studystack.io - dns.ninja
studystack.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=1789490753 | ||||||
Same first word
studystack.click |
studystack.dev |
studystack.com |
studystack.uk |
studystack.io |
studystack.today |
studystack.co.uk |
studystack.ai |
studystack.pages.dev |
studystack.de |
studystack.app |
studystack.cn |
studystack.fun |
Similar names
Previous names
Next names
DNS History
8 records (8 active, 0 former)
●NSpdns1.registrar-servers.com2026-09-09 → 2026-09-15 · 2 obs
● 2026-09-15 16:54:32
●NSpdns2.registrar-servers.com2026-09-09 → 2026-09-15 · 2 obs
● 2026-09-15 16:54:32
●MXeforward1.registrar-servers.com2026-09-09 → 2026-09-15 · 2 obs
● 2026-09-15 16:54:32
●MXeforward2.registrar-servers.com2026-09-09 → 2026-09-15 · 2 obs
● 2026-09-15 16:54:32
●MXeforward3.registrar-servers.com2026-09-09 → 2026-09-15 · 2 obs
● 2026-09-15 16:54:32
●MXeforward4.registrar-servers.com2026-09-09 → 2026-09-15 · 2 obs
● 2026-09-15 16:54:32
●MXeforward5.registrar-servers.com2026-09-09 → 2026-09-15 · 2 obs
● 2026-09-15 16:54:32
●A162.255.119.1922026-09-09 → 2026-09-15 · 2 obs
● 2026-09-15 16:54:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| studystack.io | pdns1.registrar-servers.com, pdns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.132.100
NS records: pdns1.registrar-servers.com, pdns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studystack.io (unsigned zone)
⏱️ Timing
Total: 629ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.255.119.192 |
| NS | 2 | pdns1.registrar-servers.com, pdns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| SOA | 1 | pdns1.registrar-servers.com hostmaster.r |
Analysis
IP Addresses
studystack.io points to a single IP number: 162.255.119.192.
Additional host names — theadhdlife-coach.com, pegaseasrecoverygroup.com, iidx.win and two others — share IP numbers with studystack.io.
Name Servers
studystack.io is served by two delegated name servers, pdns1.registrar-servers.com and pdns2.registrar-servers.com.
studystack.io shares its name server setup with other domains, including sgun.org, psw-tech.com, lcislegal.com and two others.
Each of the two host names carries two IP addresses: pdns1.registrar-servers.com points to 156.154.132.100 and 2610:a1:1024::100, and pdns2.registrar-servers.com points to 156.154.133.100 and 2610:a1:1025::100.
Mail Servers
Five mail servers handle studystack.io: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.
studystack.io shares mail servers — at least in part — with other domains, including pen4d.xyz, bestfoodtherapy-egg-and-tuna-diet.shop, pagan.ai and two others.
It is common to find these mail servers used together with the mail servers eforward4.registrar-servers.com and eforward5.registrar-servers.com.
Host names pointing to a single IP address:
eforward1.registrar-servers.com points to the IP address 162.255.118.51.
eforward2.registrar-servers.com points to the IP address 162.255.118.52.
eforward3.registrar-servers.com points to the IP address 162.255.118.51.
eforward4.registrar-servers.com points to the IP address 162.255.118.52.
eforward5.registrar-servers.com points to the IP address 162.255.118.51.
eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com are host names that all point to 162.255.118.51.
These two host names — eforward2.registrar-servers.com and eforward4.registrar-servers.com — each point to 162.255.118.52 IP addresses.