studyhubs.com - robtex.com

studyhubs.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
A2600:1f18:683a:ae1a:f77:89a0:bb92:5271🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:d400:3079:62a0:131f🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:5baf:bb2e:3a49:1c72🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A54.81.154.240🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix
PTRec2-54-81-154-240.compute-1.amazonaws.com
A54.159.91.195🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix
PTRec2-54-159-91-195.compute-1.amazonaws.com
NSnsg1.namebrightdns.com
A2600:1f18:683a:ae1a:6d5b:7ab3:7079:ee9🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:894e:779f:a1ca:3cf5🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:9806:d504:f0e4:26c🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A34.203.199.171🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
PTRec2-34-203-199-171.compute-1.amazonaws.com
A44.220.149.224🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-220-149-224.compute-1.amazonaws.com
A54.88.138.42🇺🇸 Amazon54.88.0.0/16 EC2 IAD VPC prefix
PTRec2-54-88-138-42.compute-1.amazonaws.com
A54.221.27.162🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix
PTRec2-54-221-27-162.compute-1.amazonaws.com
A98.81.135.11🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix
PTRec2-98-81-135-11.compute-1.amazonaws.com
NSnsg2.namebrightdns.com
A2600:1f18:683a:ae1a:312d:ded2:48d4:bc36🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:64a5:37d1:15e1:d5ca🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:7cf8:858c:35b2:fd54🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:d886:b5ba:8512:894🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.85.217.230🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-85-217-230.compute-1.amazonaws.com
A3.89.209.21🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-89-209-21.compute-1.amazonaws.com
A34.204.78.24🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
PTRec2-34-204-78-24.compute-1.amazonaws.com
A54.224.194.88🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix
PTRec2-54-224-194-88.compute-1.amazonaws.com
A100.27.186.47🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix
PTRec2-100-27-186-47.compute-1.amazonaws.com
TXTv=spf1 -all
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
SOAns1.namebrightdns.comdns@namebright.com 2026-03-27 #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=1774627822

Same first word

studyhubs.com

DNS History

11 records (7 active, 4 former)

2017201820192020202120222023202420252026NSns1.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comns1.digitalthinkhost.comns2.digitalthinkhost.comMXmail.studyhubs.comA13.223.25.842600:1f18:4ae:c605:dd5d:b838:5816:d7fb2600:1f18:4ae:c606:78d4:4260:db4e:aeee54.243.117.19727.254.96.155
○NSns1.digitalthinkhost.com2016-12-14 → 2016-12-14 · 2 obs
● 2016-12-14 05:23:28
○ 2026-03-27 16:25:52
●NSns1.namebrightdns.com2026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-14 05:23:28
● 2026-03-27 16:25:52
○NSns2.digitalthinkhost.com2016-12-14 → 2016-12-14 · 2 obs
● 2016-12-14 05:23:28
○ 2026-03-27 16:25:52
●NSnsg1.namebrightdns.com2026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-14 05:23:28
● 2026-03-27 16:25:52
●NSnsg2.namebrightdns.com2026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-14 05:23:28
● 2026-03-27 16:25:52
○MXmail.studyhubs.com2016-12-14 → 2016-12-14 · 2 obs
● 2016-12-14 05:23:28
○ 2026-03-27 16:25:52
●A13.223.25.842026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-14 05:23:28
● 2026-03-27 16:25:52
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-14 05:23:28
● 2026-03-27 16:25:52
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-14 05:23:28
● 2026-03-27 16:25:52
○A27.254.96.1552016-12-14 → 2016-12-14 · 2 obs
● 2016-12-14 05:23:28
○ 2026-03-27 16:25:52
●A54.243.117.1972026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-14 05:23:28
● 2026-03-27 16:25:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
studyhubs.comnsg1.namebrightdns.com, nsg2.namebrightdns.com20 records

✅ Authoritative Response

Server:3.85.217.230

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyhubs.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

TypeCountSample Data
A213.223.25.84, 54.243.117.197
AAAA22600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb
NS2nsg1.namebrightdns.com, nsg2.namebrightdns.com
TXT2afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all
SOA1ns1.namebrightdns.com dns.namebright.com

📌 Glue Records Collected

Total: 20

Out-of-bailiwick: 20 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

studyhubs.com maps to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

Other host names, for instance in4q.com, imestudio.com, 9187x.com, zipgt.com and pdrpa.com share IP numbers with studyhubs.com.

Name Servers

studyhubs.com is delegated to name servers ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

studyhubs.com at least partially shares name servers with other domains such as silverstarcare.com, forexexpo.com, ganati.com, ns2.leadingtalk.com and hifiinc.com.

these name servers are commonly used alongside the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com, expired1.namebrightdns.com and expired2.namebrightdns.com.

Host names with ten IP numbers:

nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:6d5b:7ab3:7079:ee9, 2600:1f18:683a:ae1a:894e:779f:a1ca:3cf5, 2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a, 2600:1f18:683a:ae1b:9806:d504:f0e4:26c, 2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61, 34.203.199.171, 44.220.149.224, 54.88.138.42, 54.221.27.162 and 98.81.135.11.

nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:312d:ded2:48d4:bc36, 2600:1f18:683a:ae1a:64a5:37d1:15e1:d5ca, 2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7, 2600:1f18:683a:ae1b:7cf8:858c:35b2:fd54, 2600:1f18:683a:ae1b:d886:b5ba:8512:894, 3.85.217.230, 3.89.209.21, 34.204.78.24, 54.224.194.88 and 100.27.186.47.

Host names with five IP numbers:

ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:f77:89a0:bb92:5271, 2600:1f18:683a:ae1a:d400:3079:62a0:131f, 2600:1f18:683a:ae1b:5baf:bb2e:3a49:1c72, 54.81.154.240 and 54.159.91.195.

Pattern: IPs progress in steps of 3.