linuxcore.com - dns.ninja
linuxcore.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.79.128.99🇬🇧 AKAMAI-LINODE-AP178.79.128.0/18 Akamai Technologies | ||||||
| NS | ns21.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2141::b🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| A | 97.74.100.11🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| NS | ns22.domaincontrol.com | ||||||
| A | 2603:5:2241::b🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| A | 173.201.68.11🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| MX | smtp.linuxcore.com ⭐ | ||||||
| SOA | ns21.domaincontrol.comdns@jomax.net 2020-02-26 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784439952 | ||||||
Subdomains
smtp.linuxcore.com |
Same first word
linuxcore.com |
linuxcore.fr |
Similar names
DNS History
7 records (4 active, 3 former)
●NSns21.domaincontrol.com2015-07-09 → 2026-07-19 · 2 obs
● 2026-07-19 05:53:14
●NSns22.domaincontrol.com2015-07-09 → 2026-07-19 · 2 obs
● 2026-07-19 05:53:14
○NSpark21.secureserver.net2020-01-07 → 2020-01-07 · 4 obs
● 2020-01-07 21:07:02
○ 2026-03-30 06:27:18
○ 2026-07-19 05:53:14
○NSpark22.secureserver.net2020-01-07 → 2020-01-07 · 4 obs
● 2020-01-07 21:07:02
○ 2026-03-30 06:27:18
○ 2026-07-19 05:53:14
●MXsmtp.linuxcore.com2015-07-09 → 2026-07-19 · 2 obs
● 2026-07-19 05:53:14
●A178.79.128.992020-01-07 → 2026-07-19 · 3 obs
● 2020-01-07 21:07:02
● 2026-07-19 05:53:14
○A84.41.210.2232015-07-09 → 2016-10-19 · 4 obs
● 2016-10-19 10:05:58
○ 2020-01-07 21:07:02
○ 2026-07-19 05:53:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net... | - |
| linuxcore.com | ns21.domaincontrol.com, ns22.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.68.11
NS records: ns21.domaincontrol.com, ns22.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxcore.com (unsigned zone)
⏱️ Timing
Total: 91ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.79.128.99 |
| NS | 2 | ns21.domaincontrol.com, ns22.domaincontrol.com |
| MX | 1 | smtp.linuxcore.com (pri: 0) |
| SOA | 1 | ns21.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)
Analysis
Hierarchy
linuxcore.com is the parent zone for smtp.linuxcore.com.
IP Addresses
linuxcore.com directs to one IP number, which is 178.79.128.99.
Among the host names that share IP numbers with linuxcore.com is 178-79-128-99.ip.linodeusercontent.com, as one example.
Name Servers
The NS records for linuxcore.com delegate to ns21.domaincontrol.com and ns22.domaincontrol.com.
linuxcore.com has the same name server delegation as a number of other domains, such as mopti.org, adjobz.biz, housevictoria.com and two more.
linuxcore.com and other domains like accesso.us share at least a portion of their name servers.
ns21.domaincontrol.com resolves to 97.74.100.11 and 2603:5:2141::b. Likewise, ns22.domaincontrol.com resolves to 173.201.68.11 and 2603:5:2241::b — two IP addresses apiece.
Mail Servers
linuxcore.com routes its mail through a single mail server, smtp.linuxcore.com.