`worldsources.com`

DNSSEC	⚠️ Not signed
A	58.177.178.92^{🇭🇰 HKBN58.177.176.0/21 Hong Kong Broadband Network Ltd 15/F Trans Asia Centre 18 Kin Hong Street}
		PTR	`058177178092.ctinets.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	`worldsources-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`mscid=3RfGGamSf1eLGs8gzt2bhaoSwoHn2jXWGHJhab6y4clvjOfi0ejL1O8Q2cODy5gpRyKIvo8...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`h21jchklvlu385gh14jb7p4r5k`
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=1778629606

WOT: SAFE (31/100)
📈 Tranco rank: #347,036

Subdomains

pop3.worldsources.com

smtp.worldsources.com

mx2.worldsources.com

mail.worldsources.com

www.worldsources.com

Same first word

worldsources.com

worldsources.cn

worldsources.com.cn

Similar names

worldscourse.com

worldcourses.com

coursesworld.com

coursesworld.org

DNS History

11 records (6 active, 5 former)

○NSdns010.b.register.com2015-07-09 → 2017-02-12 · 4 obs

● 2015-07-09 20:00:40
● 2017-02-12 10:33:08
○ 2026-03-09 11:28:22
○ 2026-05-12 23:53:04

○NSdns010.d.register.com2015-07-09 → 2017-02-12 · 4 obs

● 2015-07-09 20:00:40
● 2017-02-12 10:33:08
○ 2026-03-09 11:28:22
○ 2026-05-12 23:53:04

○NSdns029.c.register.com2015-07-09 → 2017-02-12 · 4 obs

● 2015-07-09 20:00:40
● 2017-02-12 10:33:08
○ 2026-03-09 11:28:22
○ 2026-05-12 23:53:04

○NSdns248.a.register.com2015-07-09 → 2017-02-12 · 4 obs

● 2015-07-09 20:00:40
● 2017-02-12 10:33:08
○ 2026-03-09 11:28:22
○ 2026-05-12 23:53:04

●NSns1.bdm.microsoftonline.com2026-03-09 → 2026-05-12 · 3 obs

○ 2017-02-12 10:33:08
● 2026-03-09 11:28:22
● 2026-05-12 23:53:04

●NSns2.bdm.microsoftonline.com2026-03-09 → 2026-05-12 · 3 obs

○ 2017-02-12 10:33:08
● 2026-03-09 11:28:22
● 2026-05-12 23:53:04

●NSns3.bdm.microsoftonline.com2026-03-09 → 2026-05-12 · 3 obs

○ 2017-02-12 10:33:08
● 2026-03-09 11:28:22
● 2026-05-12 23:53:04

●NSns4.bdm.microsoftonline.com2026-03-09 → 2026-05-12 · 3 obs

○ 2017-02-12 10:33:08
● 2026-03-09 11:28:22
● 2026-05-12 23:53:04

●MXworldsources-com.mail.protection.outlook.com2015-07-09 → 2026-05-12 · 2 obs

● 2015-07-09 20:00:40
● 2026-05-12 23:53:04

○A14.136.201.2422015-07-09 → 2017-02-12 · 4 obs

● 2015-07-09 20:00:40
● 2017-02-12 10:33:08
○ 2026-03-09 11:28:22
○ 2026-05-12 23:53:04

●A58.177.178.922026-03-09 → 2026-05-12 · 3 obs

○ 2017-02-12 10:33:08
● 2026-03-09 11:28:22
● 2026-05-12 23:53:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
worldsources.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 worldsources.com (unsigned zone)

⏱️ Timing

Total: 221ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`58.177.178.92`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`worldsources-com.mail.protection.outlook`
TXT	3	`mscid=3RfGGamSf1eLGs8gzt2bhaoSwoHn2jXWGH, 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

Hierarchy

worldsources.com is a parent of pop3.worldsources.com, smtp.worldsources.com, mx2.worldsources.com, mail.worldsources.com and www.worldsources.com.

IP Addresses

worldsources.com points to a single IP number: 58.177.178.92.

Other host names, for instance 058177178092.ctinets.com, share IP numbers with worldsources.com.

Name Servers

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

worldsources.com at least partially shares name servers with other domains, for instance cargonauts.cl, kanpei.com.sg, arcustec.com, bardint.com and hillsdalepolice.com.

These name servers are commonly used with the name servers ns1.name.com.

Host names with two IP numbers:

Host name ns1.bdm.microsoftonline.com points to: 2603:1061:0:700::d0 and 13.107.236.208.

Host name ns2.bdm.microsoftonline.com points to: 2620:1ec:8ec:700::d0 and 150.171.21.208.

Host name ns3.bdm.microsoftonline.com points to: 2a01:111:4000:700::d0 and 204.14.183.208.

Host name ns4.bdm.microsoftonline.com points to: 2620:1ec:bda:700::d0 and 208.84.5.208.

Mail Servers

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

Host worldsources-com.mail.protection.outlook.com points to six IPs: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

worldsources.com - robtex.com