cortex.io - dns.ninja
cortex.io
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1785678657 | ||||||
rank #1757 in the tld
📈 Tranco rank: #507,846
Subdomains
www.cortex.io |
Same first word
Similar names
DNS History
16 records (10 active, 6 former)
●NSns-cloud-d1.googledomains.com2026-02-18 → 2026-08-02 · 3 obs
● 2026-02-18 07:45:00
● 2026-08-02 14:00:14
●NSns-cloud-d2.googledomains.com2026-02-18 → 2026-08-02 · 3 obs
● 2026-02-18 07:45:00
● 2026-08-02 14:00:14
●NSns-cloud-d3.googledomains.com2026-02-18 → 2026-08-02 · 3 obs
● 2026-02-18 07:45:00
● 2026-08-02 14:00:14
●NSns-cloud-d4.googledomains.com2026-02-18 → 2026-08-02 · 3 obs
● 2026-02-18 07:45:00
● 2026-08-02 14:00:14
○NSns1.iwantmyname.net2018-11-13 → 2018-11-13 · 3 obs
○ 2026-02-18 07:45:00
○ 2026-08-02 14:00:14
○NSns2.iwantmyname.net2018-11-13 → 2018-11-13 · 3 obs
○ 2026-02-18 07:45:00
○ 2026-08-02 14:00:14
○NSns3.iwantmyname.net2018-11-13 → 2018-11-13 · 3 obs
○ 2026-02-18 07:45:00
○ 2026-08-02 14:00:14
○NSns4.iwantmyname.net2018-11-13 → 2018-11-13 · 3 obs
○ 2026-02-18 07:45:00
○ 2026-08-02 14:00:14
●MXalt1.aspmx.l.google.com2026-02-18 → 2026-08-02 · 2 obs
● 2026-08-02 14:00:14
●MXalt2.aspmx.l.google.com2026-02-18 → 2026-08-02 · 2 obs
● 2026-08-02 14:00:14
●MXalt3.aspmx.l.google.com2026-02-18 → 2026-08-02 · 2 obs
● 2026-08-02 14:00:14
●MXalt4.aspmx.l.google.com2026-02-18 → 2026-08-02 · 2 obs
● 2026-08-02 14:00:14
●MXaspmx.l.google.com2026-02-18 → 2026-08-02 · 2 obs
● 2026-08-02 14:00:14
○A192.30.252.1532018-11-13 → 2018-11-13 · 3 obs
○ 2026-02-18 07:45:00
○ 2026-08-02 14:00:14
○A192.30.252.1542018-11-13 → 2018-11-13 · 3 obs
○ 2026-02-18 07:45:00
○ 2026-08-02 14:00:14
●A76.76.21.212026-02-18 → 2026-08-02 · 3 obs
● 2026-02-18 07:45:00
● 2026-08-02 14:00:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| cortex.io | ns-cloud-d1.googledomains.com, ns-cloud-d4.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d2.googledomains.com | - |
✅ Authoritative Response
Server:216.239.32.109
NS records: ns-cloud-d1.googledomains.com, ns-cloud-d4.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d2.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1029ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 4 | ns-cloud-d4.googledomains.com, ns-cloud-d1.googledomains.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 12 | 448E46E709, atlassian-domain-verification=KBI5lkFqP5... |
| SOA | 1 | ns-cloud-d1.googledomains.com cloud-dns- |
Analysis
Hierarchy
cortex.io is a parent domain of www.cortex.io.
IP Addresses
cortex.io resolves to one IP address: 76.76.21.21.
cardrona.com, freshwokoh.com, pandabrand.net and two other host names share IP numbers with cortex.io.
Name Servers
The authoritative name servers for cortex.io are ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.
cortex.io shares at least some of its name servers with other domains, including djcoates.com, xyzastro.com, barquitodepapel.com and two others.
The host names ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com each resolve to two IP addresses: ns-cloud-d1.googledomains.com resolves to 216.239.32.109 and 2001:4860:4802:32::6d; ns-cloud-d2.googledomains.com resolves to 216.239.34.109 and 2001:4860:4802:34::6d; ns-cloud-d3.googledomains.com resolves to 216.239.36.109 and 2001:4860:4802:36::6d; ns-cloud-d4.googledomains.com resolves to 216.239.38.109 and 2001:4860:4802:38::6d.
Mail Servers
Mail for cortex.io is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
cortex.io has at least partial mail server overlap with other domains such as ns500693.ns500693.ns500693.ns500734.ns500734.ns500699.ns500699.ns500683.ns500693.ns500699.ns500632.ns500110.dtrkdll.com, dgn.fish, ns500758.ns500758.ns500698.ns500759.ns500698.ns500736.ns500735.ns500698.ns500736.ns500708.ns500576.ns500576.ns500619.trackreceptor.com and two more.
These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com has two IP addresses: 192.178.155.27 and 2607:f8b0:4004:c06::1b.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 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::1b.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.