`worksheetsfree.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:5b80^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:dbcb^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.91.128^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.219.203^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dexter.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cbe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dexter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dexter.ns.cloudflare.com`
		A	108.162.195.190^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	162.159.44.190^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	172.64.35.190^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
NS	`janet.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`janet.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`janet.ns.cloudflare.com`
		A	108.162.192.169^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	172.64.32.169^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	173.245.58.169^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
TXT	`google-site-verification=bG1xEuQtPk8a2t8HknZ_CbRydpry9Gf4tFoISvXqIWQ`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.91.128, 172.67.219.203
		IPv6 hints	2606:4700:3034::6815:5b80, 2606:4700:3037::ac43:dbcb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOA	`dexter.ns.cloudflare.com`dns@cloudflare.com serial=2403074336

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1778595231

Same first word

worksheetsfree.org

DNS History

6 records (6 active, 0 former)

●NSdexter.ns.cloudflare.com2026-03-25 → 2026-05-12 · 2 obs

● 2026-03-25 08:44:04
● 2026-05-12 14:32:04

●NSjanet.ns.cloudflare.com2026-03-25 → 2026-05-12 · 2 obs

● 2026-03-25 08:44:04
● 2026-05-12 14:32:04

●A104.21.91.1282026-03-25 → 2026-05-12 · 2 obs

● 2026-03-25 08:44:04
● 2026-05-12 14:32:04

●A172.67.219.2032026-03-25 → 2026-05-12 · 2 obs

● 2026-03-25 08:44:04
● 2026-05-12 14:32:04

●A2606:4700:3034::6815:5b802026-03-25 → 2026-05-12 · 2 obs

● 2026-03-25 08:44:04
● 2026-05-12 14:32:04

●A2606:4700:3037::ac43:dbcb2026-03-25 → 2026-05-12 · 2 obs

● 2026-03-25 08:44:04
● 2026-05-12 14:32:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
worksheetsfree.org	dexter.ns.cloudflare.com, janet.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.169

NS records: dexter.ns.cloudflare.com, janet.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for worksheetsfree.org (unsigned zone)

⏱️ Timing

Total: 853ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.219.203, 104.21.91.128`
AAAA	2	`2606:4700:3034::6815:5b80, 2606:4700:3037::ac43:dbcb`
NS	2	`dexter.ns.cloudflare.com, janet.ns.cloudflare.com`
TXT	1	`google-site-verification=bG1xEuQtPk8a2t8`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dexter.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

worksheetsfree.org maps to four IP numbers: 2606:4700:3034::6815:5b80, 2606:4700:3037::ac43:dbcb, 104.21.91.128 and 172.67.219.203.

Other host names such as hitachi-energy.de, alslais-fish.com, kimsguesthouse.com, romanticfaith.com and smartvip134.com share IPs with worksheetsfree.org.

Name Servers

Two name servers dexter.ns.cloudflare.com and janet.ns.cloudflare.com handle the delegation for worksheetsfree.org.

worksheetsfree.org shares the same name server setup as other domains, for example printablepedia.net, immediatediamox-360.com, tenovia.com, pasterinos.com and cubicube.com.

worksheetsfree.org at least partially shares name servers with other domains, for example mandmcarpetcleaners.com, saimiaohuimaogangbengruabulin.cfd, 1800eventos.com, tennisbay.com and apshop.eu.

These name servers are commonly used with wells.ns.cloudflare.com and aleena.ns.cloudflare.com and diva.ns.cloudflare.com.

Host names with six IP numbers:

dexter.ns.cloudflare.com points to 2606:4700:58::a29f:2cbe, 2803:f800:50::6ca2:c3be, 2a06:98c1:50::ac40:23be, 108.162.195.190, 162.159.44.190 and 172.64.35.190.

janet.ns.cloudflare.com points to 2606:4700:50::adf5:3aa9, 2803:f800:50::6ca2:c0a9, 2a06:98c1:50::ac40:20a9, 108.162.192.169, 172.64.32.169 and 173.245.58.169.

worksheetsfree.org - robtex.com