`jrcontab.com`

DNSSEC	⚠️ Not signed
A	186.202.135.240^{🇧🇷 Locaweb186.202.132.0/22 Servicos de Internet SA}
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	`jrcontab-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::14^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr05cu00501.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00301.inbound.protection.outlook.com`
		A	52.101.11.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr03cu00102.inbound.protection.outlook.com`
		A	52.101.41.180^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
		A	52.101.50.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00401.inbound.protection.outlook.com`
TXT	`mscid=Fh6soSWNhHMhng25dEl8ffOBCxa1tCb26uH1gkPWpKAndDqmWULbRdb3uWL+aCivylw9noA...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=279254692692DB5E63C086B2E4FFDBAE23D68155`
TXT	`MS=ms53230371`
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=1771291435

Same first word

jrcontab.com

Similar names

trojanbc.co.za

tjcarbon.com

bjcarton.com

cjbarton.com

DNS History

14 records (6 active, 8 former)

●NSns1.bdm.microsoftonline.com2026-03-22 → 2026-03-22 · 3 obs

○ 2017-01-24 10:03:44
● 2026-03-22 22:25:08
● 2026-03-22 22:25:10

○NSns1.locaweb.com.br2015-05-16 → 2017-01-24 · 4 obs

● 2015-05-16 23:16:40
● 2017-01-24 10:03:44
○ 2026-03-22 22:25:08
○ 2026-03-22 22:25:10

●NSns2.bdm.microsoftonline.com2026-03-22 → 2026-03-22 · 3 obs

○ 2017-01-24 10:03:44
● 2026-03-22 22:25:08
● 2026-03-22 22:25:10

○NSns2.locaweb.com.br2015-05-16 → 2017-01-24 · 4 obs

● 2015-05-16 23:16:40
● 2017-01-24 10:03:44
○ 2026-03-22 22:25:08
○ 2026-03-22 22:25:10

●NSns3.bdm.microsoftonline.com2026-03-22 → 2026-03-22 · 3 obs

○ 2017-01-24 10:03:44
● 2026-03-22 22:25:08
● 2026-03-22 22:25:10

○NSns3.locaweb.com.br2015-05-16 → 2017-01-24 · 4 obs

● 2015-05-16 23:16:40
● 2017-01-24 10:03:44
○ 2026-03-22 22:25:08
○ 2026-03-22 22:25:10

●NSns4.bdm.microsoftonline.com2026-03-22 → 2026-03-22 · 3 obs

○ 2017-01-24 10:03:44
● 2026-03-22 22:25:08
● 2026-03-22 22:25:10

●MXjrcontab-com.mail.protection.outlook.com2026-03-22 → 2026-03-22 · 3 obs

○ 2017-01-24 10:03:44
● 2026-03-22 22:25:08
● 2026-03-22 22:25:10

○MXmx.a.locaweb.com.br2015-05-16 → 2017-01-24 · 4 obs

● 2015-05-16 23:16:40
● 2017-01-24 10:03:44
○ 2026-03-22 22:25:08
○ 2026-03-22 22:25:10

○MXmx.b.locaweb.com.br2015-05-16 → 2017-01-24 · 4 obs

● 2015-05-16 23:16:40
● 2017-01-24 10:03:44
○ 2026-03-22 22:25:08
○ 2026-03-22 22:25:10

○MXmx.core.locaweb.com.br2015-05-16 → 2017-01-24 · 4 obs

● 2015-05-16 23:16:40
● 2017-01-24 10:03:44
○ 2026-03-22 22:25:08
○ 2026-03-22 22:25:10

○MXmx.jk.locaweb.com.br2015-05-16 → 2017-01-24 · 4 obs

● 2015-05-16 23:16:40
● 2017-01-24 10:03:44
○ 2026-03-22 22:25:08
○ 2026-03-22 22:25:10

●A186.202.135.2402026-03-22 → 2026-03-22 · 3 obs

○ 2017-01-24 10:03:44
● 2026-03-22 22:25:08
● 2026-03-22 22:25:10

○A186.202.153.1522015-05-16 → 2017-01-24 · 4 obs

● 2015-05-16 23:16:40
● 2017-01-24 10:03:44
○ 2026-03-22 22:25:08
○ 2026-03-22 22:25:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
jrcontab.com	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	8 records

✅ Authoritative Response

Server: 204.14.183.208

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 jrcontab.com (unsigned zone)

⏱️ Timing

Total: 140ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`186.202.135.240`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`jrcontab-com.mail.protection.outlook.com`
TXT	4	`mscid=Fh6soSWNhHMhng25dEl8ffOBCxa1tCb26u, 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

jrcontab.com points to a single IP number: 186.202.135.240.

other host names for instance multicopias.com.br, msimagem.com.br, infraenge.com, fabioalbuquerque.com.br and colorpaper.com.br share IP numbers with jrcontab.com.

Name Servers

jrcontab.com is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

jrcontab.com at least partially shares name servers with other domains, for instance hakuhodo.com.tw, rmincp.com, grms-uk.com, om-media.it and block295.com.