`4rsc.com`

DNSSEC	⚠️ Not signed
A	52.87.105.192^{🇺🇸 Amazon52.86.0.0/15 EC2 IAD prefix}
		PTR	`ec2-52-87-105-192.compute-1.amazonaws.com`
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`4rsc-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01403.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr05cu00301.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.41.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01600.inbound.protection.outlook.com`
		A	52.101.41.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01702.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
TXT	`mscid=ByGF3lF9S0tI4BRNjtq0WLT6czJFUbjD7sVLW60qmOBN7wib7I7hUda+quAChgmONiheDx4...`
TXT	`v=spf1 include:spf.protection.outlook.com a:mailer.clubexpress.com -all`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783650312

Previously MX for

4rsc.com

Same first word

4rsc.com

Similar names

sc4r.pro

scr4.me

4scr.com

4rcs.com

csr4.org

cr4s.jp

4crs.ru

4scr.tv

scr4.com

4src.co.uk

r4cs.com

crs4.it

4crs.com

DNS History

12 records (6 active, 6 former)

●NSns1.bdm.microsoftonline.com2026-07-03 → 2026-07-10 · 3 obs

○ 2017-01-25 01:19:26
● 2026-07-03 03:28:00
● 2026-07-10 02:51:44

○NSns1511.websitewelcome.com2015-07-17 → 2017-01-25 · 5 obs

○ 2008-03-19 13:31:56
● 2015-07-17 21:30:54
● 2017-01-25 01:19:26
○ 2026-07-03 03:28:00
○ 2026-07-10 02:51:44

○NSns1512.websitewelcome.com2015-07-17 → 2017-01-25 · 5 obs

○ 2008-03-19 13:31:56
● 2015-07-17 21:30:54
● 2017-01-25 01:19:26
○ 2026-07-03 03:28:00
○ 2026-07-10 02:51:44

●NSns2.bdm.microsoftonline.com2026-07-03 → 2026-07-10 · 3 obs

○ 2017-01-25 01:19:26
● 2026-07-03 03:28:00
● 2026-07-10 02:51:44

●NSns3.bdm.microsoftonline.com2026-07-03 → 2026-07-10 · 3 obs

○ 2017-01-25 01:19:26
● 2026-07-03 03:28:00
● 2026-07-10 02:51:44

●NSns4.bdm.microsoftonline.com2026-07-03 → 2026-07-10 · 3 obs

○ 2017-01-25 01:19:26
● 2026-07-03 03:28:00
● 2026-07-10 02:51:44

●MX4rsc-com.mail.protection.outlook.com2026-07-03 → 2026-07-10 · 3 obs

○ 2017-01-25 01:19:26
● 2026-07-03 03:28:00
● 2026-07-10 02:51:44

○MX4rsc.com2015-07-17 → 2017-01-25 · 5 obs

○ 2008-03-19 13:31:56
● 2015-07-17 21:30:54
● 2017-01-25 01:19:26
○ 2026-07-03 03:28:00
○ 2026-07-10 02:51:44

○MXmail.4rsc.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 13:31:56
○ 2015-07-17 21:30:54
○ 2026-07-10 02:51:44

○A192.185.174.1562015-07-17 → 2017-01-25 · 5 obs

○ 2008-03-19 13:31:56
● 2015-07-17 21:30:54
● 2017-01-25 01:19:26
○ 2026-07-03 03:28:00
○ 2026-07-10 02:51:44

○A206.222.216.1742008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 13:31:56
○ 2015-07-17 21:30:54
○ 2026-07-10 02:51:44

●A52.87.105.1922026-07-03 → 2026-07-10 · 3 obs

○ 2017-01-25 01:19:26
● 2026-07-03 03:28:00
● 2026-07-10 02:51:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
4rsc.com	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	8 records

✅ Authoritative Response

Server:150.171.21.208

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: 1404ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.87.105.192`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`4rsc-com.mail.protection.outlook.com (pr`
TXT	2	`mscid=ByGF3lF9S0tI4BRNjtq0WLT6czJFUbjD7s, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

📌 Glue Records Collected

Total: 8

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

Analysis

IP Addresses

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

clubxsd.org, snojets.org, www.migcsa.net plus two other host names have IP numbers in common with 4rsc.com.

Name Servers

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

The name servers of 4rsc.com overlap at least partially with those of other domains — among them bss-coltd.co.jp, consultpaw.com, darkknight.co.uk and two more.

Each of the four hosts ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com has two IP addresses. ns1.bdm.microsoftonline.com points to 13.107.236.208 and 2603:1061:0:700::d0. ns2.bdm.microsoftonline.com points to 150.171.21.208 and 2620:1ec:8ec:700::d0. ns3.bdm.microsoftonline.com points to 204.14.183.208 and 2a01:111:4000:700::d0. ns4.bdm.microsoftonline.com points to 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

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

4rsc-com.mail.protection.outlook.com has 8 IP addresses: 52.101.40.0, 52.101.41.24, 52.101.41.26 plus 5 more.

4rsc.com - robtex.com

4rsc.com

com

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`4rsc.com`

`com`