be0, 2803:f800:50::6ca2:c1e0, 2a06:98c1:50::ac40:21e0, 108.162.193.224, 172.64.33.224 and 173.245.59.224.

contractorlicense.school - robtex.com