`curriculum4schools.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:872a^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1a16^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.22^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.42^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dom.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dom.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dom.ns.cloudflare.com`
		A	108.162.193.157^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
		A	172.64.33.157^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
		A	173.245.59.157^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
NS	`tegan.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tegan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tegan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tegan.ns.cloudflare.com`
		A	108.162.192.226^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tegan.ns.cloudflare.com`
		A	172.64.32.226^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tegan.ns.cloudflare.com`
		A	173.245.58.226^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tegan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.26.22, 172.67.135.42
		IPv6 hints	2606:4700:3032::ac43:872a, 2606:4700:3037::6815:1a16
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com
SOA	`dom.ns.cloudflare.com`dns@cloudflare.com serial=2402332230

`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=1778504006

Same first word

curriculum4schools.com

DNS History

12 records (6 active, 6 former)

●NSdom.ns.cloudflare.com2015-06-18 → 2026-05-11 · 2 obs

● 2015-06-18 22:14:50
● 2026-05-11 13:01:28

●NStegan.ns.cloudflare.com2015-06-18 → 2026-05-11 · 2 obs

● 2015-06-18 22:14:50
● 2026-05-11 13:01:28

●A104.21.26.222026-04-09 → 2026-05-11 · 3 obs

○ 2020-04-06 10:59:58
● 2026-04-09 14:16:54
● 2026-05-11 13:01:28

○A104.28.22.1142015-06-18 → 2020-04-06 · 4 obs

● 2015-06-18 22:14:50
● 2020-04-06 10:59:58
○ 2026-04-09 14:16:54
○ 2026-05-11 13:01:28

○A104.28.23.1142015-06-18 → 2020-04-06 · 4 obs

● 2015-06-18 22:14:50
● 2020-04-06 10:59:58
○ 2026-04-09 14:16:54
○ 2026-05-11 13:01:28

●A172.67.135.422026-04-09 → 2026-05-11 · 3 obs

○ 2020-04-06 10:59:58
● 2026-04-09 14:16:54
● 2026-05-11 13:01:28

○A2400:cb00:2048:1::681c:16722015-06-18 → 2017-03-30 · 4 obs

● 2015-06-18 22:14:50
● 2017-03-30 08:46:28
○ 2020-04-06 10:59:58
○ 2026-05-11 13:01:28

○A2400:cb00:2048:1::681c:17722015-06-18 → 2017-03-30 · 4 obs

● 2015-06-18 22:14:50
● 2017-03-30 08:46:28
○ 2020-04-06 10:59:58
○ 2026-05-11 13:01:28

○A2606:4700:3030::681c:17722020-04-06 → 2020-04-06 · 4 obs

○ 2017-03-30 08:46:28
● 2020-04-06 10:59:58
○ 2026-04-09 14:16:54
○ 2026-05-11 13:01:28

●A2606:4700:3032::ac43:872a2026-04-09 → 2026-05-11 · 3 obs

○ 2020-04-06 10:59:58
● 2026-04-09 14:16:54
● 2026-05-11 13:01:28

○A2606:4700:3034::681c:16722020-04-06 → 2020-04-06 · 4 obs

○ 2017-03-30 08:46:28
● 2020-04-06 10:59:58
○ 2026-04-09 14:16:54
○ 2026-05-11 13:01:28

●A2606:4700:3037::6815:1a162026-04-09 → 2026-05-11 · 3 obs

○ 2020-04-06 10:59:58
● 2026-04-09 14:16:54
● 2026-05-11 13:01:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net...	-
curriculum4schools.com	dom.ns.cloudflare.com, tegan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:173.245.58.226

NS records: dom.ns.cloudflare.com, tegan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for curriculum4schools.com (unsigned zone)

⏱️ Timing

Total: 111ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.135.42, 104.21.26.22`
AAAA	2	`2606:4700:3037::6815:1a16, 2606:4700:3032::ac43:872a`
NS	2	`dom.ns.cloudflare.com, tegan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dom.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

curriculum4schools.com maps to four IP numbers: 2606:4700:3032::ac43:872a, 2606:4700:3037::6815:1a16, 104.21.26.22 and 172.67.135.42.

Other host names such as www.webslotcasino.com, mayasite.nl, mesotheliomanaturaltreatm21555.jaiblogs.com, elsecreto02468.jaiblogs.com and auto-glass-repair-in-covi17272.jaiblogs.com share IPs with curriculum4schools.com.

Name Servers

Two name servers dom.ns.cloudflare.com and tegan.ns.cloudflare.com handle the delegation for curriculum4schools.com.

curriculum4schools.com shares the same name server setup as other domains, for example cegrow.com, therumdiary.ru, fallentimbers.net, agenziabozzo.com and shidoscan.net.

curriculum4schools.com at least partially shares name servers with other domains, for example codetheory.in, wesharescience.com, payapp.au, yep-online.be and kingchat.vn.

These name servers are commonly used with june.ns.cloudflare.com and dina.ns.cloudflare.com and dolly.ns.cloudflare.com.

Host names with six IP numbers:

dom.ns.cloudflare.com points to 2606:4700:58::adf5:3b9d, 2803:f800:50::6ca2:c19d, 2a06:98c1:50::ac40:219d, 108.162.193.157, 172.64.33.157 and 173.245.59.157.

tegan.ns.cloudflare.com points to 2606:4700:50::adf5:3ae2, 2803:f800:50::6ca2:c0e2, 2a06:98c1:50::ac40:20e2, 108.162.192.226, 172.64.32.226 and 173.245.58.226.

curriculum4schools.com - robtex.com