www.qbstudy.com - robtex.com

www.qbstudy.com

CNAMEpeaceful-yak-u2zf7vfjs30mueqk6v7itp6x.herokudns.com
DNSSEC⚠️ Not signed
A3.33.241.96🇺🇸 Amazon3.33.240.0/20
PTRa8985792cf9baf781.awsglobalaccelerator.com
A13.248.213.92🇺🇸 Amazon13.248.208.0/20
A15.197.149.68🇺🇸 Amazon15.197.144.0/20
A76.223.57.73🇺🇸 Amazon76.223.48.0/20

qbstudy.com

DNSSEC⚠️ Not signed
A3.33.251.168🇺🇸 Amazon3.33.240.0/20
A15.197.225.128🇺🇸 Amazon15.197.224.0/20
NSns01.domaincontrol.com ⭐
NSns02.domaincontrol.com
SOAns01.domaincontrol.comdns@jomax.net 2026-01-21 #0

Same first word

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DNS History

1 record (1 active, 0 former)

CNAMEpeaceful-yak-u2zf7vfjs30mueqk6v7itp6x.herokudns.com
●CNAMEpeaceful-yak-u2zf7vfjs30mueqk6v7itp6x.herokudns.com2026-03-17 → 2026-04-18 · 2 obs
● 2026-03-17 07:09:26
● 2026-04-18 06:51:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...-
qbstudy.comns01.domaincontrol.com, ns02.domaincontrol.com4 records

✅ Authoritative Response

Server:97.74.100.1

NS records: ns01.domaincontrol.com, ns02.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qbstudy.com (unsigned zone)

⏱️ Timing

Total: 105ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1peaceful-yak-u2zf7vfjs30mueqk6v7itp6x.he

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns01.domaincontrol.com, ns01.domaincontrol.com, ns02.domaincontrol.com...)

Analysis

IP Addresses

www.qbstudy.com points to four IP numbers: 3.33.241.96, 13.248.213.92, 15.197.149.68 and 76.223.57.73.

Other host names including radiant-salmon-dvlw344p1l3oxyd06eqi0jvu.herokudns.com, www.prndl.co.herokudns.com, selljewelry.com, cestprevupourquand.fr.herokudns.com and clear-ravine-puaksqncl7szrcx2b6jr6dvw.herokudns.com share IP numbers with www.qbstudy.com.