`scholasticteacher.com`

DNSSEC	⚠️ Not signed
A	216.182.167.209^{🇺🇸 AS3561216.182.160.0/20}
NS	`ns1.scholastic.com` ⭐
		A	204.69.234.246^{🇺🇸 MAINT-ID-12008204.69.234.0/24 Neustar}
			PTR	`ns1.scholastic.com`
NS	`ns2.scholastic.com`
		A	204.74.101.246^{🇺🇸 MAINT-ID-12008204.74.101.0/24 Neustar}
			PTR	`ns1.scholastic.com`
NS	`ns3.scholastic.com` ⚠️ Not in parent delegation
NS	`ns4.scholastic.com` ⚠️ Not in parent delegation
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`
MX	`mail.scholastic.com` ⭐
SOA	`ns1.scholastic.com`signtadmins@scholastic.com 2002-03-01 #1

`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=1775454272

Same first word

scholasticteacher.com

Similar names

teacherscholastic.org

DNS History

12 records (12 active, 0 former)

●NSns1.scholastic.com2007-10-29 → 2026-04-06 · 2 obs

● 2007-10-29 14:33:30
● 2026-04-06 05:59:44

●NSns2.scholastic.com2007-10-29 → 2026-04-06 · 2 obs

● 2007-10-29 14:33:30
● 2026-04-06 05:59:44

●NSns3.scholastic.com2007-10-29 → 2026-04-06 · 2 obs

● 2007-10-29 14:33:30
● 2026-04-06 05:59:44

●NSns4.scholastic.com2007-10-29 → 2026-04-06 · 2 obs

● 2007-10-29 14:33:30
● 2026-04-06 05:59:44

●NSpdns1.ultradns.net2015-08-16 → 2026-04-06 · 3 obs

○ 2007-10-29 14:33:30
● 2015-08-16 11:52:04
● 2026-04-06 05:59:44

●NSpdns2.ultradns.net2015-08-16 → 2026-04-06 · 3 obs

○ 2007-10-29 14:33:30
● 2015-08-16 11:52:04
● 2026-04-06 05:59:44

●NSpdns3.ultradns.org2015-08-16 → 2026-04-06 · 3 obs

○ 2007-10-29 14:33:30
● 2015-08-16 11:52:04
● 2026-04-06 05:59:44

●NSpdns4.ultradns.org2015-08-16 → 2026-04-06 · 3 obs

○ 2007-10-29 14:33:30
● 2015-08-16 11:52:04
● 2026-04-06 05:59:44

●NSpdns5.ultradns.info2015-08-16 → 2026-04-06 · 3 obs

○ 2007-10-29 14:33:30
● 2015-08-16 11:52:04
● 2026-04-06 05:59:44

●NSpdns6.ultradns.co.uk2015-08-16 → 2026-04-06 · 3 obs

○ 2007-10-29 14:33:30
● 2015-08-16 11:52:04
● 2026-04-06 05:59:44

●MXmail.scholastic.com2007-10-29 → 2026-04-06 · 2 obs

● 2007-10-29 14:33:30
● 2026-04-06 05:59:44

●A216.182.167.2092007-10-29 → 2026-04-06 · 2 obs

● 2007-10-29 14:33:30
● 2026-04-06 05:59:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net...	-
scholasticteacher.com	ns1.scholastic.com, ns2.scholastic.com	2 records

✅ Authoritative Response

Server:204.74.101.246

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for scholasticteacher.com (unsigned zone)

⏱️ Timing

Total: 231ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.182.167.209`
NS	10	`ns1.scholastic.com, ns2.scholastic.com...`
MX	1	`mail.scholastic.com (pri: 10)`
SOA	1	`ns1.scholastic.com signtadmins.scholasti`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.scholastic.com, ns2.scholastic.com)

Analysis

IP Addresses

scholasticteacher.com points to a single IP: 216.182.167.209.

Name Servers

scholasticteacher.com is delegated to ten name servers: ns1.scholastic.com, ns2.scholastic.com, ns3.scholastic.com, ns4.scholastic.com, pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.

scholasticteacher.com partially shares name servers with other domains; examples include fishersci.pt, espedia.tw, marthaclean.com, springerservice.com and thermofisher.jp.

These name servers are often used with the name servers udns1.ultradns.net and udns2.ultradns.net.

Host names with one IP number:

Host ns1.scholastic.com points to 204.69.234.246.

Host ns2.scholastic.com points to 204.74.101.246.

Host names with two IP numbers:

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

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

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

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

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

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

Mail Servers

scholasticteacher.com is handled by a single mail server, mail.scholastic.com.

scholasticteacher.com has the same mail server setup as other domains, including scholasticlibrarypublishing.com, scholastictv.net, scholasticmarketing.net, scholasticbrand.net and i-scholastic.com.

scholasticteacher.com shares at least partially some mail servers with other domains, for instance e1304.cf.akamaiedge.net and teacher.scholastic.com.ngrs.net.

these mail servers are often used alongside uubak1smtp2.flonetwork.com, uubak2smtp1.flonetwork.com and uubak3smtp1.flonetwork.com.

scholasticteacher.com - robtex.com