🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`thinkingreader.org`

DNSSEC	⚠️ Not signed
A	216.182.167.202^{🇺🇸 AS3561216.182.160.0/20}
NS	`udns1.ultradns.net` ⭐
		A	2001:502:f3ff::d^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`udns1.ultradns.net`
		A	204.69.234.1^{🇺🇸 MAINT-ID-12008204.69.234.0/24 Neustar}
			PTR	`udns1.ultradns.net`
NS	`ns1.scholastic.com` ⚠️ Not in zone NS records
		A	204.69.234.246^{🇺🇸 MAINT-ID-12008204.69.234.0/24 Neustar}
			PTR	`ns1.scholastic.com`
NS	`ns2.scholastic.com` ⚠️ Not in zone NS records
		A	204.74.101.246^{🇺🇸 MAINT-ID-12008204.74.101.0/24 Neustar}
			PTR	`ns1.scholastic.com`
NS	`pdns1.ultradns.net` ⚠️ Not in parent delegation
		A	2001:502:f3ff::1^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns1.ultradns.net`
		A	204.74.108.1^{🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar}
			PTR	`pdns1.ultradns.net`
NS	`pdns2.ultradns.net` ⚠️ Not in parent delegation
		A	2610:a1:1014::1^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns2.ultradns.net`
		A	204.74.109.1^{🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar}
			PTR	`pdns2.ultradns.net`
NS	`pdns3.ultradns.org` ⚠️ Not in parent delegation
		A	2610:a1:1015::1^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns3.ultradns.org`
		A	199.7.68.1^{🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar}
			PTR	`pdns3.ultradns.org`
NS	`pdns4.ultradns.org` ⚠️ Not in parent delegation
		A	2001:502:4612::1^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns4.ultradns.org`
		A	199.7.69.1^{🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar}
			PTR	`pdns4.ultradns.org`
NS	`pdns5.ultradns.info` ⚠️ Not in parent delegation
		A	2610:a1:1016::1^{🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar}
			PTR	`pdns5.ultradns.info`
		A	204.74.114.1^{🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar}
			PTR	`pdns5.ultradns.info`
NS	`pdns6.ultradns.co.uk` ⚠️ Not in parent delegation
		A	2610:a1:1017::1^{🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar}
			PTR	`pdns6.ultradns.co.uk`
		A	204.74.115.1^{🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar}
			PTR	`pdns6.ultradns.co.uk`
SOA	`udns1.ultradns.net`jdanowitz@scholastic.com 2004-08-17 #3

`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=1790549715

Same first word

thinkingreader.net

thinkingreader.org

thinkingreader.com

Similar names

rethinkreading.dev

rethinkreading.org

rethinkreading.app

rethinkreading.com

Previous names

Next names

DNS History

10 records (10 active, 0 former)

●NSns1.scholastic.com2026-08-19 → 2026-09-27 · 3 obs

○ 2015-04-23 13:14:16
● 2026-08-19 11:25:32
● 2026-09-27 23:27:08

●NSns2.scholastic.com2026-08-19 → 2026-09-27 · 3 obs

○ 2015-04-23 13:14:16
● 2026-08-19 11:25:32
● 2026-09-27 23:27:08

●NSpdns1.ultradns.net2015-04-23 → 2026-09-27 · 2 obs

● 2015-04-23 13:14:16
● 2026-09-27 23:27:08

●NSpdns2.ultradns.net2015-04-23 → 2026-09-27 · 2 obs

● 2015-04-23 13:14:16
● 2026-09-27 23:27:08

●NSpdns3.ultradns.org2015-04-23 → 2026-09-27 · 2 obs

● 2015-04-23 13:14:16
● 2026-09-27 23:27:08

●NSpdns4.ultradns.org2015-04-23 → 2026-09-27 · 2 obs

● 2015-04-23 13:14:16
● 2026-09-27 23:27:08

●NSpdns5.ultradns.info2015-04-23 → 2026-09-27 · 2 obs

● 2015-04-23 13:14:16
● 2026-09-27 23:27:08

●NSpdns6.ultradns.co.uk2015-04-23 → 2026-09-27 · 2 obs

● 2015-04-23 13:14:16
● 2026-09-27 23:27:08

●NSudns1.ultradns.net2015-04-23 → 2026-09-27 · 2 obs

● 2015-04-23 13:14:16
● 2026-09-27 23:27:08

●A216.182.167.2022015-04-23 → 2026-09-27 · 2 obs

● 2015-04-23 13:14:16
● 2026-09-27 23:27:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
thinkingreader.org	ns1.scholastic.com, ns2.scholastic.com	-

✅ Authoritative Response

Server:204.69.234.246

NS records: ns1.scholastic.com, ns2.scholastic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkingreader.org (unsigned zone)

⏱️ Timing

Total: 806ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.182.167.202`
NS	6	`pdns1.ultradns.net, pdns2.ultradns.net...`
SOA	1	`udns1.ultradns.net jdanowitz.scholastic.`

Analysis

IP Addresses

thinkingreader.org points to a single IP number: 216.182.167.202.

Additional host names — scholastickids.com, westonwoods.org, www2.scholasticphonics.com and two others — share IP numbers with thinkingreader.org.

Name Servers

thinkingreader.org has 9 name servers — ns1.scholastic.com, ns2.scholastic.com, pdns5.ultradns.info and 6 others.

thinkingreader.org partially shares its NS delegation with several other domains, including expedia.com.lv, traveldoo.app, hardwearsessions.com and two others.

In DNS configurations, these name servers often share authority with pdns1.ultradns.net, pdns3.ultradns.org, pdns2.ultradns.net and 7 other name servers.

Host names with two IP numbers:

pdns5.ultradns.info resolves to 204.74.114.1 and 2610:a1:1016::1.

pdns1.ultradns.net resolves to 204.74.108.1 and 2001:502:f3ff::1.

pdns2.ultradns.net resolves to 204.74.109.1 and 2610:a1:1014::1.

udns1.ultradns.net resolves to 204.69.234.1 and 2001:502:f3ff::d.

pdns3.ultradns.org resolves to 199.7.68.1 and 2610:a1:1015::1.

pdns4.ultradns.org resolves to 199.7.69.1 and 2001:502:4612::1.

pdns6.ultradns.co.uk resolves to 204.74.115.1 and 2610:a1:1017::1.

Host names pointing to a single IP address:

ns1.scholastic.com resolves to 204.69.234.246.

ns2.scholastic.com resolves to 204.74.101.246.