alpha.study - robtex.com
alpha.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| A | 216.198.79.1Amazon216.198.79.0/24 | ||||||
| NS | ns17.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21c0::9🇺🇸 GODADDY-DNS2603:5:21c0::/44 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| A | 97.74.108.9🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| NS | ns-1013.awsdns-62.net ⚠️ Not in parent delegation | ||||||
| NS | ns-1252.awsdns-28.org ⚠️ Not in parent delegation | ||||||
| NS | ns-1797.awsdns-32.co.uk ⚠️ Not in parent delegation | ||||||
| NS | ns-85.awsdns-10.com ⚠️ Not in parent delegation | ||||||
| NS | ns18.domaincontrol.com | ||||||
| A | 2603:5:22c0::9🇺🇸 GODADDY-DNS2603:5:22c0::/44 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| A | 173.201.76.9🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| MX | mx2.zoho.in ⭐ | ||||||
| A | 169.148.146.168 | ||||||
| MX | mx3.zoho.in(20) | ||||||
| A | 103.89.74.165 | ||||||
| MX | mx.zoho.in(50) | ||||||
| A | 169.148.146.168 | ||||||
| A | 169.148.149.118 | ||||||
| TXT | v=spf1 include:zoho.in ~all | ||||||
| TXT | zoho-verification=zb70104974.zmverify.zoho.in | ||||||
| SOA | ns17.domaincontrol.comdns@jomax.net 2026-10-28 #8 | ||||||
study
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.study ⭐ | ||||||
| NS | b.nic.study | ||||||
| NS | c.nic.study | ||||||
| NS | x.nic.study | ||||||
| NS | y.nic.study | ||||||
| NS | z.nic.study | ||||||
| SOA | a.nic.studyadmin@tldns.godaddy serial=1793359255 | ||||||
DNS History
11 records (11 active, 0 former)
●NSns-1013.awsdns-62.net2026-08-29 → 2026-10-30 · 2 obs
● 2026-10-30 12:47:46
●NSns-1252.awsdns-28.org2026-08-29 → 2026-10-30 · 2 obs
● 2026-10-30 12:47:46
●NSns-1797.awsdns-32.co.uk2026-08-29 → 2026-10-30 · 2 obs
● 2026-10-30 12:47:46
●NSns-85.awsdns-10.com2026-08-29 → 2026-10-30 · 2 obs
● 2026-10-30 12:47:46
●NSns17.domaincontrol.com2026-08-29 → 2026-10-30 · 2 obs
● 2026-10-30 12:47:46
●NSns18.domaincontrol.com2026-08-29 → 2026-10-30 · 2 obs
● 2026-10-30 12:47:46
●A216.198.79.12026-10-28 → 2026-10-30 · 3 obs
● 2026-10-28 15:19:06
● 2026-10-30 12:47:46
●A76.76.21.212026-08-29 → 2026-10-30 · 2 obs
● 2026-10-30 12:47:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | x.nic.study, z.nic.study, a.nic.study, c.nic.study... | 12 records |
| alpha.study | ns17.domaincontrol.com, ns18.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.108.9
NS records: ns17.domaincontrol.com, ns18.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alpha.study (unsigned zone)
⏱️ Timing
Total: 1457ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 216.198.79.1, 76.76.21.21 |
| NS | 6 | ns-1252.awsdns-28.org, ns-1013.awsdns-62.net... |
| MX | 3 | mx.zoho.in (pri: 10), mx3.zoho.in (pri: 50)... |
| TXT | 2 | v=spf1 include:zoho.in ~all, zoho-verification=zb70104974.zmverify.zo |
| SOA | 1 | ns17.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.nic.study, y.nic.study, x.nic.study...)
Analysis
IP Addresses
alpha.study has two IP addresses: 76.76.21.21 and 216.198.79.1
Name Servers
alpha.study is served by 6 authoritative name servers — among them ns-85.awsdns-10.com, ns17.domaincontrol.com, ns18.domaincontrol.com and 3 others.
ns17.domaincontrol.com and ns18.domaincontrol.com both carry two IP addresses. The A records for ns17.domaincontrol.com are 97.74.108.9 and 2603:5:21c0::9; the A records for ns18.domaincontrol.com are 173.201.76.9 and 2603:5:22c0::9.
Mail Servers
The MX records for alpha.study list three mail servers: mx2.zoho.in, mx3.zoho.in and mx.zoho.in.
Hosts with two IP numbers each:
mx.zoho.in resolves to two addresses: 169.148.146.168 and 169.148.149.118.
Hosts that resolve to one IP address:
The hostname mx2.zoho.in resolves to 169.148.146.168.
The hostname mx3.zoho.in resolves to 103.89.74.165.
Host names that point to 169.148.146.168 : mx.zoho.in and mx2.zoho.in.