shell.cr - dns.ninja
shell.cr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.shell.com ⭐ | ||||||
| A | 134.146.80.20🇳🇱 SHELL-3917134.146.0.0/16 To allow routing to other ISPs | ||||||
| PTR | dns1.shell.com | ||||||
| NS | dns2.shell.com | ||||||
| A | 144.199.196.20🇲🇾 SHELL-3918144.199.196.0/22 To allow routing to other ISPs | ||||||
| PTR | dns2.shell.com | ||||||
| NS | dns3.shell.com | ||||||
| A | 134.163.128.20🇺🇸 AS11355134.163.0.0/16 | ||||||
| PTR | dns3.shell.com | ||||||
| MX | mail.global.frontbridge.com ⭐ | ||||||
| SOA | dns1.shell.comdns@shell.com serial=3054 | ||||||
cr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.cr ⭐ | ||||||
| NS | a.lactld.org | ||||||
| NS | ca1.nic.cr | ||||||
| NS | ca2.nic.cr | ||||||
| NS | de.nic.cr | ||||||
| NS | p.nic.cr | ||||||
| SOA | dns.nic.crti@nic.cr serial=1783261803 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns1.shell.com2015-08-17 → 2026-07-05 · 5 obs
● 2026-06-14 20:01:36
○ 2026-06-19 13:04:08
● 2026-07-05 14:34:28
● 2026-07-05 14:34:32
●NSdns2.shell.com2015-08-17 → 2026-07-05 · 5 obs
● 2026-06-14 20:01:36
○ 2026-06-19 13:04:08
● 2026-07-05 14:34:28
● 2026-07-05 14:34:32
●NSdns3.shell.com2015-08-17 → 2026-07-05 · 5 obs
● 2026-06-14 20:01:36
○ 2026-06-19 13:04:08
● 2026-07-05 14:34:28
● 2026-07-05 14:34:32
●MXmail.global.frontbridge.com2015-08-17 → 2026-07-05 · 5 obs
● 2026-06-14 20:01:36
○ 2026-06-19 13:04:08
● 2026-07-05 14:34:28
● 2026-07-05 14:34:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cr | a.lactld.org, dns.nic.cr, de.nic.cr, ca1.nic.cr... | 12 records |
| shell.cr | dns1.shell.com, dns2.shell.com, dns3.shell.com | - |
✅ Authoritative Response
Server:144.199.196.20
NS records: dns1.shell.com, dns2.shell.com, dns3.shell.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for shell.cr (unsigned zone)
⏱️ Timing
Total: 1282ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | dns2.shell.com, dns3.shell.com... |
| MX | 1 | mail.global.frontbridge.com (pri: 20) |
| SOA | 1 | dns1.shell.com dns.shell.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 10 (dns.nic.cr, ca2.nic.cr, ca1.nic.cr...)
Out-of-bailiwick: 2 (a.lactld.org, a.lactld.org)
Analysis
Name Servers
Three name servers are authoritative for shell.cr: dns1.shell.com, dns2.shell.com and dns3.shell.com.
shell.cr has at least partial name server overlap with other domains, such as shell.com.co, shell.lu, shell.sz and two others.
Three hostnames, one IP address apiece: dns1.shell.com resolves to 134.146.80.20, dns2.shell.com resolves to 144.199.196.20 and dns3.shell.com resolves to 134.163.128.20.
Mail Servers
shell.cr routes its mail through a single mail server, mail.global.frontbridge.com.
shell.cr has the same mail server arrangement as a number of other domains, for example tonneau.org, mastercardforsmallbusiness.com, nosoxshoes.com and two more.
shell.cr shares at least some of its mail servers with other domains — for example wd-40specialist.si, aegis-cap.com, msc-nala.com and two more.