`classroomselect.com`

DNSSEC	⚠️ Not signed
A	67.52.17.13^{🇺🇸 RoadRunner67.52.17.0/24 RR-RC-School Specialty, Inc.-NEW}
		PTR	`syn-067-052-017-013.biz.spectrum.com`
NS	`ns1-02.azure-dns.com` ⭐
		A	2603:1061:0:700::2^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-02.azure-dns.com`
		A	13.107.236.2^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-02.azure-dns.com`
NS	`ns2-02.azure-dns.net`
		A	2620:1ec:8ec:700::2^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-02.azure-dns.net`
		A	150.171.21.2^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-02.azure-dns.net`
NS	`ns3-02.azure-dns.org`
		A	2a01:111:4000:700::2^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-02.azure-dns.org`
		A	204.14.183.2^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-02.azure-dns.org`
NS	`ns4-02.azure-dns.info`
		A	2620:1ec:bda:700::2^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-02.azure-dns.info`
		A	208.84.5.2^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-02.azure-dns.info`
TXT	`v=spf1 -all`
TXT	`google-site-verification=_fjyG5eORDeGblE6to8anNymgycsifKmg4x8bjsjQ`
SOA	`ns1-02.azure-dns.com`azuredns-hostmaster@microsoft.com serial=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=1771291435

Subdomains

www.classroomselect.com

Same first word

classroomselect.com

DNS History

10 records (5 active, 5 former)

○NSappvpnextnamed1.schoolspecialty.com2015-08-20 → 2018-07-31 · 4 obs

● 2015-08-20 15:23:06
● 2018-07-31 13:43:52
○ 2026-03-03 14:08:36
○ 2026-03-16 05:44:26

●NSns1-02.azure-dns.com2026-03-03 → 2026-03-16 · 3 obs

○ 2018-07-31 13:43:52
● 2026-03-03 14:08:36
● 2026-03-16 05:44:26

●NSns2-02.azure-dns.net2026-03-03 → 2026-03-16 · 3 obs

○ 2018-07-31 13:43:52
● 2026-03-03 14:08:36
● 2026-03-16 05:44:26

○NSns2.schoolspecialty.com2015-08-20 → 2018-07-31 · 4 obs

● 2015-08-20 15:23:06
● 2018-07-31 13:43:52
○ 2026-03-03 14:08:36
○ 2026-03-16 05:44:26

●NSns3-02.azure-dns.org2026-03-03 → 2026-03-16 · 3 obs

○ 2018-07-31 13:43:52
● 2026-03-03 14:08:36
● 2026-03-16 05:44:26

○NSns3.schoolspecialty.com2015-08-20 → 2018-07-31 · 4 obs

● 2015-08-20 15:23:06
● 2018-07-31 13:43:52
○ 2026-03-03 14:08:36
○ 2026-03-16 05:44:26

●NSns4-02.azure-dns.info2026-03-03 → 2026-03-16 · 3 obs

○ 2018-07-31 13:43:52
● 2026-03-03 14:08:36
● 2026-03-16 05:44:26

○NSns4.schoolspecialty.com2015-08-20 → 2018-07-31 · 4 obs

● 2015-08-20 15:23:06
● 2018-07-31 13:43:52
○ 2026-03-03 14:08:36
○ 2026-03-16 05:44:26

●A67.52.17.132026-03-03 → 2026-03-16 · 3 obs

○ 2018-07-31 13:43:52
● 2026-03-03 14:08:36
● 2026-03-16 05:44:26

○A67.52.17.1302015-08-20 → 2018-07-31 · 4 obs

● 2015-08-20 15:23:06
● 2018-07-31 13:43:52
○ 2026-03-03 14:08:36
○ 2026-03-16 05:44:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
classroomselect.com	ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info	2 records

✅ Authoritative Response

Server: 13.107.236.2

NS records: ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classroomselect.com (unsigned zone)

⏱️ Timing

Total: 476ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`67.52.17.13`
NS	4	`ns1-02.azure-dns.com, ns2-02.azure-dns.net...`
TXT	2	`google-site-verification=_fjyG5eORDeGblE, v=spf1 -all`
SOA	1	`ns1-02.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-02.azure-dns.com, ns1-02.azure-dns.com)

Analysis

Hierarchy

classroomselect.com is the parent of www.classroomselect.com.

IP Addresses

classroomselect.com points to IP number 67.52.17.13.

Other host names for example classroomdirect.com, syn-067-052-017-013.biz.spectrum.com and www.classroomselect.com share IP numbers with classroomselect.com.