engstudy.com - robtex.com
engstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.254.178.231🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.domainca.com ⭐ | ||||||
| A | 20.200.205.248🇰🇷 Microsoft20.192.0.0/10 | ||||||
| NS | ns.domainca.com | ||||||
| A | 43.201.170.100🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com | ||||||
| SOA | ns.domainca.comroot@domainca.com 2026-10-06 #16 | ||||||
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=1794133851 | ||||||
Same first word
engstudy.org |
engstudy.top |
engstudy.org.cn |
engstudy.co.il |
engstudy.pages.dev |
engstudy.ru |
engstudy.com |
engstudy.cn |
Similar names
Previous names
Next names
DNS History
16 records (3 active, 13 former)
●NSns.domainca.com2026-10-31 → 2026-11-08 · 3 obs
● 2026-10-31 16:26:00
● 2026-11-08 11:04:06
○NSns1.afternic.com2026-09-09 → 2026-09-09 · 4 obs
● 2026-09-09 20:33:56
○ 2026-10-31 16:26:00
○ 2026-11-08 11:04:06
○NSns1.parkingcrew.net2016-07-04 → 2017-04-02 · 5 obs
● 2016-07-04 05:50:08
● 2017-04-02 13:35:04
○ 2026-09-09 20:33:56
○ 2026-11-08 11:04:06
○NSns1.sedoparking.com2015-07-02 → 2016-02-22 · 4 obs
● 2016-02-22 20:12:38
○ 2016-07-04 05:50:08
○ 2026-11-08 11:04:06
○NSns2.afternic.com2026-09-09 → 2026-09-09 · 4 obs
● 2026-09-09 20:33:56
○ 2026-10-31 16:26:00
○ 2026-11-08 11:04:06
●NSns2.domainca.com2026-10-31 → 2026-11-08 · 3 obs
● 2026-10-31 16:26:00
● 2026-11-08 11:04:06
○NSns2.parkingcrew.net2016-07-04 → 2017-04-02 · 5 obs
● 2016-07-04 05:50:08
● 2017-04-02 13:35:04
○ 2026-09-09 20:33:56
○ 2026-11-08 11:04:06
○NSns2.sedoparking.com2015-07-02 → 2016-02-22 · 4 obs
● 2016-02-22 20:12:38
○ 2016-07-04 05:50:08
○ 2026-11-08 11:04:06
○MXmail.h-email.net2016-07-04 → 2017-04-02 · 5 obs
● 2016-07-04 05:50:08
● 2017-04-02 13:35:04
○ 2026-09-09 20:33:56
○ 2026-11-08 11:04:06
○MXmail.nickstel.com2015-07-02 → 2016-02-22 · 4 obs
● 2016-02-22 20:12:38
○ 2016-07-04 05:50:08
○ 2026-11-08 11:04:06
●A121.254.178.2312026-10-31 → 2026-11-08 · 3 obs
● 2026-10-31 16:26:00
● 2026-11-08 11:04:06
○A13.248.169.482026-09-09 → 2026-09-09 · 4 obs
● 2026-09-09 20:33:56
○ 2026-10-31 16:26:00
○ 2026-11-08 11:04:06
○A185.53.178.62016-07-04 → 2016-07-04 · 4 obs
● 2016-07-04 05:50:08
○ 2017-04-02 13:35:04
○ 2026-11-08 11:04:06
○A185.53.179.62017-04-02 → 2017-04-02 · 4 obs
● 2017-04-02 13:35:04
○ 2026-09-09 20:33:56
○ 2026-11-08 11:04:06
○A72.52.4.1192015-07-02 → 2016-02-22 · 4 obs
● 2016-02-22 20:12:38
○ 2016-07-04 05:50:08
○ 2026-11-08 11:04:06
○A76.223.54.1462026-09-09 → 2026-09-09 · 4 obs
● 2026-09-09 20:33:56
○ 2026-10-31 16:26:00
○ 2026-11-08 11:04:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| engstudy.com | ns.domainca.com, ns2.domainca.com | 2 records |
✅ Authoritative Response
Server:43.201.170.100
NS records: ns.domainca.com, ns2.domainca.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for engstudy.com (unsigned zone)
⏱️ Timing
Total: 853ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.254.178.231 |
| NS | 2 | ns.domainca.com, ns2.domainca.com |
| SOA | 1 | ns.domainca.com root.domainca.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.domainca.com, ns2.domainca.com)
Analysis
IP Addresses
engstudy.com points to a single IP number: 121.254.178.231.
Additional host names — iberg.com, mail.kimtaxi.com, ddset.com and two others — share IP numbers with engstudy.com.
Name Servers
engstudy.com uses two name servers for its delegation: ns2.domainca.com and ns.domainca.com.
engstudy.com shares its name server setup with other domains, including handart.com, friendfox.com, nbusiness.com and two others.
ns2.domainca.com resolves to 20.200.205.248. ns.domainca.com resolves to 43.201.170.100. Both host names point to a single IP number.