cortexfs.com - robtex.com
cortexfs.com
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=1778334696 | ||||||
Same first word
cortexfs.com |
Similar names
DNS History
11 records (3 active, 8 former)
●NSdns1.registrar-servers.com2026-03-14 → 2026-05-09 · 3 obs
● 2026-03-14 17:21:44
● 2026-05-09 13:57:14
●NSdns2.registrar-servers.com2026-03-14 → 2026-05-09 · 3 obs
● 2026-03-14 17:21:44
● 2026-05-09 13:57:14
○NSns69.domaincontrol.com2015-07-05 → 2015-11-10 · 4 obs
● 2015-11-10 13:20:26
○ 2016-02-01 09:18:04
○ 2026-05-09 13:57:14
○NSns70.domaincontrol.com2015-07-05 → 2015-11-10 · 4 obs
● 2015-11-10 13:20:26
○ 2016-02-01 09:18:04
○ 2026-05-09 13:57:14
○MXalt1.aspmx.l.google.com2015-07-05 → 2015-11-10 · 4 obs
● 2015-11-10 13:20:26
○ 2016-02-01 09:18:04
○ 2026-05-09 13:57:14
○MXalt2.aspmx.l.google.com2015-07-05 → 2015-11-10 · 4 obs
● 2015-11-10 13:20:26
○ 2016-02-01 09:18:04
○ 2026-05-09 13:57:14
○MXaspmx.l.google.com2015-07-05 → 2015-11-10 · 4 obs
● 2015-11-10 13:20:26
○ 2016-02-01 09:18:04
○ 2026-05-09 13:57:14
○MXaspmx2.googlemail.com2015-07-05 → 2015-11-10 · 4 obs
● 2015-11-10 13:20:26
○ 2016-02-01 09:18:04
○ 2026-05-09 13:57:14
○MXaspmx3.googlemail.com2015-07-05 → 2015-11-10 · 4 obs
● 2015-11-10 13:20:26
○ 2016-02-01 09:18:04
○ 2026-05-09 13:57:14
●MXsmtp.google.com2026-03-14 → 2026-05-09 · 3 obs
● 2026-03-14 17:21:44
● 2026-05-09 13:57:14
○A184.168.221.812015-07-05 → 2015-11-10 · 4 obs
● 2015-11-10 13:20:26
○ 2016-02-01 09:18:04
○ 2026-05-09 13:57:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net... | - |
| cortexfs.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortexfs.com (unsigned zone)
⏱️ Timing
Total: 153ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 1 | smtp.google.com (pri: 1) |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
Name Servers
cortexfs.com's delegation uses two name servers, dns1.registrar-servers.com and dns2.registrar-servers.com.
cortexfs.com shares the same name server setup as other domains, for example earthwords.com, santco.org, anythingspawsible.com, fnparts.net and alexsusanu.com.
cortexfs.com shares some name servers with other domains, such as anjalimittal.net, beerandshots.com, intgur.com and bit9.website.
these name servers are commonly used together with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
Host names with two IPs:
dns1.registrar-servers.com points to: 2610:a1:1024::200 and 156.154.132.200
dns2.registrar-servers.com points to: 2610:a1:1025::200 and 156.154.133.200
Mail Servers
cortexfs.com is handled by a single mail server, smtp.google.com.
cortexfs.com shares its mail server setup with other domains, including chrismediagroup.com, beleggen.co, gtplonline.com, losvillagratango.com and contenda.co.
The mail servers for cortexfs.com are shared with other domains, for instance dermaat.com, pplserviced.com, apoex.se, 022studio.com and fevap.org.
these mail servers are commonly used with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx.l.google.com.
The host name smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c03::1a, 2607:f8b0:4023:c03::1b, 2607:f8b0:4023:c0d::1a, 2607:f8b0:4023:c0d::1b, 74.125.137.26, 74.125.137.27, 142.250.101.26, 142.251.2.26 and 142.251.2.27.