calsystems.com - robtex.com

calsystems.com

DNSSEC⚠️ Not signed
A207.148.248.143🇺🇸 EIG-29873207.148.248.0/24
NSns.buydomains.com ⚠️ Not in zone NS records
A52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix
PTRec2-52-20-26-87.compute-1.amazonaws.com
NSthis-domain-for-sale.com ⚠️ Not in zone NS records
A52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix
PTRec2-52-20-26-87.compute-1.amazonaws.com

com

Same first word

Similar names

DNS History

4 records (3 active, 1 former)

20162017201820192020202120222023202420252026NSns.buydomains.comthis-domain-for-sale.comA207.148.248.14366.151.181.49
NSns.buydomains.com2026-06-27 → 2026-07-14 · 2 obs
● 2026-06-27 11:47:22
● 2026-07-14 22:55:14
NSthis-domain-for-sale.com2026-06-27 → 2026-07-14 · 2 obs
● 2026-06-27 11:47:22
● 2026-07-14 22:55:14
A207.148.248.1432015-10-14 → 2026-07-14 · 3 obs
○ 2015-05-22 19:55:48
● 2015-10-14 21:39:56
● 2026-07-14 22:55:14
A66.151.181.492015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 19:55:48
○ 2015-10-14 21:39:56
○ 2026-07-14 22:55:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
calsystems.comns.buydomains.com, this-domain-for-sale.com2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calsystems.com (unsigned zone)

⏱️ Timing

Total: 652ms | Queries: -

📄 Records

TypeCountSample Data
A1207.148.248.143

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

calsystems.com has exactly one IP address — 207.148.248.143.

sois.net, valuableone.com, studioplus.net plus two other host names have IP numbers in common with calsystems.com.

Name Servers

Two name servers handle the delegation for calsystems.com: this-domain-for-sale.com and ns.buydomains.com.

The name server configuration of calsystems.com is shared with other domains, for instance specialtyvintage.com, eventsplanner.org, ssgservice.com and two others.

calsystems.com is at least partially co-delegated on name servers with other domains, such as srgonline.com.

this-domain-for-sale.com directs to 52.20.26.87, as does ns.buydomains.com — both hostnames resolve to that one IP address.

this-domain-for-sale.com along with ns.buydomains.com each resolve to 52.20.26.87 IP addresses.