masterlock.us - robtex.com

masterlock.us

DNSSEC⚠️ Not signed
A66.81.203.139🇻🇬 AS4067666.81.203.0/24 Maintained by origin AS40034. Assigned to pyschznetworks (AS40676)
NSns27.worldnic.com ⚠️ Not in zone NS records
A162.159.26.132Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns28.worldnic.com ⚠️ Not in zone NS records
A162.159.27.77Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1784708427

Same first word

Similar names

DNS History

4 records (3 active, 1 former)

2017201820192020202120222023202420252026NSns27.worldnic.comns28.worldnic.comA66.81.203.139141.8.225.31
NSns27.worldnic.com2026-02-19 → 2026-07-22 · 2 obs
● 2026-02-19 14:52:52
● 2026-07-22 08:53:32
NSns28.worldnic.com2026-02-19 → 2026-07-22 · 2 obs
● 2026-02-19 14:52:52
● 2026-07-22 08:53:32
A141.8.225.312016-03-19 → 2017-03-26 · 4 obs
● 2016-03-19 23:25:48
● 2017-03-26 13:09:54
○ 2026-02-19 14:52:52
○ 2026-07-22 08:53:32
A66.81.203.1392026-02-19 → 2026-07-22 · 3 obs
○ 2017-03-26 13:09:54
● 2026-02-19 14:52:52
● 2026-07-22 08:53:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
masterlock.usns28.worldnic.com, ns27.worldnic.com-

✅ Authoritative Response

Server:162.159.27.77

NS records: ns28.worldnic.com, ns27.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterlock.us (unsigned zone)

⏱️ Timing

Total: 416ms | Queries: -

📄 Records

TypeCountSample Data
A166.81.203.139

Analysis

IP Addresses

masterlock.us points to a single IP number: 66.81.203.139.

Additional host names — www.sidingsource.biz, giochicasino.biz, floorplans.us and two others — share IP numbers with masterlock.us.

Name Servers

masterlock.us has two authoritative name servers — ns27.worldnic.com and ns28.worldnic.com.

masterlock.us shares its name server setup with other domains, including supplyfx.net, chaosentertainment.com, thebrowbar.net and two others.

Each of ns27.worldnic.com and ns28.worldnic.com has one IP address: ns27.worldnic.com uses 162.159.26.132 and ns28.worldnic.com uses 162.159.27.77.