www.cornerstoneadminisystems.com - robtex.com

www.cornerstoneadminisystems.com

DNSSEC⚠️ Not signed
A216.220.166.214

cornerstoneadminisystems.com

DNSSEC⚠️ Not signed
A216.220.166.214
NSns11.worldnic.com ⭐
NSns12.worldnic.com
MXcornerstoneadminisystems.com.1.0001.arsmtp.com ⭐
MXcornerstoneadminisystems.com.2.0001.arsmtp.com(20)
TXTv=spf1 include:spf.protection.outlook.com include:spf.zixsmbhosted.com ip4:21...
TXTM7nBtSOEnf0bGjcceMKDqNgRu6yjRUkqbYfZOu80dJhWq/F6SOGrYMWb8QtiUXuJGRggQLdBjLMCm...
TXTVz+Np2FleE1Nz49TW7EVELxDsT0aQSF495j1NgH/6A0=
SOANS11.WORLDNIC.comnamehost@WORLDNIC.com serial=126040915

Previously MX for

cornerstoneadminisystems.com

DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A216.220.166.21464.111.144.6866.216.143.214
●A216.220.166.2142026-03-23 → 2026-05-13 · 3 obs
○ 2016-12-07 01:31:08
● 2026-03-23 04:18:14
● 2026-05-13 19:59:32
○A64.111.144.682015-08-09 → 2015-12-01 · 4 obs
● 2015-08-09 13:44:04
● 2015-12-01 02:51:22
○ 2016-03-07 19:57:32
○ 2026-05-13 19:59:32
○A66.216.143.2142016-03-07 → 2016-12-07 · 5 obs
○ 2015-12-01 02:51:22
● 2016-03-07 19:57:32
● 2016-12-07 01:31:08
○ 2026-03-23 04:18:14
○ 2026-05-13 19:59:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...-
cornerstoneadminisystems.comns11.worldnic.com, ns12.worldnic.com2 records

✅ Authoritative Response

Server:162.159.27.150

NS records: ns11.worldnic.com, ns12.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornerstoneadminisystems.com (unsigned zone)

⏱️ Timing

Total: 3340ms | Queries: -

📄 Records

TypeCountSample Data
A1216.220.166.214

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns11.worldnic.com, ns12.worldnic.com)

Analysis

IP Addresses

www.cornerstoneadminisystems.com resolves to a single IP: 216.220.166.214.