cortextech.io - dns.ninja
cortextech.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=1785203484 | ||||||
Subdomains
media-cdn-stage.cortextech.io |
promo-asset.cortextech.io |
media-cdn.cortextech.io |
Same first word
cortextech.io |
cortextech.us |
DNS History
10 records (10 active, 0 former)
●NSns-1529.awsdns-63.org2026-02-19 → 2026-07-28 · 2 obs
● 2026-07-28 02:45:06
●NSns-1549.awsdns-01.co.uk2026-02-19 → 2026-07-28 · 2 obs
● 2026-07-28 02:45:06
●NSns-483.awsdns-60.com2026-02-19 → 2026-07-28 · 2 obs
● 2026-07-28 02:45:06
●NSns-600.awsdns-11.net2026-02-19 → 2026-07-28 · 2 obs
● 2026-07-28 02:45:06
●MXalt1.aspmx.l.google.com2026-02-19 → 2026-07-28 · 2 obs
● 2026-07-28 02:45:06
●MXalt2.aspmx.l.google.com2026-02-19 → 2026-07-28 · 2 obs
● 2026-07-28 02:45:06
●MXalt3.aspmx.l.google.com2026-02-19 → 2026-07-28 · 2 obs
● 2026-07-28 02:45:06
●MXalt4.aspmx.l.google.com2026-02-19 → 2026-07-28 · 2 obs
● 2026-07-28 02:45:06
●MXaspmx.l.google.com2026-02-19 → 2026-07-28 · 2 obs
● 2026-07-28 02:45:06
●A198.202.211.12026-02-19 → 2026-07-28 · 2 obs
● 2026-07-28 02:45:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, a0.nic.io, c0.nic.io, b0.nic.io | - |
| cortextech.io | ns-483.awsdns-60.com, ns-1529.awsdns-63.org, ns-600.awsdns-11.net, ns-1549.awsdns-01.co.uk | - |
✅ Authoritative Response
Server:205.251.198.13
NS records: ns-483.awsdns-60.com, ns-1529.awsdns-63.org, ns-600.awsdns-11.net, ns-1549.awsdns-01.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortextech.io (unsigned zone)
⏱️ Timing
Total: 1391ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.202.211.1 |
| NS | 4 | ns-1529.awsdns-63.org, ns-1549.awsdns-01.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | atlassian-sending-domain-verification=e3, v=spf1 include:_spf.google.com include:s |
| SOA | 1 | ns-1549.awsdns-01.co.uk awsdns-hostmaste |
Analysis
Hierarchy
media-cdn-stage.cortextech.io, promo-asset.cortextech.io and media-cdn.cortextech.io each fall under the parent domain cortextech.io.
IP Addresses
cortextech.io has exactly one IP address — 198.202.211.1.
nantucketcommunitytelevision.org, villamarie.fr, flexito.fr plus two other host names have IP numbers in common with cortextech.io.
Name Servers
Four name servers handle the delegation for cortextech.io: ns-483.awsdns-60.com, ns-600.awsdns-11.net, ns-1529.awsdns-63.org and ns-1549.awsdns-01.co.uk.
cortextech.io partially shares its NS delegation with several other domains, including talentdrive.com, daronjones.com, coloradoidtech.com and two others.
ns-483.awsdns-60.com, ns-600.awsdns-11.net, ns-1529.awsdns-63.org and ns-1549.awsdns-01.co.uk each carry two IP addresses. ns-483.awsdns-60.com has 205.251.193.227 and 2600:9000:5301:e300::1; ns-600.awsdns-11.net has 205.251.194.88 and 2600:9000:5302:5800::1; ns-1529.awsdns-63.org has 205.251.197.249 and 2600:9000:5305:f900::1; ns-1549.awsdns-01.co.uk has 205.251.198.13 and 2600:9000:5306:d00::1.
Mail Servers
cortextech.io is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by cortextech.io are shared with other domains: ns500742.ns500742.ns500671.ns500731.ns500671.ns500704.ns500704.ns500678.ns500671.ns500688.ns500649.ns500678.ns500142.lusty(0x736c7574)z.com, ns500698.ns500759.ns500758.ns500698.ns500735.ns500698.ns500735.ns500735.ns500698.ns500708.ns500698.ns500698.ns500619.ns500698.ns500576.ns500619.ns500576.trackreceptor.com, ns500699.ns500699.ns500734.ns500693.ns500693.ns500693.ns500699.ns500734.ns500683.ns500693.ns500693.ns500588.ns500588.ns500588.ns500588.ns500588.dtrkdll.com and two others among them.
These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names pointing to two IP addresses:
aspmx.l.google.com has two IP addresses: 173.194.45.26 and 2607:f8b0:4004:c21::1a.
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: 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.