`decisionsource.com`

DNSSEC	⚠️ Not signed
A	50.19.166.105^{🇺🇸 Amazon50.19.128.0/17 EC2 IAD prefix}
		PTR	`ec2-50-19-166-105.compute-1.amazonaws.com`
NS	`ns91.worldnic.com` ⭐
		A	162.159.26.217^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns92.worldnic.com`
		A	162.159.27.155^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`decisionsource-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.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:c902::16^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00306.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr04cu00100.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.10.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr02cu00301.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.194.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00605.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`NS91.WORLDNIC.com`namehost@WORLDNIC.com serial=121092114

`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=1776970416

Subdomains

ns1.decisionsource.com

Same first word

DNS History

7 records (4 active, 3 former)

●NSns91.worldnic.com2015-07-13 → 2026-04-23 · 2 obs

● 2015-07-13 11:24:14
● 2026-04-23 18:55:08

●NSns92.worldnic.com2015-07-13 → 2026-04-23 · 2 obs

● 2015-07-13 11:24:14
● 2026-04-23 18:55:08

●MXdecisionsource-com.mail.protection.outlook.com2015-07-13 → 2026-04-23 · 2 obs

● 2015-07-13 11:24:14
● 2026-04-23 18:55:08

○A107.20.169.1152015-07-13 → 2015-12-18 · 4 obs

● 2015-07-13 11:24:14
● 2015-12-18 10:30:20
○ 2016-03-31 12:46:40
○ 2026-04-23 18:55:08

○A34.231.28.252020-03-06 → 2020-03-06 · 3 obs

○ 2017-04-03 12:32:38
● 2020-03-06 02:05:28
○ 2026-04-23 18:55:08

●A50.19.166.1052026-04-23 → 2026-04-23 · 2 obs

○ 2020-03-06 02:05:28
● 2026-04-23 18:55:08

○A54.85.32.522016-03-31 → 2017-04-03 · 5 obs

○ 2015-12-18 10:30:20
● 2016-03-31 12:46:40
● 2017-04-03 12:32:38
○ 2020-03-06 02:05:28
○ 2026-04-23 18:55:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
decisionsource.com	ns91.worldnic.com, ns92.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.217

NS records: ns91.worldnic.com, ns92.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for decisionsource.com (unsigned zone)

⏱️ Timing

Total: 158ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.19.166.105`
NS	2	`ns92.worldnic.com, ns91.worldnic.com`
MX	1	`decisionsource-com.mail.protection.outlo`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`NS91.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns91.worldnic.com, ns92.worldnic.com)

Analysis

Hierarchy

The parent of ns1.decisionsource.com is decisionsource.com.

IP Addresses

decisionsource.com points to IP number: 50.19.166.105.

Name Servers

decisionsource.com is delegated to two name servers: ns91.worldnic.com and ns92.worldnic.com.

decisionsource.com shares the same name server setup as japan-animation.com, groupepolyalto.com, advancedeye.com, fstflorian.com and richardlittlejohn.tv.

Host names with a single IP:

ns91.worldnic.com points to 162.159.26.217.

ns92.worldnic.com points to 162.159.27.155.

Mail Servers

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

Host name decisionsource-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c801::1, 2a01:111:f403:c902::14, 2a01:111:f403:c902::16, 2a01:111:f403:c91d::, 52.101.9.11, 52.101.10.1, 52.101.40.0 and 52.101.194.13.

decisionsource.com - robtex.com