gmatprepcourse.com - robtex.com

gmatprepcourse.com

DNSSEC⚠️ Not signed
A13.248.213.45🇺🇸 Amazon13.248.208.0/20
PTRa67c48129651a0940.awsglobalaccelerator.com
A76.223.67.189🇺🇸 Amazon76.223.64.0/20
NSns49.domaincontrol.com ⭐
A2603:5:2182::19🇺🇸 GODADDY-DNS2603:5:2180::/44
PTRns49.domaincontrol.com
A97.74.104.25🇺🇸 GODADDY-DNS97.74.104.0/23
PTRns49.domaincontrol.com
NSns50.domaincontrol.com
A2603:5:2282::19🇺🇸 GODADDY-DNS2603:5:2280::/44
PTRns50.domaincontrol.com
A173.201.72.25🇺🇸 GODADDY-DNS173.201.72.0/23
PTRns50.domaincontrol.com
SOAns49.domaincontrol.comdns@jomax.net 2026-03-24 #1

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=1774382122

Subdomains

www.gmatprepcourse.com

Same first word

gmatprepcourse.com

DNS History

20 records (4 active, 16 former)

20162017201820192020202120222023202420252026NSns49.domaincontrol.comns50.domaincontrol.comfred.ns.cloudflare.comgreg.ns.cloudflare.comjake.ns.cloudflare.comlily.ns.cloudflare.commaria.ns.cloudflare.comrita.ns.cloudflare.comMXdc-90cceab4.gmatprepcourse.comA13.248.213.4576.223.67.189104.21.61.34104.27.140.84104.27.141.84104.31.92.167104.31.93.167172.67.205.1972606:4700:3032::6815:3d222606:4700:3032::ac43:cdc545.79.86.27
○NSfred.ns.cloudflare.com2015-07-15 → 2015-07-15 · 3 obs
● 2015-07-15 04:22:12
○ 2015-12-02 09:00:58
○ 2026-03-24 20:22:48
○NSgreg.ns.cloudflare.com2015-12-02 → 2016-03-17 · 5 obs
○ 2015-07-15 04:22:12
● 2015-12-02 09:00:58
● 2016-03-17 02:57:02
○ 2016-10-11 15:34:20
○ 2026-03-24 20:22:48
○NSjake.ns.cloudflare.com2016-10-11 → 2026-03-14 · 4 obs
○ 2016-03-17 02:57:02
● 2016-10-11 15:34:20
● 2026-03-14 13:30:58
○ 2026-03-24 20:22:48
○NSlily.ns.cloudflare.com2016-10-11 → 2026-03-14 · 4 obs
○ 2016-03-17 02:57:02
● 2016-10-11 15:34:20
● 2026-03-14 13:30:58
○ 2026-03-24 20:22:48
○NSmaria.ns.cloudflare.com2015-12-02 → 2016-03-17 · 5 obs
○ 2015-07-15 04:22:12
● 2015-12-02 09:00:58
● 2016-03-17 02:57:02
○ 2016-10-11 15:34:20
○ 2026-03-24 20:22:48
●NSns49.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-14 13:30:58
● 2026-03-24 20:22:48
●NSns50.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-14 13:30:58
● 2026-03-24 20:22:48
○NSrita.ns.cloudflare.com2015-07-15 → 2015-07-15 · 3 obs
● 2015-07-15 04:22:12
○ 2015-12-02 09:00:58
○ 2026-03-24 20:22:48
○MXdc-90cceab4.gmatprepcourse.com2015-12-02 → 2026-03-14 · 3 obs
● 2015-12-02 09:00:58
● 2026-03-14 13:30:58
○ 2026-03-24 20:22:48
○A104.21.61.342026-02-22 → 2026-03-14 · 4 obs
○ 2017-06-22 05:37:54
● 2026-02-22 11:53:14
● 2026-03-14 13:30:58
○ 2026-03-24 20:22:48
○A104.27.140.842015-12-02 → 2016-03-17 · 5 obs
○ 2015-07-15 04:22:12
● 2015-12-02 09:00:58
● 2016-03-17 02:57:02
○ 2016-10-11 15:34:20
○ 2026-03-24 20:22:48
○A104.27.141.842015-12-02 → 2016-03-17 · 5 obs
○ 2015-07-15 04:22:12
● 2015-12-02 09:00:58
● 2016-03-17 02:57:02
○ 2016-10-11 15:34:20
○ 2026-03-24 20:22:48
○A104.31.92.1672015-07-15 → 2015-07-15 · 3 obs
● 2015-07-15 04:22:12
○ 2015-12-02 09:00:58
○ 2026-03-24 20:22:48
○A104.31.93.1672015-07-15 → 2015-07-15 · 3 obs
● 2015-07-15 04:22:12
○ 2015-12-02 09:00:58
○ 2026-03-24 20:22:48
●A13.248.213.452026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-14 13:30:58
● 2026-03-24 20:22:48
○A172.67.205.1972026-02-22 → 2026-03-14 · 4 obs
○ 2017-06-22 05:37:54
● 2026-02-22 11:53:14
● 2026-03-14 13:30:58
○ 2026-03-24 20:22:48
○A2606:4700:3032::6815:3d222026-02-22 → 2026-03-14 · 4 obs
○ 2017-06-22 05:37:54
● 2026-02-22 11:53:14
● 2026-03-14 13:30:58
○ 2026-03-24 20:22:48
○A2606:4700:3032::ac43:cdc52026-02-22 → 2026-03-14 · 4 obs
○ 2017-06-22 05:37:54
● 2026-02-22 11:53:14
● 2026-03-14 13:30:58
○ 2026-03-24 20:22:48
○A45.79.86.272016-10-11 → 2017-06-22 · 5 obs
○ 2016-03-17 02:57:02
● 2016-10-11 15:34:20
● 2017-06-22 05:37:54
○ 2026-02-22 11:53:14
○ 2026-03-24 20:22:48
●A76.223.67.1892026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-14 13:30:58
● 2026-03-24 20:22:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...-
gmatprepcourse.comns49.domaincontrol.com, ns50.domaincontrol.com4 records

✅ Authoritative Response

Server:97.74.104.25

NS records: ns49.domaincontrol.com, ns50.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gmatprepcourse.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.67.189, 13.248.213.45
NS2ns49.domaincontrol.com, ns50.domaincontrol.com
SOA1ns49.domaincontrol.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns49.domaincontrol.com, ns49.domaincontrol.com, ns50.domaincontrol.com...)

Analysis

Hierarchy

The parent of www.gmatprepcourse.com is gmatprepcourse.com.

IP Addresses

gmatprepcourse.com points to two IP numbers: 13.248.213.45 and 76.223.67.189.

Other host names such as dirsasa.com, millsandhills.com, yobebe.com, wealtht.com and inglovis.com share IPs with gmatprepcourse.com.

Name Servers

gmatprepcourse.com is delegated to two name servers: ns49.domaincontrol.com and ns50.domaincontrol.com.

gmatprepcourse.com shares the same name server setup as zahnimplantate-vorarlberg.at, raccoon-x.com, dualator.com, ausfuture.com.au and swtn.org.

gmatprepcourse.com shares some name servers with other domains, for instance getinstabadge.com.

Host names with two IP numbers: ns49.domaincontrol.com points to: 2603:5:2182::19 and 97.74.104.25; ns50.domaincontrol.com points to: 2603:5:2282::19 and 173.201.72.25.