semstudy.com - robtex.com
semstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 164.152.28.181🇺🇸 ORACLE-OCI-31898164.152.16.0/20 Oracle Corporation | ||||||
| NS | ns1.sav.com ⚠️ Not in zone NS records | ||||||
| A | 64.181.207.95🇺🇸 ORACLE-OCI-3189864.181.192.0/19 Oracle Corporation | ||||||
| NS | ns2.sav.com ⚠️ Not in zone NS records | ||||||
| A | 64.181.207.95🇺🇸 ORACLE-OCI-3189864.181.192.0/19 Oracle Corporation | ||||||
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=1778382531 | ||||||
Previously MX for
semstudy.com |
Same first word
Similar names
DNS History
15 records (3 active, 12 former)
○NSdns1.zgsj.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-03-22 00:12:10
○ 2026-05-10 03:10:12
○NSdns2.zgsj.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-03-22 00:12:10
○ 2026-05-10 03:10:12
○NSns1.hostelevator.net2015-10-21 → 2018-11-30 · 5 obs
● 2015-10-21 08:46:28
● 2018-11-30 16:01:16
○ 2026-02-21 19:07:50
○ 2026-05-10 03:10:12
●NSns1.sav.com2026-02-21 → 2026-05-10 · 3 obs
● 2026-02-21 19:07:50
● 2026-05-10 03:10:12
○NSns2.hostelevator.net2015-10-21 → 2018-11-30 · 5 obs
● 2015-10-21 08:46:28
● 2018-11-30 16:01:16
○ 2026-02-21 19:07:50
○ 2026-05-10 03:10:12
●NSns2.sav.com2026-02-21 → 2026-05-10 · 3 obs
● 2026-02-21 19:07:50
● 2026-05-10 03:10:12
○NSns43.domaincontrol.com2015-03-22 → 2015-03-22 · 4 obs
● 2015-03-22 00:12:10
○ 2015-10-21 08:46:28
○ 2026-05-10 03:10:12
○NSns44.domaincontrol.com2015-03-22 → 2015-03-22 · 4 obs
● 2015-03-22 00:12:10
○ 2015-10-21 08:46:28
○ 2026-05-10 03:10:12
○MXmailstore1.secureserver.net2015-03-22 → 2015-03-22 · 4 obs
● 2015-03-22 00:12:10
○ 2015-10-21 08:46:28
○ 2026-05-10 03:10:12
○MXsemstudy.com2015-10-21 → 2018-11-30 · 5 obs
● 2015-10-21 08:46:28
● 2018-11-30 16:01:16
○ 2026-02-21 19:07:50
○ 2026-05-10 03:10:12
○MXsmtp.secureserver.net2015-03-22 → 2015-03-22 · 4 obs
● 2015-03-22 00:12:10
○ 2015-10-21 08:46:28
○ 2026-05-10 03:10:12
○A104.152.110.2102018-11-30 → 2018-11-30 · 4 obs
● 2018-11-30 16:01:16
○ 2026-02-21 19:07:50
○ 2026-05-10 03:10:12
●A164.152.28.1812026-02-21 → 2026-05-10 · 15 obs
● 2026-02-21 19:07:50
○ 2026-02-22 11:48:10
○ 2026-02-24 15:48:34
● 2026-03-05 02:51:32
● 2026-03-16 06:31:50
○ 2026-03-18 02:30:40
● 2026-03-18 07:49:54
● 2026-04-10 09:42:04
○ 2026-04-12 13:20:34
● 2026-04-16 20:50:58
● 2026-04-25 05:50:34
○ 2026-04-25 15:06:28
● 2026-04-28 01:12:46
● 2026-05-10 03:10:12
○A184.168.221.392015-03-22 → 2015-03-22 · 4 obs
● 2015-03-22 00:12:10
○ 2015-10-21 08:46:28
○ 2026-05-10 03:10:12
○A216.172.183.572015-10-21 → 2017-02-09 · 5 obs
● 2015-10-21 08:46:28
● 2017-02-09 15:42:44
○ 2018-11-30 16:01:16
○ 2026-05-10 03:10:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| semstudy.com | ns1.sav.com, ns2.sav.com | 2 records |
✅ Authoritative Response
Server:64.181.207.95
NS records: ns1.sav.com, ns2.sav.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for semstudy.com (unsigned zone)
⏱️ Timing
Total: 407ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 164.152.28.181 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.sav.com, ns2.sav.com)
Analysis
IP Addresses
semstudy.com resolves to a single IP address: 164.152.28.181.
Other host names including mx.mx.vrsic.com, airfarequest.com, mail.nigertours.com, hopeim.com and webguiden.net share IP numbers with semstudy.com.
Name Servers
semstudy.com's delegation uses two name servers, ns1.sav.com and ns2.sav.com.
semstudy.com shares the same name server setup as other domains, for example csemobile.com, rangpuronline.com, highforms.com, stauer.net and sanitoria.com.
semstudy.com partially shares its name servers with other domains, for example (0x736578)on.net and xn--prisfrfrgan-48a1t.com.
These name servers are often used together with verification-5hiqlmuwmazypkeq9wk85z.ns101.verify.hn.
Host names with a single IP:
- ns1.sav.com points to 64.181.207.95
- ns2.sav.com points to 64.181.207.95
Host names that point to 64.181.207.95: ns1.sav.com and ns2.sav.com