classes.study - robtex.com
classes.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| A | 216.198.79.65🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| NS | ns1.vercel-dns.com ⭐ | ||||||
| A | 2620:4d:4000:6259:7:13:0:1🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1 | ||||||
| A | 198.51.44.13🇺🇸 NSONE198.51.44.0/24 | ||||||
| NS | ns2.vercel-dns.com | ||||||
| A | 2a00:edc0:6259:7:13::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2 | ||||||
| A | 198.51.45.13🇺🇸 NSONE198.51.45.0/24 | ||||||
| SOA | ns1.vercel-dns.comhostmaster@nsone.net serial=1758245136 | ||||||
study
| DNSSEC | ⚠️ Not signed | ||||||
| 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=1793753034 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (4 active, 2 former)
●NSns1.vercel-dns.com2026-09-24 → 2026-11-04 · 2 obs
● 2026-11-04 01:18:48
●NSns2.vercel-dns.com2026-09-24 → 2026-11-04 · 2 obs
● 2026-11-04 01:18:48
●A216.198.79.12026-09-25 → 2026-11-04 · 11 obs
● 2026-09-25 07:58:32
○ 2026-09-26 02:46:28
● 2026-09-28 23:32:46
○ 2026-09-29 21:16:12
● 2026-10-02 06:39:48
○ 2026-10-09 02:34:48
● 2026-10-22 19:23:06
○ 2026-10-23 08:33:24
● 2026-11-02 01:17:22
● 2026-11-04 01:18:48
●A216.198.79.652026-09-24 → 2026-11-04 · 12 obs
○ 2026-09-25 07:58:32
● 2026-09-26 02:46:28
○ 2026-09-28 23:32:46
● 2026-09-29 21:16:12
○ 2026-10-01 21:41:20
● 2026-10-02 06:39:48
○ 2026-10-09 02:34:48
● 2026-10-10 19:55:42
○ 2026-10-17 21:31:26
● 2026-10-23 08:33:24
● 2026-11-04 01:18:48
○A64.29.17.12026-09-26 → 2026-10-17 · 12 obs
● 2026-09-26 02:46:28
○ 2026-09-28 17:56:34
● 2026-09-28 23:32:46
○ 2026-09-29 21:16:12
● 2026-10-01 21:41:20
○ 2026-10-02 06:39:48
● 2026-10-09 02:34:48
○ 2026-10-10 19:55:42
● 2026-10-17 21:31:26
○ 2026-11-02 01:17:22
○ 2026-11-04 01:18:48
○A64.29.17.652026-09-24 → 2026-10-09 · 9 obs
○ 2026-09-26 02:46:28
● 2026-09-28 17:56:34
○ 2026-09-28 23:32:46
● 2026-09-29 21:16:12
○ 2026-10-02 06:39:48
● 2026-10-09 02:34:48
○ 2026-10-22 19:23:06
○ 2026-11-04 01:18:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, z.nic.study, y.nic.study, x.nic.study... | 12 records |
| classes.study | ns2.vercel-dns.com, ns1.vercel-dns.com | - |
✅ Authoritative Response
Server:198.51.45.13
NS records: ns2.vercel-dns.com, ns1.vercel-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 728ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 64.29.17.65, 216.198.79.65 |
| NS | 2 | ns1.vercel-dns.com, ns2.vercel-dns.com |
| SOA | 1 | ns1.vercel-dns.com hostmaster.nsone.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
IP Addresses
classes.study directs to two IP numbers, 216.198.79.1 and 216.198.79.65
mobividuell-diagnose.ai, youngworld.live, kikluxe.com plus two other host names have IP numbers in common with classes.study.
Name Servers
classes.study has two authoritative name servers — ns1.vercel-dns.com and ns2.vercel-dns.com.
classes.study shares the same name server setup with other domains, for instance clientlane.pro, diadelapaellacaba.com, tutto.chat and two other.
classes.study at least partially shares name servers with other domains, for instance suggestly.ai.
Both ns1.vercel-dns.com and ns2.vercel-dns.com have two IP addresses each. ns1.vercel-dns.com resolves to 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1; ns2.vercel-dns.com resolves to 198.51.45.13 and 2a00:edc0:6259:7:13::2.