doublezero.io - dns.ninja
doublezero.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=1781791125 | ||||||
Subdomains
fabric.doublezero.io |
Same first word
DNS History
5 records (5 active, 0 former)
●NSns-1033.awsdns-01.org2026-03-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:22
●NSns-1973.awsdns-54.co.uk2026-03-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:22
●NSns-387.awsdns-48.com2026-03-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:22
●NSns-598.awsdns-10.net2026-03-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:22
●MXdoublezero-io.mail.protection.outlook.com2026-03-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| doublezero.io | ns-1973.awsdns-54.co.uk, ns-387.awsdns-48.com, ns-598.awsdns-10.net, ns-1033.awsdns-01.org | - |
✅ Authoritative Response
Server:205.251.196.9
NS records: ns-1973.awsdns-54.co.uk, ns-387.awsdns-48.com, ns-598.awsdns-10.net, ns-1033.awsdns-01.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doublezero.io (unsigned zone)
⏱️ Timing
Total: 626ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1033.awsdns-01.org, ns-1973.awsdns-54.co.uk... |
| MX | 1 | doublezero-io.mail.protection.outlook.co |
| TXT | 8 | ZOOM_verify_WSwUwivETpaLyuZ768g2TA, adobe-idp-site-verification=4c264a3c840e... |
| SOA | 1 | ns-598.awsdns-10.net awsdns-hostmaster.a |
Analysis
Hierarchy
The domain fabric.doublezero.io falls under the parent doublezero.io.
Name Servers
Four name servers handle the delegation for doublezero.io: ns-387.awsdns-48.com, ns-598.awsdns-10.net, ns-1033.awsdns-01.org and ns-1973.awsdns-54.co.uk.
At least some of doublezero.io's name servers are shared with other domains, for example sms-applications.com, naa-amx.com, prod.eu-west-1.rc-lk.cloud1.vv1865.com and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-387.awsdns-48.com directs to 205.251.193.131 and 2600:9000:5301:8300::1; ns-598.awsdns-10.net directs to 205.251.194.86 and 2600:9000:5302:5600::1; ns-1033.awsdns-01.org directs to 205.251.196.9 and 2600:9000:5304:900::1; ns-1973.awsdns-54.co.uk directs to 205.251.199.181 and 2600:9000:5307:b500::1.
Mail Servers
doublezero.io uses one mail server — doublezero-io.mail.protection.outlook.com.
doublezero-io.mail.protection.outlook.com has 8 IP addresses: 40.93.192.4, 52.101.10.6, 52.101.11.9 plus 5 more.