big.com.mx - robtex.com
big.com.mx
| DNSSEC | ⚠️ Not signed | ||||||
| A | 174.136.57.138🇺🇸 TierPoint174.136.57.0/24 | ||||||
| PTR | coolcloud501.coolcom.com | ||||||
| NS | ns777.coolcom.com ⭐ | ||||||
| A | 165.140.159.117🇺🇸 AS40476165.140.159.0/24 Scala Hosting LLC | ||||||
| PTR | nameserver300.coolcom.com | ||||||
| NS | ns7.coolcom.com | ||||||
| A | 72.249.68.145🇺🇸 TierPoint72.249.68.0/24 | ||||||
| PTR | nameserver100.coolcom.com | ||||||
| NS | ns77.coolcom.com | ||||||
| A | 209.142.64.139🇺🇸 AS40476209.142.64.0/24 | ||||||
| PTR | nameserver200.coolcom.com | ||||||
| MX | mail.big.com.mx ⭐ | ||||||
| A | 174.136.57.138🇺🇸 TierPoint174.136.57.0/24 | ||||||
| PTR | coolcloud501.coolcom.com | ||||||
| TXT | v=spf1 ip4:174.136.57.138 +include:_spf.google.com ~all | ||||||
| SOA | ns7.coolcom.comserverhenk@coolcom.com 2026-06-09 #1 | ||||||
com.mx
| DNSSEC | ⚠️ Not signed | ||||||
| NS | m.mx-ns.mx ⭐ ⚠️ Not in parent delegation | ||||||
| NS | c.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | e.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | i.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | o.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | x.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | m.mx-ns.mxhostmaster@nic.mx serial=1782464269 | ||||||
Subdomains
mail.big.com.mx |
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
○NSns0.dnsmadeeasy.com2015-06-27 → 2017-03-25 · 4 obs
● 2017-03-25 15:59:16
○ 2020-01-05 06:52:34
○ 2026-06-26 09:30:08
●NSns7.coolcom.com2020-01-05 → 2026-06-26 · 3 obs
● 2020-01-05 06:52:34
● 2026-06-26 09:30:08
●NSns77.coolcom.com2020-01-05 → 2026-06-26 · 3 obs
● 2020-01-05 06:52:34
● 2026-06-26 09:30:08
●NSns777.coolcom.com2020-01-05 → 2026-06-26 · 3 obs
● 2020-01-05 06:52:34
● 2026-06-26 09:30:08
○NSns8.coolcom.com2015-06-27 → 2017-03-25 · 4 obs
● 2017-03-25 15:59:16
○ 2020-01-05 06:52:34
○ 2026-06-26 09:30:08
○NSns88.coolcom.com2015-06-27 → 2017-03-25 · 4 obs
● 2017-03-25 15:59:16
○ 2020-01-05 06:52:34
○ 2026-06-26 09:30:08
○NSns888.coolcom.com2015-06-27 → 2017-03-25 · 4 obs
● 2017-03-25 15:59:16
○ 2020-01-05 06:52:34
○ 2026-06-26 09:30:08
○NSns8888.coolcom.com2015-06-27 → 2017-03-25 · 4 obs
● 2017-03-25 15:59:16
○ 2020-01-05 06:52:34
○ 2026-06-26 09:30:08
○NSns88888.coolcom.com2015-06-27 → 2017-03-25 · 4 obs
● 2017-03-25 15:59:16
○ 2020-01-05 06:52:34
○ 2026-06-26 09:30:08
●MXmail.big.com.mx2015-06-27 → 2026-06-26 · 2 obs
● 2026-06-26 09:30:08
●A174.136.57.1382026-06-07 → 2026-06-26 · 3 obs
● 2026-06-07 00:48:20
● 2026-06-26 09:30:08
○A199.34.228.592017-03-25 → 2020-01-05 · 5 obs
● 2017-03-25 15:59:16
● 2020-01-05 06:52:34
○ 2026-06-07 00:48:20
○ 2026-06-26 09:30:08
○A208.69.57.1572016-02-29 → 2016-07-09 · 5 obs
● 2016-02-29 07:45:48
● 2016-07-09 13:00:52
○ 2017-03-25 15:59:16
○ 2026-06-26 09:30:08
○A208.69.57.672015-06-27 → 2015-11-14 · 4 obs
● 2015-11-14 16:49:22
○ 2016-02-29 07:45:48
○ 2026-06-26 09:30:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| mx | c.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx... | - |
| big.com.mx | ns7.coolcom.com, ns77.coolcom.com, ns777.coolcom.com | - |
✅ Authoritative Response
Server:209.142.64.139
NS records: ns7.coolcom.com, ns77.coolcom.com, ns777.coolcom.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for big.com.mx (unsigned zone)
⏱️ Timing
Total: 688ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 174.136.57.138 |
| NS | 3 | ns777.coolcom.com, ns7.coolcom.com... |
| MX | 1 | mail.big.com.mx (pri: 10) |
| TXT | 1 | v=spf1 ip4:174.136.57.138 +include:_spf. |
| SOA | 1 | ns7.coolcom.com serverhenk.coolcom.com |
Analysis
Hierarchy
The domain mail.big.com.mx falls under the parent big.com.mx.
IP Addresses
big.com.mx points to a single IP number: 174.136.57.138.
Additional host names — mail.oneclean.ca, mail.oriondesign.ca, mail.ilfc.ca and two others — share IP numbers with big.com.mx.
Name Servers
Three name servers are authoritative for big.com.mx: ns777.coolcom.com, ns77.coolcom.com and ns7.coolcom.com.
At least some of big.com.mx's name servers are shared with other domains, for example jarvin.com, secondparadise.ns.ca, wagg.ca and two more.
These name servers tend to be deployed in combination with the name servers ns1.coolcom.com and ns2.coolcom.com.
Three hostnames, one IP address apiece: ns777.coolcom.com resolves to 165.140.159.117, ns77.coolcom.com resolves to 209.142.64.139 and ns7.coolcom.com resolves to 72.249.68.145.
Mail Servers
big.com.mx has one mail server: mail.big.com.mx.
There is one IP number for mail.big.com.mx: 174.136.57.138.