coreresearchgroup.com - robtex.com

coreresearchgroup.com

DNSSEC⚠️ Not signed
A3.136.54.21🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix
PTRec2-3-136-54-21.us-east-2.compute.amazonaws.com
NSns0.dnsmadeeasy.com ⭐
A2600:1800::1🇺🇸 Tiggee2600:1800::/48 DNS Made Easy anycast network
PTRns0.dnsmadeeasy.com
A208.94.148.2🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network
PTRns0.dnsmadeeasy.com
NSns0.xstragroup.com
A208.94.148.2🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network
PTRns0.dnsmadeeasy.com
NSns1.xstragroup.com
A208.80.124.2🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network
PTRns1.dnsmadeeasy.com
NSns2.xstragroup.com
A208.80.126.2🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network
PTRns2.dnsmadeeasy.com
NSns3.xstragroup.com
A208.80.125.2🇺🇸 Tiggee208.80.125.0/24 DNS Made Easy anycast network
PTRns3.dnsmadeeasy.com
NSns4.xstragroup.com
A208.80.127.2🇺🇸 Tiggee208.80.127.0/24 DNS Made Easy anycast network
PTRns4.dnsmadeeasy.com
MXcoreresearchgroup-com.mail.protection.outlook.com ⭐
A2a01:111:f403:cc31::🇦🇺 Microsoft2a01:111:f000::/36
PTRmail-sy2pr01cu00300.inbound.protection.outlook.com
A2a01:111:f403:cc31::1🇦🇺 Microsoft2a01:111:f000::/36
PTRmail-sy8pr01cu00101.inbound.protection.outlook.com
A2a01:111:f403:cc31::2🇦🇺 Microsoft2a01:111:f000::/36
PTRmail-sy5pr01cu00902.inbound.protection.outlook.com
A2a01:111:f403:cc33::1🇦🇺 Microsoft2a01:111:f000::/36
PTRmail-meupr01cu00301.inbound.protection.outlook.com
A52.101.149.0🇦🇺 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sy2pr01cu00300.inbound.protection.outlook.com
A52.101.149.2🇦🇺 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sy5pr01cu00902.inbound.protection.outlook.com
A52.101.149.9🇦🇺 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sy2pr01cu00501.inbound.protection.outlook.com
A52.101.151.0🇦🇺 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-meupr01cu00200.inbound.protection.outlook.com
TXTMS=ms62198377
TXTv=spf1 include:spf.protection.outlook.com a mx include:relay.mailchannels.net...
SOAns0.dnsmadeeasy.comdns@dnsmadeeasy.com 2008-01-01 #37

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=1774852597
WOT: SUSPICIOUS (60/100)

Subdomains

mail.coreresearchgroup.com

Same first word

coreresearchgroup.com

DNS History

12 records (8 active, 4 former)

20162017201820192020202120222023202420252026NSns0.dnsmadeeasy.comns0.xstragroup.comns1.xstragroup.comns2.xstragroup.comns3.xstragroup.comns4.xstragroup.comns11.bradleebaker.netns12.bradleebaker.netMXcoreresearchgroup-com.mail.protection.outlook.commail.voipstra.com.auA3.136.54.2172.249.53.8
●NSns0.dnsmadeeasy.com2026-03-25 → 2026-03-30 · 3 obs
○ 2017-06-08 08:18:30
● 2026-03-25 11:09:18
● 2026-03-30 06:39:20
●NSns0.xstragroup.com2026-03-25 → 2026-03-30 · 3 obs
○ 2017-06-08 08:18:30
● 2026-03-25 11:09:18
● 2026-03-30 06:39:20
●NSns1.xstragroup.com2026-03-25 → 2026-03-30 · 3 obs
○ 2017-06-08 08:18:30
● 2026-03-25 11:09:18
● 2026-03-30 06:39:20
○NSns11.bradleebaker.net2015-06-15 → 2017-06-08 · 4 obs
● 2015-06-15 06:24:56
● 2017-06-08 08:18:30
○ 2026-03-25 11:09:18
○ 2026-03-30 06:39:20
○NSns12.bradleebaker.net2015-06-15 → 2017-06-08 · 4 obs
● 2015-06-15 06:24:56
● 2017-06-08 08:18:30
○ 2026-03-25 11:09:18
○ 2026-03-30 06:39:20
●NSns2.xstragroup.com2026-03-25 → 2026-03-30 · 3 obs
○ 2017-06-08 08:18:30
● 2026-03-25 11:09:18
● 2026-03-30 06:39:20
●NSns3.xstragroup.com2026-03-25 → 2026-03-30 · 3 obs
○ 2017-06-08 08:18:30
● 2026-03-25 11:09:18
● 2026-03-30 06:39:20
●NSns4.xstragroup.com2026-03-25 → 2026-03-30 · 3 obs
○ 2017-06-08 08:18:30
● 2026-03-25 11:09:18
● 2026-03-30 06:39:20
●MXcoreresearchgroup-com.mail.protection.outlook.com2017-06-08 → 2026-03-30 · 3 obs
○ 2016-11-26 21:39:56
● 2017-06-08 08:18:30
● 2026-03-30 06:39:20
○MXmail.voipstra.com.au2015-06-15 → 2016-11-26 · 4 obs
● 2015-06-15 06:24:56
● 2016-11-26 21:39:56
○ 2017-06-08 08:18:30
○ 2026-03-30 06:39:20
●A3.136.54.212026-03-25 → 2026-03-30 · 3 obs
○ 2017-06-08 08:18:30
● 2026-03-25 11:09:18
● 2026-03-30 06:39:20
○A72.249.53.82015-06-15 → 2017-06-08 · 4 obs
● 2015-06-15 06:24:56
● 2017-06-08 08:18:30
○ 2026-03-25 11:09:18
○ 2026-03-30 06:39:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
coreresearchgroup.comns0.xstragroup.com, ns1.xstragroup.com, ns2.xstragroup.com, ns3.xstragroup.com...5 records

✅ Authoritative Response

Server:208.80.124.2

NS records: ns0.xstragroup.com, ns1.xstragroup.com, ns2.xstragroup.com, ns3.xstragroup.com, ns4.xstragroup.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreresearchgroup.com (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

TypeCountSample Data
A13.136.54.21
NS5ns3.xstragroup.com, ns4.xstragroup.com...
MX1coreresearchgroup-com.mail.protection.ou
TXT2v=spf1 include:spf.protection.outlook.co, MS=ms62198377
SOA1ns0.dnsmadeeasy.com dns.dnsmadeeasy.com

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns0.xstragroup.com, ns1.xstragroup.com, ns2.xstragroup.com...)

Analysis

Hierarchy

coreresearchgroup.com is a parent of mail.coreresearchgroup.com.

IP Addresses

coreresearchgroup.com points to a single IP number: 3.136.54.21.

Other host names, for instance deviceb.com, ec2-3-136-54-21.us-east-2.compute.amazonaws.com, cmsmdc.com, ns1.deviceb.com and garzaro.net share IP numbers with coreresearchgroup.com.

Name Servers

coreresearchgroup.com is delegated to six name servers: ns0.dnsmadeeasy.com, ns0.xstragroup.com, ns1.xstragroup.com, ns2.xstragroup.com, ns3.xstragroup.com and ns4.xstragroup.com.

coreresearchgroup.com at least partially shares name servers with other domains, for instance southerntraining.com, jujyfruits.com, bellmobile.net, gripwell.com.au and starkennels.com.

These name servers are often used together with ns1.dnsmadeeasy.com, ns2.dnsmadeeasy.com, ns3.dnsmadeeasy.com, ns4.dnsmadeeasy.com and ns10.digicertdns.com.

Host names with two IP numbers:

Host ns0.dnsmadeeasy.com points to 2600:1800::1 and 208.94.148.2.

Host names with one IP number:

Host ns0.xstragroup.com points to 208.94.148.2.

Host ns1.xstragroup.com points to 208.80.124.2.

Host ns2.xstragroup.com points to 208.80.126.2.

Host ns3.xstragroup.com points to 208.80.125.2.

Host ns4.xstragroup.com points to 208.80.127.2.

Host names that point to 208.94.148.2: ns0.dnsmadeeasy.com and ns0.xstragroup.com.

Mail Servers

coreresearchgroup.com is handled by a single mail server, coreresearchgroup-com.mail.protection.outlook.com.

coreresearchgroup-com.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:cc31::, 2a01:111:f403:cc31::1, 2a01:111:f403:cc31::2, 2a01:111:f403:cc33::1, 52.101.149.0, 52.101.149.2, 52.101.149.9 and 52.101.151.0.