classstudy.com - robtex.com
classstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 159.89.185.109🇺🇸 DIGITALOCEAN159.89.176.0/20 DigitalOcean | ||||||
| NS | dns1.registrar-servers.com ⭐ | ||||||
| A | 2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| A | 156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| NS | dns2.registrar-servers.com | ||||||
| A | 2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| A | 156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1573438318 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1790477819 | ||||||
Same first word
classstudy.com |
classstudy.team |
Similar names
studyclass.ir |
studyclass.com |
studyclass.in |
studyclass.be |
studyclass.me |
studyclass.co |
studyclass.workers.dev |
Previous names
Next names
DNS History
9 records (3 active, 6 former)
●NSdns1.registrar-servers.com2015-08-22 → 2026-09-27 · 3 obs
● 2015-08-22 03:13:32
● 2026-09-27 03:03:58
●NSdns2.registrar-servers.com2015-08-22 → 2026-09-27 · 3 obs
● 2015-08-22 03:13:32
● 2026-09-27 03:03:58
○NSdns3.registrar-servers.com2015-08-22 → 2017-05-26 · 5 obs
● 2015-08-22 03:13:32
● 2017-05-26 11:54:14
○ 2020-11-18 01:19:16
○ 2026-09-27 03:03:58
○NSdns4.registrar-servers.com2015-08-22 → 2017-05-26 · 5 obs
● 2015-08-22 03:13:32
● 2017-05-26 11:54:14
○ 2020-11-18 01:19:16
○ 2026-09-27 03:03:58
○NSdns5.registrar-servers.com2015-08-22 → 2017-05-26 · 5 obs
● 2015-08-22 03:13:32
● 2017-05-26 11:54:14
○ 2020-11-18 01:19:16
○ 2026-09-27 03:03:58
○A108.161.135.2162016-03-17 → 2017-05-26 · 5 obs
● 2016-03-17 13:59:58
● 2017-05-26 11:54:14
○ 2020-11-18 01:19:16
○ 2026-09-27 03:03:58
○A15.126.223.1002015-08-22 → 2015-12-11 · 5 obs
● 2015-08-22 03:13:32
● 2015-12-11 22:16:30
○ 2016-03-17 13:59:58
○ 2026-09-27 03:03:58
●A159.89.185.1092020-11-18 → 2026-09-27 · 3 obs
● 2020-11-18 01:19:16
● 2026-09-27 03:03:58
○CNAMEpark.funnel.revenuedirect.com.akadns.net2008-03-15 → 2008-03-15 · 3 obs
○ 2015-08-22 03:13:32
○ 2026-09-27 03:03:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net... | - |
| classstudy.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classstudy.com (unsigned zone)
⏱️ Timing
Total: 642ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.89.185.109 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
IP Addresses
classstudy.com resolves to one IP address: 159.89.185.109.
historyofbitcoins.com, anxietyandself.com, wormic.com and two other host names share IP numbers with classstudy.com.
Name Servers
classstudy.com has two authoritative name servers — dns1.registrar-servers.com and dns2.registrar-servers.com.
classstudy.com uses the same name servers as several other domains — among them alnassrdhs.site, girlfriendxp.com, mlsfi.com and two more.
Both dns1.registrar-servers.com and dns2.registrar-servers.com have two IP addresses each. dns1.registrar-servers.com resolves to 156.154.132.200 and 2610:a1:1024::200; dns2.registrar-servers.com resolves to 156.154.133.200 and 2610:a1:1025::200.