com.study - robtex.com
com.study
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-103.awsdns-12.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5300:6700::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-103.awsdns-12.com | ||||||
| A | 205.251.192.103🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-103.awsdns-12.com | ||||||
| NS | ns-1399.awsdns-46.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5305:7700::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1399.awsdns-46.org | ||||||
| A | 205.251.197.119🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1399.awsdns-46.org | ||||||
| NS | ns-1811.awsdns-34.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5307:1300::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1811.awsdns-34.co.uk | ||||||
| A | 205.251.199.19🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1811.awsdns-34.co.uk | ||||||
| NS | ns-862.awsdns-43.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:5e00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-862.awsdns-43.net | ||||||
| A | 205.251.195.94🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-862.awsdns-43.net | ||||||
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=1786364073 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSns-103.awsdns-12.com2026-02-15 → 2026-08-10 · 3 obs
● 2026-02-15 09:32:52
● 2026-08-10 13:16:36
●NSns-1399.awsdns-46.org2026-02-15 → 2026-08-10 · 3 obs
● 2026-02-15 09:32:52
● 2026-08-10 13:16:36
●NSns-1811.awsdns-34.co.uk2026-02-15 → 2026-08-10 · 3 obs
● 2026-02-15 09:32:52
● 2026-08-10 13:16:36
●NSns-862.awsdns-43.net2026-02-15 → 2026-08-10 · 3 obs
● 2026-02-15 09:32:52
● 2026-08-10 13:16:36
○NSns1fkl.name.com2016-04-03 → 2016-07-11 · 4 obs
● 2016-07-11 23:38:36
○ 2026-02-15 09:32:52
○ 2026-08-10 13:16:36
○NSns2nsy.name.com2016-04-03 → 2016-07-11 · 4 obs
● 2016-07-11 23:38:36
○ 2026-02-15 09:32:52
○ 2026-08-10 13:16:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | c.nic.study, a.nic.study, y.nic.study, z.nic.study... | 12 records |
| com.study | ns-103.awsdns-12.com, ns-1811.awsdns-34.co.uk, ns-1399.awsdns-46.org, ns-862.awsdns-43.net | - |
✅ Authoritative Response
Server:205.251.192.103
NS records: ns-103.awsdns-12.com, ns-1811.awsdns-34.co.uk, ns-1399.awsdns-46.org, ns-862.awsdns-43.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.study (unsigned zone)
⏱️ Timing
Total: 564ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
Name Servers
The domain com.study is delegated to these four name servers: ns-103.awsdns-12.com, ns-862.awsdns-43.net, ns-1399.awsdns-46.org and ns-1811.awsdns-34.co.uk.
com.study has at least partial name server overlap with other domains, such as lipscombfiat.co.uk, visagio.com, bloomson9th.ca and two others.
These name servers tend to appear together with the name servers ns-127.awsdns-15.com, ns-1002.awsdns-61.net and ns-1975.awsdns-54.co.uk.
ns-103.awsdns-12.com, ns-862.awsdns-43.net, ns-1399.awsdns-46.org and ns-1811.awsdns-34.co.uk all point to exactly two IP numbers each: ns-103.awsdns-12.com → 205.251.192.103 and 2600:9000:5300:6700::1; ns-862.awsdns-43.net → 205.251.195.94 and 2600:9000:5303:5e00::1; ns-1399.awsdns-46.org → 205.251.197.119 and 2600:9000:5305:7700::1; ns-1811.awsdns-34.co.uk → 205.251.199.19 and 2600:9000:5307:1300::1.