www.prepbooks.com - robtex.com

www.prepbooks.com

DNSSEC⚠️ Not signed
A209.195.8.70🇺🇸 COLOBLOX-6597209.195.0.0/18 Coloblox Data Centers Inc

prepbooks.com

DNSSEC⚠️ Not signed
A209.195.8.70🇺🇸 COLOBLOX-6597209.195.0.0/18 Coloblox Data Centers Inc
NSns89.worldnic.com ⭐
NSns90.worldnic.com
MXprepbooks-com.mail.protection.outlook.com ⭐
TXTMS=ms54017300
TXTv=spf1 ip4:209.195.8.66
TXTv=spf1 include:secureserver.net -all
SOANS89.WORLDNIC.comnamehost@WORLDNIC.com serial=122010714

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DNS History

2 records (1 active, 1 former)

20192020202120222023202420252026A209.195.8.70209.195.7.190
○A209.195.7.1902018-06-15 → 2018-06-15 · 3 obs
● 2018-06-15 23:56:28
○ 2026-03-25 07:57:12
○ 2026-05-14 13:31:30
●A209.195.8.702026-03-25 → 2026-05-14 · 3 obs
○ 2018-06-15 23:56:28
● 2026-03-25 07:57:12
● 2026-05-14 13:31:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
prepbooks.comns89.worldnic.com, ns90.worldnic.com2 records

✅ Authoritative Response

Server:162.159.26.131

NS records: ns89.worldnic.com, ns90.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prepbooks.com (unsigned zone)

⏱️ Timing

Total: 376ms | Queries: -

📄 Records

TypeCountSample Data
A1209.195.8.70

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns89.worldnic.com, ns90.worldnic.com)

Analysis

IP Addresses

www.prepbooks.com points to a single IP number: 209.195.8.70.

Other host names, for example *.prepbooks.com, prepbooks.com, win-ntkfi0n2v63.prepbooks.com and mail.prepbooks.com share IP numbers with www.prepbooks.com.