cortexso.com - dns.ninja
cortexso.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 129.121.5.164🇺🇸 EIGI129.121.0.0/19 NF DALLAS Route Object | ||||||
| PTR | ip-129-121-5-164.local | ||||||
| NS | ns1.arvixeshared.com ⭐ | ||||||
| A | 162.214.130.201🇺🇸 EIGI162.214.0.0/15 Unified Layer | ||||||
| PTR | 162-214-130-201.unifiedlayer.com | ||||||
| NS | ns2.arvixeshared.com | ||||||
| A | 162.214.129.78🇺🇸 EIGI162.214.0.0/15 Unified Layer | ||||||
| PTR | 162-214-129-78.unifiedlayer.com | ||||||
| MX | mail.cortexso.com ⭐ | ||||||
| A | 129.121.5.164🇺🇸 EIGI129.121.0.0/19 NF DALLAS Route Object | ||||||
| PTR | ip-129-121-5-164.local | ||||||
| TXT | v=spf1 ip4:143.95.224.32 +a +mx +ip4:23.91.71.247 +include:relay.mailchannels... | ||||||
| SOA | ns1.arvixeshared.comroot@localhost.localdomain 2022-12-16 #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=1782872421 | ||||||
Subdomains
mail.cortexso.com |
Same first word
cortexso.com |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1.arvixeshared.com2020-02-16 → 2026-07-01 · 2 obs
● 2026-07-01 02:22:56
●NSns2.arvixeshared.com2020-02-16 → 2026-07-01 · 2 obs
● 2026-07-01 02:22:56
●MXmail.cortexso.com2020-02-16 → 2026-07-01 · 2 obs
● 2026-07-01 02:22:56
●A129.121.5.1642026-03-03 → 2026-07-01 · 3 obs
● 2026-03-03 15:23:40
● 2026-07-01 02:22:56
○A23.91.71.2472020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 09:48:14
○ 2026-03-03 15:23:40
○ 2026-07-01 02:22:56
○A74.220.199.92015-08-04 → 2017-03-28 · 4 obs
● 2017-03-28 02:03:40
○ 2020-02-16 09:48:14
○ 2026-07-01 02:22:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cortexso.com | ns1.arvixeshared.com, ns2.arvixeshared.com | 2 records |
✅ Authoritative Response
Server:162.214.130.201
NS records: ns1.arvixeshared.com, ns2.arvixeshared.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortexso.com (unsigned zone)
⏱️ Timing
Total: 923ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 129.121.5.164 |
| NS | 2 | ns1.arvixeshared.com, ns2.arvixeshared.com |
| MX | 1 | mail.cortexso.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:143.95.224.32 +a +mx +ip4:23. |
| SOA | 1 | ns1.arvixeshared.com root.localhost.loca |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.arvixeshared.com, ns2.arvixeshared.com)
Analysis
Hierarchy
mail.cortexso.com is delegated beneath cortexso.com.
IP Addresses
cortexso.com resolves to one IP address: 129.121.5.164.
mail.cams2spy.com, szkoda.com, mail.brianpi.com and two other host names share IP numbers with cortexso.com.
Name Servers
cortexso.com is served by two delegated name servers, ns1.arvixeshared.com and ns2.arvixeshared.com.
cortexso.com uses the same name servers as several other domains — among them almacenesjr.com, alistairchristl.ca, bestjourney.us and two more.
There is at least partial name server overlap between cortexso.com and other domains — boisecybersecurity.com, pletlfamily.com, heatherdorff.com and two more among them.
These name servers frequently co-occur with the name servers ns1.butterfly.arvixe.com and ns2.butterfly.arvixe.com.
ns1.arvixeshared.com → 162.214.130.201 and ns2.arvixeshared.com → 162.214.129.78: one IP number per host name.
Mail Servers
Mail for cortexso.com is handled by a single mail server, mail.cortexso.com.
There is one IP number for mail.cortexso.com: 129.121.5.164.