study-share.com - robtex.com

study-share.com

DNSSEC⚠️ Not signed
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
PTRip-76-76-21-21.defastlink.net
NSdns1.p01.nsone.net ⭐
A2620:4d:4000:6259:7:1:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p01.nsone.net
A198.51.44.1🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p01.nsone.net
NSdns1.p02.nsone.net
A2620:4d:4000:6259:7:2:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p02.nsone.net
A198.51.44.2🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p02.nsone.net
NSdns2.p02.nsone.net
A2a00:edc0:6259:7:2::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p02.nsone.net
A198.51.45.2🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p02.nsone.net
NSdns3.p02.nsone.net
A2620:4d:4000:6259:7:2:0:3🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns3.p02.nsone.net
A198.51.44.66🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns3.p02.nsone.net
NSdns4.p02.nsone.net
A2a00:edc0:6259:7:2::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p02.nsone.net
A198.51.45.66🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns4.p02.nsone.net
MXmx2.zoho.eu ⭐
A185.230.214.166🇳🇱 ZOHO-EU185.230.214.0/23
PTRmx2.zoho.eu
PTRmx3.zoho.eu
PTRmx.zoho.eu
MXmx3.zoho.eu(20)
A185.230.212.166🇳🇱 ZOHO-EU185.230.212.0/23
PTRmx2.zoho.eu
PTRmx3.zoho.eu
PTRmx.zoho.eu
MXmx.zoho.eu(50)
A185.230.212.166🇳🇱 ZOHO-EU185.230.212.0/23
PTRmx2.zoho.eu
PTRmx3.zoho.eu
PTRmx.zoho.eu
A185.230.214.166🇳🇱 ZOHO-EU185.230.214.0/23
PTRmx2.zoho.eu
PTRmx3.zoho.eu
PTRmx.zoho.eu
TXTv=spf1 include:zohomail.eu ~all
TXTgoogle-site-verification=wQPUF3jaas3G6zTnQ-3_1DWRU1R12-NZ98eNWpLTeQs
SOAdns1.p01.nsone.netdomains+netlify@netlify.com serial=1735730745

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
🔒 HSTS Preload (+subdomains)

Same first word

study-share.com

DNS History

20 records (9 active, 11 former)

20192020202120222023202420252026NSdns1.p01.nsone.netdns1.p02.nsone.netdns2.p02.nsone.netdns3.p02.nsone.netdns4.p02.nsone.netns59.domaincontrol.comns60.domaincontrol.comMXmx.zoho.eumx2.zoho.eumx3.zoho.euA76.76.21.21184.168.221.38184.168.221.42184.168.221.45184.168.221.48184.168.221.56184.168.221.5950.63.202.3350.63.202.4650.63.202.48
●NSdns1.p01.nsone.net2026-03-19 → 2026-03-23 · 3 obs
○ 2018-05-12 20:48:50
● 2026-03-19 00:39:30
● 2026-03-23 20:46:46
●NSdns1.p02.nsone.net2026-03-19 → 2026-03-23 · 3 obs
○ 2018-05-12 20:48:50
● 2026-03-19 00:39:30
● 2026-03-23 20:46:46
●NSdns2.p02.nsone.net2026-03-19 → 2026-03-23 · 3 obs
○ 2018-05-12 20:48:50
● 2026-03-19 00:39:30
● 2026-03-23 20:46:46
●NSdns3.p02.nsone.net2026-03-19 → 2026-03-23 · 3 obs
○ 2018-05-12 20:48:50
● 2026-03-19 00:39:30
● 2026-03-23 20:46:46
●NSdns4.p02.nsone.net2026-03-19 → 2026-03-23 · 3 obs
○ 2018-05-12 20:48:50
● 2026-03-19 00:39:30
● 2026-03-23 20:46:46
○NSns59.domaincontrol.com2018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
○NSns60.domaincontrol.com2018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
●MXmx.zoho.eu2026-03-19 → 2026-03-23 · 2 obs
● 2026-03-19 00:39:30
● 2026-03-23 20:46:46
●MXmx2.zoho.eu2026-03-19 → 2026-03-23 · 2 obs
● 2026-03-19 00:39:30
● 2026-03-23 20:46:46
●MXmx3.zoho.eu2026-03-19 → 2026-03-23 · 2 obs
● 2026-03-19 00:39:30
● 2026-03-23 20:46:46
○A184.168.221.382018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
○A184.168.221.422018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
○A184.168.221.452018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
○A184.168.221.482018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
○A184.168.221.562018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
○A184.168.221.592018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
○A50.63.202.332018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
○A50.63.202.462018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
○A50.63.202.482018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 20:48:50
○ 2026-03-19 00:39:30
○ 2026-03-23 20:46:46
●A76.76.21.212026-03-19 → 2026-03-23 · 3 obs
○ 2018-05-12 20:48:50
● 2026-03-19 00:39:30
● 2026-03-23 20:46:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...-
study-share.comdns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net, dns4.p02.nsone.net-

✅ Authoritative Response

Server:198.51.44.2

NS records: dns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net, dns4.p02.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study-share.com (unsigned zone)

⏱️ Timing

Total: 696ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.21
NS4dns1.p02.nsone.net, dns2.p02.nsone.net...
MX3mx3.zoho.eu (pri: 50), mx2.zoho.eu (pri: 20)...
TXT2v=spf1 include:zohomail.eu ~all, google-site-verification=wQPUF3jaas3G6zT
SOA1dns1.p01.nsone.net domains+netlify.netli

Analysis

IP Addresses

study-share.com points to IP number 76.76.21.21.

For instance, other host names kalukids.com.br, realtimes.co, querybay.com, abdola.me and surfblend.nl share IP numbers with study-share.com.

Name Servers

study-share.com is delegated to five name servers: dns1.p01.nsone.net, dns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net and dns4.p02.nsone.net.

study-share.com shares name servers with other domains at least partially, for example caterpillaruseddieselengines.com, onedayacuvuemoist.fi, thedelvogroup.org, bornemann-ru.com and thejockeyclubwv.com.

these name servers are often used with the following: ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, connect1.squarespacedns.com, connect2.squarespacedns.com and ns13.jimdo.com.

Host names with two IP numbers:

dns1.p01.nsone.net points to 2620:4d:4000:6259:7:1:0:1 and 198.51.44.1

dns1.p02.nsone.net points to 2620:4d:4000:6259:7:2:0:1 and 198.51.44.2

dns2.p02.nsone.net points to 2a00:edc0:6259:7:2::2 and 198.51.45.2

dns3.p02.nsone.net points to 2620:4d:4000:6259:7:2:0:3 and 198.51.44.66

dns4.p02.nsone.net points to 2a00:edc0:6259:7:2::4 and 198.51.45.66

Mail Servers

study-share.com is served by three mail servers: mx2.zoho.eu, mx3.zoho.eu and mx.zoho.eu.

study-share.com shares mail servers with other domains at least partially; for instance bliskapoczta.pl, kissthedesigner.gr, eboat.ro, officialdtune.com and thomasmeigen.de.

Two IP hostnames:

mx.zoho.eu points to 185.230.212.166 and 185.230.214.166.

One IP hostnames:

mx2.zoho.eu points to 185.230.214.166.

mx3.zoho.eu points to 185.230.212.166.

Hostnames pointing to 185.230.212.166: mx.zoho.eu and mx3.zoho.eu.

Hostnames pointing to 185.230.214.166: mx.zoho.eu and mx2.zoho.eu.