sourceknowledge.com - dns.ninja

`sourceknowledge.com`

DNSSEC	⚠️ Not signed
A	198.71.233.51^{🇺🇸 AS398787198.71.233.0/24 MWP}
		PTR	`51.233.71.198.host.secureserver.net`
NS	`ns-897.awsdns-48.net` ⭐
		A	2600:9000:5303:8100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-897.awsdns-48.net`
		A	205.251.195.129^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-897.awsdns-48.net`
NS	`ns-1369.awsdns-43.org`
		A	2600:9000:5305:5900::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1369.awsdns-43.org`
		A	205.251.197.89^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1369.awsdns-43.org`
NS	`ns-1640.awsdns-13.co.uk`
		A	2600:9000:5306:6800::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1640.awsdns-13.co.uk`
		A	205.251.198.104^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1640.awsdns-13.co.uk`
NS	`ns-437.awsdns-54.com`
		A	2600:9000:5301:b500::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-437.awsdns-54.com`
		A	205.251.193.181^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-437.awsdns-54.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c25::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	2607:f8b0:4004:c29::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f27.1e100.net`
		A	2607:f8b0:4004:c2d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-in-f26.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
		A	192.178.218.27^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	192.179.18.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f26.1e100.net`
TXT	`atlassian-domain-verification=czJjD41ziqOM2JWHefhU9hexppnCJdTmGTvXOXiJLKXtHzt...`
TXT	`eb27qmhvjonq5g4il926976vcc`
TXT	`v=spf1 mx include:spf.autopilothq.com include:sendgrid.net include:spf.mandri...`
SOA	`ns-897.awsdns-48.net`awsdns-hostmaster@amazon.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=1785921614

rank #435729 globally
rank #180257 in the tld
⚠️ On DNS blocklist: pro.plus, pro.plus.mini, ultimate, ultimate.mini

Subdomains

www.sourceknowledge.com

prod.sourceknowledge.com

www2.sourceknowledge.com

Same first word

sourceknowledge.com

Similar names

knowledgesource.com.au

knowledgesource.training

knowledgecourse.com

DNS History

17 records (6 active, 11 former)

●NSns-1369.awsdns-43.org2026-02-23 → 2026-08-05 · 3 obs

○ 2021-05-16 03:02:26
● 2026-02-23 10:46:22
● 2026-08-05 09:31:48

●NSns-1640.awsdns-13.co.uk2026-02-23 → 2026-08-05 · 3 obs

○ 2021-05-16 03:02:26
● 2026-02-23 10:46:22
● 2026-08-05 09:31:48

●NSns-437.awsdns-54.com2026-02-23 → 2026-08-05 · 3 obs

○ 2021-05-16 03:02:26
● 2026-02-23 10:46:22
● 2026-08-05 09:31:48

●NSns-897.awsdns-48.net2026-02-23 → 2026-08-05 · 3 obs

○ 2021-05-16 03:02:26
● 2026-02-23 10:46:22
● 2026-08-05 09:31:48

○NSns1.provenpixel.com2015-08-12 → 2021-05-16 · 4 obs

● 2015-08-12 16:40:20
● 2021-05-16 03:02:26
○ 2026-02-23 10:46:22
○ 2026-08-05 09:31:48

○NSns1.provenpixel.net2015-08-12 → 2021-05-16 · 4 obs

● 2015-08-12 16:40:20
● 2021-05-16 03:02:26
○ 2026-02-23 10:46:22
○ 2026-08-05 09:31:48

○NSns2.provenpixel.net2015-08-12 → 2021-05-16 · 4 obs

● 2015-08-12 16:40:20
● 2021-05-16 03:02:26
○ 2026-02-23 10:46:22
○ 2026-08-05 09:31:48

○NSns3.provenpixel.net2015-08-12 → 2021-05-16 · 4 obs

● 2015-08-12 16:40:20
● 2021-05-16 03:02:26
○ 2026-02-23 10:46:22
○ 2026-08-05 09:31:48

○NSns4.provenpixel.net2015-08-12 → 2021-05-16 · 4 obs

● 2015-08-12 16:40:20
● 2021-05-16 03:02:26
○ 2026-02-23 10:46:22
○ 2026-08-05 09:31:48

○MXalt1.aspmx.l.google.com2015-08-12 → 2026-05-19 · 4 obs

● 2015-08-12 16:40:20
● 2026-05-19 09:29:18
○ 2026-05-20 19:58:30
○ 2026-08-05 09:31:48

○MXalt2.aspmx.l.google.com2015-08-12 → 2026-05-19 · 4 obs

● 2015-08-12 16:40:20
● 2026-05-19 09:29:18
○ 2026-05-20 19:58:30
○ 2026-08-05 09:31:48

○MXaspmx.l.google.com2015-08-12 → 2026-05-19 · 4 obs

● 2015-08-12 16:40:20
● 2026-05-19 09:29:18
○ 2026-05-20 19:58:30
○ 2026-08-05 09:31:48

○MXaspmx2.googlemail.com2015-08-12 → 2026-05-19 · 4 obs

● 2015-08-12 16:40:20
● 2026-05-19 09:29:18
○ 2026-05-20 19:58:30
○ 2026-08-05 09:31:48

●MXsmtp.google.com2026-05-20 → 2026-08-05 · 3 obs

○ 2026-05-19 09:29:18
● 2026-05-20 19:58:30
● 2026-08-05 09:31:48

○A159.203.60.2362017-04-03 → 2017-04-03 · 4 obs

○ 2016-08-10 03:11:26
● 2017-04-03 11:58:42
○ 2021-05-16 03:02:26
○ 2026-08-05 09:31:48

●A198.71.233.512021-05-16 → 2026-08-05 · 3 obs

○ 2017-04-03 11:58:42
● 2021-05-16 03:02:26
● 2026-08-05 09:31:48

○A54.187.102.1292015-08-12 → 2016-08-10 · 4 obs

● 2015-08-12 16:40:20
● 2016-08-10 03:11:26
○ 2017-04-03 11:58:42
○ 2026-08-05 09:31:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...	-
sourceknowledge.com	ns-437.awsdns-54.com, ns-897.awsdns-48.net, ns-1640.awsdns-13.co.uk, ns-1369.awsdns-43.org	2 records

✅ Authoritative Response

Server:205.251.195.129

NS records: ns-437.awsdns-54.com, ns-897.awsdns-48.net, ns-1640.awsdns-13.co.uk, ns-1369.awsdns-43.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sourceknowledge.com (unsigned zone)

⏱️ Timing

Total: 345ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.71.233.51`
NS	4	`ns-1369.awsdns-43.org, ns-1640.awsdns-13.co.uk...`
MX	1	`smtp.google.com (pri: 1)`
TXT	3	`atlassian-domain-verification=czJjD41ziq, eb27qmhvjonq5g4il926976vcc...`
SOA	1	`ns-897.awsdns-48.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-437.awsdns-54.com, ns-437.awsdns-54.com)

Analysis

Hierarchy

www.sourceknowledge.com, prod.sourceknowledge.com and www2.sourceknowledge.com each fall under the parent domain sourceknowledge.com.

IP Addresses

sourceknowledge.com resolves to one IP address: 198.71.233.51.

toxictorts.com, pilotgear.com, mcstech.net and two other host names share IP numbers with sourceknowledge.com.

Name Servers

The authoritative name servers for sourceknowledge.com are ns-437.awsdns-54.com, ns-897.awsdns-48.net, ns-1369.awsdns-43.org and ns-1640.awsdns-13.co.uk.

sourceknowledge.com partially shares its NS delegation with several other domains, including vascolange.com, intencity.com.au, gettingmarried.us and two others.

ns-437.awsdns-54.com, ns-897.awsdns-48.net, ns-1369.awsdns-43.org and ns-1640.awsdns-13.co.uk each carry two IP addresses. ns-437.awsdns-54.com has 205.251.193.181 and 2600:9000:5301:b500::1; ns-897.awsdns-48.net has 205.251.195.129 and 2600:9000:5303:8100::1; ns-1369.awsdns-43.org has 205.251.197.89 and 2600:9000:5305:5900::1; ns-1640.awsdns-13.co.uk has 205.251.198.104 and 2600:9000:5306:6800::1.

Mail Servers

Mail for sourceknowledge.com is handled by a single mail server, smtp.google.com.

sourceknowledge.com uses an identical mail server configuration to several other domains — among them redease.com, citygrum.com, pwfiles.com and two more.

sourceknowledge.com has at least partial mail server overlap with other domains such as livefromrest.com, allthreadink.com, verticalstudio.ai and two more.

The mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com are commonly seen alongside these mail servers.

smtp.google.com resolves to 9 IP addresses — 142.251.163.26, 173.194.45.26, 173.194.45.27 and 6 others.