cortexgroup.com - dns.ninja
cortexgroup.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=1782563860 | ||||||
Same first word
Similar names
DNS History
14 records (9 active, 5 former)
○NSns.buydomains.com2008-03-18 → 2008-03-18 · 3 obs
○ 2015-08-17 17:25:28
○ 2026-06-27 13:06:00
●NSns91.worldnic.com2026-03-31 → 2026-06-27 · 3 obs
● 2026-03-31 21:00:46
● 2026-06-27 13:06:00
●NSns92.worldnic.com2026-03-31 → 2026-06-27 · 3 obs
● 2026-03-31 21:00:46
● 2026-06-27 13:06:00
○NSthis-domain-for-sale.com2008-03-18 → 2008-03-18 · 3 obs
○ 2015-08-17 17:25:28
○ 2026-06-27 13:06:00
●MXalt1.aspmx.l.google.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 13:06:00
●MXalt2.aspmx.l.google.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 13:06:00
●MXalt3.aspmx.l.google.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 13:06:00
●MXalt4.aspmx.l.google.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 13:06:00
●MXaspmx.l.google.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 13:06:00
○MXdev.null2008-03-18 → 2008-03-18 · 3 obs
○ 2015-08-17 17:25:28
○ 2026-06-27 13:06:00
●MXfxhqocbx6y4omia5xcyahkpx3lvmlkpkpkcqxuvzh27jfas3t5ca.mx-verification.google.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 13:06:00
○A207.148.248.1432015-08-17 → 2017-12-01 · 5 obs
● 2015-08-17 17:25:28
● 2017-12-01 19:43:40
○ 2026-03-31 21:00:46
○ 2026-06-27 13:06:00
○A208.254.26.1322008-03-18 → 2008-03-18 · 3 obs
○ 2015-08-17 17:25:28
○ 2026-06-27 13:06:00
●A208.91.197.272026-03-31 → 2026-06-27 · 3 obs
● 2026-03-31 21:00:46
● 2026-06-27 13:06:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net... | - |
| cortexgroup.com | ns91.worldnic.com, ns92.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.26.217
NS records: ns91.worldnic.com, ns92.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortexgroup.com (unsigned zone)
⏱️ Timing
Total: 143ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.91.197.27 |
| NS | 2 | ns91.worldnic.com, ns92.worldnic.com |
| MX | 6 | alt3.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)... |
| SOA | 1 | NS91.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns91.worldnic.com, ns92.worldnic.com)
Analysis
IP Addresses
cortexgroup.com has exactly one IP address — 208.91.197.27.
dlmeng.biz, thejademaster.com, ns4.vizual.net plus two other host names have IP numbers in common with cortexgroup.com.
Name Servers
DNS delegation for cortexgroup.com points to two name servers: ns91.worldnic.com and ns92.worldnic.com.
The name server configuration of cortexgroup.com is shared with other domains, for instance teamkdhs.com, tallowwoodulc.com, moonbootmedia.com and two others.
ns91.worldnic.com resolves to 162.159.26.217. ns92.worldnic.com resolves to 162.159.27.155. Both host names point to a single IP number.
Mail Servers
The MX records for cortexgroup.com point to 6 mail servers — aspmx.l.google.com, fxhqocbx6y4omia5xcyahkpx3lvmlkpkpkcqxuvzh27jfas3t5ca.mx-verification.google.com, alt1.aspmx.l.google.com and 3 other.
At least some of the mail servers used by cortexgroup.com are shared with other domains: ns500698.ns500698.ns500735.ns500698.ns500698.ns500698.ns500735.ns500735.ns500736.ns500708.ns500698.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, ns500698.ns500698.ns500758.ns500758.ns500736.ns500698.ns500735.ns500736.ns500698.ns500735.ns500708.ns500708.ns500708.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, ns500768.ns500698.ns500758.ns500736.ns500735.ns500735.ns500698.ns500735.ns500736.ns500698.ns500698.ns500708.ns500698.ns500698.trackreceptor.com and two others among them.
These mail servers are often deployed together with alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and 4 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com has two IP addresses: 172.253.139.26 and 2607:f8b0:4004:c27::1a.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.