`digitalclassroom.com`

DNSSEC	⚠️ Not signed
NS	`aus-ibextdns-01.wiley.com` ⭐
		A	63.97.185.156^{🇺🇸 JWS-ASN-01R63.97.184.0/23 Verizon Business}
NS	`car-ibextdns-01.wiley.com`
		A	63.97.119.2^{🇺🇸 JWS-ASN-01R63.97.118.0/23 Verizon Business}
			PTR	`host2.ttslinx.com`
MX	`mx2.emailsrvr.com` ⭐
		A	146.20.161.2^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx2.emailsrvr.com`
SOA	`aus-ibextdns-01.wiley.com`unix_admin@unix.wiley.com serial=155

`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=1774686097

Subdomains

www.digitalclassroom.com

Same first word

digitalclassroom.co.za

digitalclassroom.com

digitalclassroom.com.au

DNS History

14 records (3 active, 11 former)

○NSaus-ib-p-dns-001.wiley.com2017-12-05 → 2017-12-05 · 3 obs

○ 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

○NSaus-ib-p-dns-002.wiley.com2017-12-05 → 2017-12-05 · 3 obs

○ 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

●NSaus-ibextdns-01.wiley.com2026-03-28 → 2026-03-28 · 2 obs

○ 2017-12-05 17:42:24
● 2026-03-28 08:39:10

○NSbri-ns01.wiley.com2015-05-28 → 2017-12-05 · 3 obs

● 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

○NScar-ib-p-dns-002.wiley.com2017-12-05 → 2017-12-05 · 3 obs

○ 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

●NScar-ibextdns-01.wiley.com2026-03-28 → 2026-03-28 · 2 obs

○ 2017-12-05 17:42:24
● 2026-03-28 08:39:10

○NSjws-edcp.wiley.com2015-05-28 → 2017-12-05 · 3 obs

● 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

○NSns.wiley.co.uk2015-05-28 → 2017-12-05 · 3 obs

● 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

○NSns.wileypub.com2015-05-28 → 2017-12-05 · 3 obs

● 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

○NSns2.wiley.co.uk2015-05-28 → 2017-12-05 · 3 obs

● 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

○NSsg-ns01.wiley.com2015-05-28 → 2017-12-05 · 3 obs

● 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

○MXmx1.emailsrvr.com2015-05-28 → 2017-12-05 · 3 obs

● 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

●MXmx2.emailsrvr.com2015-05-28 → 2026-03-28 · 2 obs

● 2015-05-28 17:35:48
● 2026-03-28 08:39:10

○A208.215.179.1322015-05-28 → 2017-12-05 · 3 obs

● 2015-05-28 17:35:48
● 2017-12-05 17:42:24
○ 2026-03-28 08:39:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...	-
digitalclassroom.com	aus-ibextdns-01.wiley.com, car-ibextdns-01.wiley.com	2 records

✅ Authoritative Response

Server:63.97.185.156

NS records: aus-ibextdns-01.wiley.com, car-ibextdns-01.wiley.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for digitalclassroom.com (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`car-ibextdns-01.wiley.com, aus-ibextdns-01.wiley.com`
MX	1	`mx2.emailsrvr.com (pri: 20)`
SOA	1	`aus-ibextdns-01.wiley.com unix_admin.uni`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (aus-ibextdns-01.wiley.com, car-ibextdns-01.wiley.com)

Analysis

Hierarchy

The parent of www.digitalclassroom.com is digitalclassroom.com.

Name Servers

digitalclassroom.com is delegated to two name servers: aus-ibextdns-01.wiley.com and car-ibextdns-01.wiley.com.

digitalclassroom.com shares the same name server setup as knowitallanyware.eu, uclhguide.com, wileypublishinginc.com, expressexec.com and www.pfeiffer.com.

Host names with a single IP:

aus-ibextdns-01.wiley.com points to 63.97.185.156.

car-ibextdns-01.wiley.com points to 63.97.119.2.

Mail Servers

digitalclassroom.com is handled by a single mail server, mx2.emailsrvr.com.

The mail server setup for digitalclassroom.com matches that of other domains, for instance pwshost11itb.promowebstudio.net, dimmers.net, robbinspharmacy.com, mail.promowebstudio.net and cahomes.net.

digitalclassroom.com shares at least partially some mail servers with other domains, including webclinicpro.com, professoresdeplantao.com.br, aic-web.com, zettacode.com and amberleaanimalhospital.com.

these mail servers are commonly used together with mx1.emailsrvr.com.

mx2.emailsrvr.com points to a single IP: 146.20.161.2.

digitalclassroom.com - robtex.com