bookclassroom.com - robtex.com

bookclassroom.com

DNSSEC⚠️ Not signed
A162.255.119.23🇺🇸 NAMCHEAP-PH162.255.119.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
NSdns1.registrar-servers.com ⭐
A2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com
A2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
MXeforward1.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward2.registrar-servers.com ⭐
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward3.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward4.registrar-servers.com(15)
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward5.registrar-servers.com(20)
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
TXTv=spf1 include:spf.efwd.registrar-servers.com ~all
SOAdns1.registrar-servers.comhostmaster@registrar-servers.com serial=1612765157

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

bookclassroom.com

DNS History

19 records (8 active, 11 former)

200920112013201520172019202120232025NSdns1.registrar-servers.comdns2.registrar-servers.comns1fkl.name.comns2glx.name.comns31.domaincontrol.comns32.domaincontrol.comns3flt.name.comns4hmp.name.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.commailstore1.secureserver.netsmtp.secureserver.netA162.255.119.2368.178.232.9969.64.147.24275.126.102.241
●NSdns1.registrar-servers.com2026-02-22 → 2026-03-23 · 3 obs
○ 2018-09-14 01:56:12
● 2026-02-22 23:55:48
● 2026-03-23 03:04:46
●NSdns2.registrar-servers.com2026-02-22 → 2026-03-23 · 3 obs
○ 2018-09-14 01:56:12
● 2026-02-22 23:55:48
● 2026-03-23 03:04:46
○NSns1fkl.name.com2016-11-19 → 2016-11-19 · 4 obs
○ 2015-10-19 22:07:12
● 2016-11-19 05:02:14
○ 2018-09-14 01:56:12
○ 2026-03-23 03:04:46
○NSns2glx.name.com2016-11-19 → 2016-11-19 · 4 obs
○ 2015-10-19 22:07:12
● 2016-11-19 05:02:14
○ 2018-09-14 01:56:12
○ 2026-03-23 03:04:46
○NSns31.domaincontrol.com2008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:27:56
○ 2015-10-19 22:07:12
○ 2026-03-23 03:04:46
○NSns32.domaincontrol.com2008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:27:56
○ 2015-10-19 22:07:12
○ 2026-03-23 03:04:46
○NSns3flt.name.com2016-11-19 → 2016-11-19 · 4 obs
○ 2015-10-19 22:07:12
● 2016-11-19 05:02:14
○ 2018-09-14 01:56:12
○ 2026-03-23 03:04:46
○NSns4hmp.name.com2016-11-19 → 2016-11-19 · 4 obs
○ 2015-10-19 22:07:12
● 2016-11-19 05:02:14
○ 2018-09-14 01:56:12
○ 2026-03-23 03:04:46
●MXeforward1.registrar-servers.com2026-02-22 → 2026-03-23 · 3 obs
○ 2015-10-19 22:07:12
● 2026-02-22 23:55:48
● 2026-03-23 03:04:46
●MXeforward2.registrar-servers.com2026-02-22 → 2026-03-23 · 3 obs
○ 2015-10-19 22:07:12
● 2026-02-22 23:55:48
● 2026-03-23 03:04:46
●MXeforward3.registrar-servers.com2026-02-22 → 2026-03-23 · 3 obs
○ 2015-10-19 22:07:12
● 2026-02-22 23:55:48
● 2026-03-23 03:04:46
●MXeforward4.registrar-servers.com2026-02-22 → 2026-03-23 · 3 obs
○ 2015-10-19 22:07:12
● 2026-02-22 23:55:48
● 2026-03-23 03:04:46
●MXeforward5.registrar-servers.com2026-02-22 → 2026-03-23 · 3 obs
○ 2015-10-19 22:07:12
● 2026-02-22 23:55:48
● 2026-03-23 03:04:46
○MXmailstore1.secureserver.net2008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:27:56
○ 2015-10-19 22:07:12
○ 2026-03-23 03:04:46
○MXsmtp.secureserver.net2008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:27:56
○ 2015-10-19 22:07:12
○ 2026-03-23 03:04:46
●A162.255.119.232026-02-22 → 2026-03-23 · 3 obs
○ 2018-09-14 01:56:12
● 2026-02-22 23:55:48
● 2026-03-23 03:04:46
○A68.178.232.992008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 06:27:56
○ 2015-10-19 22:07:12
○ 2026-03-23 03:04:46
○A69.64.147.2422016-04-02 → 2016-04-02 · 4 obs
○ 2015-10-19 22:07:12
● 2016-04-02 07:51:48
○ 2016-11-19 05:02:14
○ 2026-03-23 03:04:46
○A75.126.102.2412016-11-19 → 2016-11-19 · 4 obs
○ 2016-04-02 07:51:48
● 2016-11-19 05:02:14
○ 2018-09-14 01:56:12
○ 2026-03-23 03:04:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
bookclassroom.comdns1.registrar-servers.com, dns2.registrar-servers.com4 records

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bookclassroom.com (unsigned zone)

⏱️ Timing

Total: 189ms | Queries: -

📄 Records

TypeCountSample Data
A1162.255.119.23
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
MX5eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...
TXT1v=spf1 include:spf.efwd.registrar-server
SOA1dns1.registrar-servers.com hostmaster.re

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

IP Addresses

bookclassroom.com resolves to one IP number: 162.255.119.23.

Other host names, for instance kazooparty.com, btownplumber.com, cacsa.net, j1-visa.org and 3n3357.com share IP numbers with bookclassroom.com.

Name Servers

bookclassroom.com's delegation uses two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

bookclassroom.com uses the same name server setup as other domains, such as thisisoutofhand.com, afzaliqbal.org, bencarrental.com, immigrationcolumbus.com and clthub.com.

bookclassroom.com shares name servers with other domains at least partially, for example madilog.id, sonarplatform.io and c-mason.com.

Host names with two IPs:

dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200

dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200

Mail Servers

bookclassroom.com is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.

bookclassroom.com shares at least some mail servers with other domains, for example adsforhotels.com, thechurchmilitant.com, thecontributist.com, aizhanzu.com and infinityshares.com.

These mail servers are often used with eforward6.registrar-servers.com and eforward7.registrar-servers.com.

Host names with one IP number

eforward1.registrar-servers.com points to 162.255.118.51.

eforward2.registrar-servers.com points to 162.255.118.52.

eforward3.registrar-servers.com points to 162.255.118.51.

eforward4.registrar-servers.com points to 162.255.118.52.

eforward5.registrar-servers.com points to 162.255.118.51.

Host names that point to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.

Host names that point to 162.255.118.52: eforward2.registrar-servers.com and eforward4.registrar-servers.com.