4study.com - robtex.com

4study.com

DNSSEC⚠️ Not signed
A15.157.18.12🇨🇦 Amazon15.156.0.0/15 EC2 YUL prefix
PTRec2-15-157-18-12.ca-central-1.compute.amazonaws.com
A15.223.160.171🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix
NSip-172-26-1-146.us-east-2.compute.internal ⭐ 🔒
NSns1.power-dns.com
A13.58.50.225🇺🇸 Amazon13.58.0.0/15 EC2 CMH prefix
PTRec2-13-58-50-225.us-east-2.compute.amazonaws.com
NSns2.power-dns.com
A188.166.142.159🇳🇱 DIGITALOCEAN188.166.140.0/22 DigitalOcean
PTRip-188-166-142-159.defastlink.net
NSns3.power-dns.com
A139.59.220.175🇸🇬 DIGITALOCEAN139.59.220.0/22 DigitalOcean
PTRip-139-59-220-175.defastlink.net
MXmx1.ewebdevelopment.com ⭐
A159.203.54.48🇨🇦 DIGITALOCEAN159.203.52.0/22 DigitalOcean
PTRip-159-203-54-48.defastlink.net
MXmx2.ewebdevelopment.com(5)
A188.166.142.73🇳🇱 DIGITALOCEAN188.166.140.0/22 DigitalOcean
PTRip-188-166-142-73.defastlink.net
TXT934c3bfaa10e7d053ed251a82e3f4a82d19da885
TXTv=spf1 include:u2069692.wl.sendgrid.net -all
TXT91f786e2661531d62a5e4bf8dc941c30c7391ed6
TXTafternic-verification-VKoxaZkQawZ8VVht35n43c
SOAip-172-26-1-146.us-east-2.compute.internalhostmaster@power-dns.com 2025-01-15 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

4study.de
4study.nl
4study.pro
4study.com
4study.cn
4study.ir

Similar names

study4.com
study4.me
study4.net
study4.tw
study4.fun

DNS History

17 records (8 active, 9 former)

20162017201820192020202120222023202420252026NSip-172-26-1-146.us-east-2.compute.internalns1.power-dns.comns2.power-dns.comns3.power-dns.comamsterdam.power-dns.comsingapore.power-dns.comMXmx1.ewebdevelopment.commx2.ewebdevelopment.commail.dovemail.comA15.157.18.1215.223.160.17115.222.147.11416.52.254.1174.36.107.130174.37.172.16235.182.106.17635.182.85.144
○NSamsterdam.power-dns.com2017-09-03 → 2017-09-03 · 3 obs
○ 2016-12-07 12:54:42
● 2017-09-03 02:06:36
○ 2026-02-26 07:46:48
●NSip-172-26-1-146.us-east-2.compute.internal2026-02-26 → 2026-02-26 · 2 obs
○ 2017-09-03 02:06:36
● 2026-02-26 07:46:48
●NSns1.power-dns.com2015-06-10 → 2026-02-26 · 7 obs
● 2015-06-10 13:15:16
○ 2015-10-25 17:47:34
○ 2016-01-24 19:45:22
● 2016-04-23 00:32:54
○ 2016-12-07 12:54:42
● 2017-09-03 02:06:36
● 2026-02-26 07:46:48
●NSns2.power-dns.com2015-06-10 → 2026-02-26 · 5 obs
● 2015-06-10 13:15:16
● 2016-01-24 19:45:22
○ 2016-04-23 00:32:54
● 2016-12-07 12:54:42
● 2026-02-26 07:46:48
●NSns3.power-dns.com2026-02-26 → 2026-02-26 · 2 obs
○ 2017-09-03 02:06:36
● 2026-02-26 07:46:48
○NSsingapore.power-dns.com2026-02-26 → 2026-02-26 · 1 obs
○ 2026-02-26 07:46:48
○MXmail.dovemail.com2015-06-10 → 2016-12-07 · 4 obs
● 2015-06-10 13:15:16
● 2016-12-07 12:54:42
○ 2017-09-03 02:06:36
○ 2026-02-26 07:46:48
●MXmx1.ewebdevelopment.com2017-09-03 → 2026-02-26 · 3 obs
○ 2016-12-07 12:54:42
● 2017-09-03 02:06:36
● 2026-02-26 07:46:48
●MXmx2.ewebdevelopment.com2017-09-03 → 2026-02-26 · 3 obs
○ 2016-12-07 12:54:42
● 2017-09-03 02:06:36
● 2026-02-26 07:46:48
●A15.157.18.122026-02-26 → 2026-02-26 · 2 obs
○ 2017-09-03 02:06:36
● 2026-02-26 07:46:48
○A15.222.147.1142026-02-26 → 2026-02-26 · 1 obs
○ 2026-02-26 07:46:48
●A15.223.160.1712026-02-26 → 2026-02-26 · 2 obs
○ 2017-09-03 02:06:36
● 2026-02-26 07:46:48
○A16.52.254.12026-02-26 → 2026-02-26 · 1 obs
○ 2026-02-26 07:46:48
○A174.36.107.1302015-06-10 → 2016-04-23 · 4 obs
● 2015-06-10 13:15:16
● 2016-04-23 00:32:54
○ 2016-12-07 12:54:42
○ 2026-02-26 07:46:48
○A174.37.172.1622015-06-10 → 2016-12-07 · 6 obs
● 2015-06-10 13:15:16
○ 2015-10-25 17:47:34
○ 2016-04-23 00:32:54
● 2016-12-07 12:54:42
○ 2017-09-03 02:06:36
○ 2026-02-26 07:46:48
○A35.182.106.1762017-09-03 → 2017-09-03 · 3 obs
○ 2016-12-07 12:54:42
● 2017-09-03 02:06:36
○ 2026-02-26 07:46:48
○A35.182.85.1442017-09-03 → 2017-09-03 · 3 obs
○ 2016-12-07 12:54:42
● 2017-09-03 02:06:36
○ 2026-02-26 07:46:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
4study.comns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com-

✅ Authoritative Response

Server: 188.166.142.159

NS records: ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4study.com (unsigned zone)

⏱️ Timing

Total: 384ms | Queries: -

📄 Records

TypeCountSample Data
A215.157.18.12, 15.223.160.171
NS3ns2.power-dns.com, ns3.power-dns.com...
MX2mx2.ewebdevelopment.com (pri: 5), mx1.ewebdevelopment.com (pri: 1)
TXT4afternic-verification-VKoxaZkQawZ8VVht35, 934c3bfaa10e7d053ed251a82e3f4a82d19da885...
SOA1amsterdam.power-dns.com hostmaster.power

AI analysis

4study.com resolves to two IP numbers: 15.157.18.12 and 15.223.160.171.

Other host names, for instance myonlineserver.com, terias.com, financecost.com, mail.turema.com and dss-security.com share IP numbers with 4study.com.

4study.com is delegated to four name servers: ns1.power-dns.com, ns2.power-dns.com, ns3.power-dns.com and ip-172-26-1-146.us-east-2.compute.internal.

4study.com shares some name servers with other domains, for example cam-star.com, cd-s.com, cgamer.com, pc-review.com and 5starcleaning.com.

These name servers are commonly used together with singapore.power-dns.com and amsterdam.power-dns.com.

Host names with a single IP: ns1.power-dns.com points to 13.58.50.225; ns2.power-dns.com points to 188.166.142.159; ns3.power-dns.com points to 139.59.220.175.

4study.com is served by two mail servers: mx1.ewebdevelopment.com and mx2.ewebdevelopment.com.

4study.com shares the mail server setup with other domains, for example paxino.com, rattier.com, dirzi.com, pet-star.com and terraopus.com.

Host names with a single IP:

mx1.ewebdevelopment.com points to 159.203.54.48

mx2.ewebdevelopment.com points to 188.166.142.73