star.study - dns.ninja
star.study
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=1781176691 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSluke.ns.cloudflare.com2026-03-31 → 2026-06-11 · 2 obs
● 2026-06-11 12:15:54
●NSullis.ns.cloudflare.com2026-03-31 → 2026-06-11 · 2 obs
● 2026-06-11 12:15:54
●MXsmtp.google.com2026-03-31 → 2026-06-11 · 2 obs
● 2026-06-11 12:15:54
●A104.21.20.2082026-03-31 → 2026-06-11 · 2 obs
● 2026-06-11 12:15:54
●A172.67.194.1052026-03-31 → 2026-06-11 · 2 obs
● 2026-06-11 12:15:54
●A2606:4700:3037::6815:14d02026-03-31 → 2026-06-11 · 2 obs
● 2026-06-11 12:15:54
●A2606:4700:3037::ac43:c2692026-03-31 → 2026-06-11 · 2 obs
● 2026-06-11 12:15:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| star.study | luke.ns.cloudflare.com, ullis.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.200
NS records: luke.ns.cloudflare.com, ullis.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for star.study (unsigned zone)
⏱️ Timing
Total: 938ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.20.208, 172.67.194.105 |
| AAAA | 2 | 2606:4700:3037::ac43:c269, 2606:4700:3037::6815:14d0 |
| NS | 2 | luke.ns.cloudflare.com, ullis.ns.cloudflare.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 1 | google-site-verification=SBMh_h5JAqq-rxQ |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | luke.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
IP Addresses
star.study points to four IP numbers: 104.21.20.208, 172.67.194.105, 2606:4700:3037::6815:14d0 and 2606:4700:3037::ac43:c269.
greenridge.ca, nachoicecream.com, br-performance.gy and two other host names share IP numbers with star.study.
Name Servers
star.study uses two name servers for its delegation: luke.ns.cloudflare.com and ullis.ns.cloudflare.com.
star.study uses the same name servers as several other domains — among them bihamk.ba, sarajevo.travel, een.ba and two more.
There is at least partial name server overlap between star.study and other domains — hstuning.com, shipcmi.com, mjmaccountants.com.au and two more among them.
These name servers are routinely deployed together with the name servers kate.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
Hostname luke.ns.cloudflare.com directs to 108.162.193.200, 172.64.33.200 and 173.245.59.200 along with 3 other IP addresses.
Hostname ullis.ns.cloudflare.com directs to 108.162.194.127, 162.159.38.127 and 172.64.34.127 along with 3 other IP addresses.
Mail Servers
Mail for star.study is handled by a single mail server, smtp.google.com.
star.study uses an identical mail server configuration to several other domains — among them qsb.it, kanda-law.net, mx.gentis.it and two more.
star.study and other domains — socedoagency.com for instance — share at least some mail servers.
smtp.google.com resolves to 9 IP addresses — 172.253.62.27, 172.253.115.26, 172.253.115.27 and 6 others.