mail.4rsc.com - robtex.com

mail.4rsc.com

CNAME4rsc.com
DNSSEC⚠️ Not signed
A52.87.105.192🇺🇸 Amazon52.86.0.0/15 EC2 IAD prefix
PTRec2-52-87-105-192.compute-1.amazonaws.com
NSns1.bdm.microsoftonline.com ⭐
A2603:1061:0:700::d0🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-208.azure-dns.com
A13.107.236.208🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-208.azure-dns.com
NSns2.bdm.microsoftonline.com
A2620:1ec:8ec:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-208.azure-dns.net
A150.171.21.208🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-208.azure-dns.net
NSns3.bdm.microsoftonline.com
A2a01:111:4000:700::d0🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-208.azure-dns.org
A204.14.183.208🇺🇸 Microsoft204.14.180.0/22
PTRns3-208.azure-dns.org
NSns4.bdm.microsoftonline.com
A2620:1ec:bda:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-208.azure-dns.info
A208.84.5.208🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-208.azure-dns.info
MX4rsc-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::2🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj0pr03cu01602.inbound.protection.outlook.com
A2a01:111:f403:c902::7🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj0pr02cu00107.inbound.protection.outlook.com
A2a01:111:f403:c922::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bl0pr05cu00501.inbound.protection.outlook.com
A2a01:111:f403:f910::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-cy5pr03cu00300.inbound.protection.outlook.com
A52.101.8.34🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dm2pr04cu00102.inbound.protection.outlook.com
A52.101.11.13🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sn1pr0501cu00205.inbound.protection.outlook.com
A52.101.11.19🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sa9pr04cu00203.inbound.protection.outlook.com
A52.101.194.15🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch4pr21cu00107.inbound.protection.outlook.com
TXTmscid=ByGF3lF9S0tI4BRNjtq0WLT6czJFUbjD7sVLW60qmOBN7wib7I7hUda+quAChgmONiheDx4...
TXTv=spf1 include:spf.protection.outlook.com a:mailer.clubexpress.com -all
SOAns1.bdm.microsoftonline.comazuredns-hostmaster@microsoft.com serial=1

4rsc.com

DNSSEC⚠️ Not signed
A52.87.105.192🇺🇸 Amazon52.86.0.0/15 EC2 IAD prefix
NSns1.bdm.microsoftonline.com ⭐
NSns2.bdm.microsoftonline.com
NSns3.bdm.microsoftonline.com
NSns4.bdm.microsoftonline.com
MX4rsc-com.mail.protection.outlook.com ⭐
TXTmscid=ByGF3lF9S0tI4BRNjtq0WLT6czJFUbjD7sVLW60qmOBN7wib7I7hUda+quAChgmONiheDx4...
TXTv=spf1 include:spf.protection.outlook.com a:mailer.clubexpress.com -all
SOAns1.bdm.microsoftonline.comazuredns-hostmaster@microsoft.com serial=1

Previously MX for

4rsc.com

Same first word

mail.ws
mail.holiday
mail.zombie.jp
mail.ma
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mail.gov.af
mail.hashbang.sh
mail.mil.ru
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mail.perspecta.cloud
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mail.photography
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mail.zip
mail.dvrcam.info
mail.gov.gd
mail.brasilia.me
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mail.pn
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mail.gov.il
mail.ie
mail.pa
mail.schaeffler
mail.gov.to
mail.berlin
mail.dynns.com
mail.go.id
mail.tl
mail.rec.br
mail.com.ps
mail.(0x6c6f6c697461)punk.jp
mail.gov.ie
mail.company
mail.gov.mn
mail.priv.pl
mail.mw
mail.gov.na

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DNS History

5 records (1 active, 4 former)

20162017201820192020202120222023202420252026NSns1511.websitewelcome.comns1512.websitewelcome.comMX4rsc.comA192.185.174.156CNAME4rsc.com
○NSns1511.websitewelcome.com2015-11-25 → 2016-06-28 · 4 obs
● 2015-11-25 00:22:22
● 2016-06-28 21:06:44
○ 2026-07-11 08:07:26
○ 2026-07-11 08:07:30
○NSns1512.websitewelcome.com2015-11-25 → 2016-06-28 · 4 obs
● 2015-11-25 00:22:22
● 2016-06-28 21:06:44
○ 2026-07-11 08:07:26
○ 2026-07-11 08:07:30
○MX4rsc.com2015-11-25 → 2016-06-28 · 4 obs
● 2015-11-25 00:22:22
● 2016-06-28 21:06:44
○ 2026-07-11 08:07:26
○ 2026-07-11 08:07:30
○A192.185.174.1562015-07-04 → 2016-06-28 · 4 obs
● 2015-07-04 16:28:44
● 2016-06-28 21:06:44
○ 2026-07-11 08:07:26
○ 2026-07-11 08:07:30
●CNAME4rsc.com2015-07-04 → 2026-07-11 · 2 obs
● 2015-07-04 16:28:44
● 2026-07-11 08:07:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
4rsc.comns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com8 records

✅ Authoritative Response

Server:13.107.236.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

TypeCountSample Data
CNAME14rsc.com

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)

Analysis

IP Addresses

mail.4rsc.com has exactly one IP address — 52.87.105.192.

cjbc.org, tripoli.org, www.afcce.org plus two other host names have IP numbers in common with mail.4rsc.com.

Name Servers

Four name servers handle the delegation for mail.4rsc.com: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

mail.4rsc.com has at least partial name server overlap with other domains, such as calvioinc.com, anthonyhays.com, aslexec.com and two others.

ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com all point to exactly two IP numbers each: ns1.bdm.microsoftonline.com → 13.107.236.208 and 2603:1061:0:700::d0; ns2.bdm.microsoftonline.com → 150.171.21.208 and 2620:1ec:8ec:700::d0; ns3.bdm.microsoftonline.com → 204.14.183.208 and 2a01:111:4000:700::d0; ns4.bdm.microsoftonline.com → 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

mail.4rsc.com uses one mail server — 4rsc-com.mail.protection.outlook.com.

mail.4rsc.com uses the same mail servers as other domains, including 4rsc.com.

4rsc-com.mail.protection.outlook.com has 8 IP addresses: 52.101.8.34, 52.101.11.13, 52.101.11.19 plus 5 more.