knowledgecharts.com - dns.ninja

`knowledgecharts.com`

DNSSEC	⚠️ Not signed
A	3.85.228.185^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-85-228-185.compute-1.amazonaws.com`
NS	`ns75.worldnic.com` ⭐
		A	162.159.26.27^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns76.worldnic.com`
		A	162.159.27.78^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx001.netsol.xion.oxcs.net` ⭐
		A	173.45.18.128^{🇨🇦 AMC173.45.16.0/22}
			PTR	`mx31.oxsus-vadesecure.net`
MX	`mx002.netsol.xion.oxcs.net` ⭐
		A	173.45.18.129^{🇨🇦 AMC173.45.16.0/22}
			PTR	`mx32.oxsus-vadesecure.net`
MX	`mx003.netsol.xion.oxcs.net` ⭐
		A	51.81.206.108^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`mx33.oxsus-vadesecure.net`
MX	`mx004.netsol.xion.oxcs.net` ⭐
		A	51.81.206.109^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`mx34.oxsus-vadesecure.net`
TXT	`v=spf1 a mx ptr ip4:54.173.199.248 ip4:3.85.228.185 include:spf.netsolmail.ne...`
SOA	`NS75.WORLDNIC.com`namehost@WORLDNIC.com serial=125051316

`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=1782612780

Subdomains

team.knowledgecharts.com

Same first word

knowledgecharts.com

DNS History

15 records (7 active, 8 former)

○NSdns1.quonix.net2015-08-13 → 2016-07-09 · 4 obs

● 2015-08-13 02:24:46
● 2016-07-09 23:47:26
○ 2017-03-26 00:35:02
○ 2026-06-28 02:40:14

○NSdns2.quonix.net2015-08-13 → 2016-07-09 · 4 obs

● 2015-08-13 02:24:46
● 2016-07-09 23:47:26
○ 2017-03-26 00:35:02
○ 2026-06-28 02:40:14

●NSns75.worldnic.com2017-03-26 → 2026-06-28 · 3 obs

○ 2016-07-09 23:47:26
● 2017-03-26 00:35:02
● 2026-06-28 02:40:14

●NSns76.worldnic.com2017-03-26 → 2026-06-28 · 3 obs

○ 2016-07-09 23:47:26
● 2017-03-26 00:35:02
● 2026-06-28 02:40:14

○MXinbound.knowledgecharts.com.netsolmail.net2017-03-26 → 2017-03-26 · 4 obs

○ 2016-07-09 23:47:26
● 2017-03-26 00:35:02
○ 2020-02-12 19:54:12
○ 2026-06-28 02:40:14

○MXmail.knowledgecharts.com2016-07-09 → 2016-07-09 · 4 obs

○ 2016-03-08 04:05:18
● 2016-07-09 23:47:26
○ 2017-03-26 00:35:02
○ 2026-06-28 02:40:14

○MXmailgw.quonix.net2015-08-13 → 2016-03-08 · 4 obs

● 2015-08-13 02:24:46
● 2016-03-08 04:05:18
○ 2016-07-09 23:47:26
○ 2026-06-28 02:40:14

●MXmx001.netsol.xion.oxcs.net2026-03-26 → 2026-06-28 · 3 obs

○ 2020-02-12 19:54:12
● 2026-03-26 17:16:12
● 2026-06-28 02:40:14

●MXmx002.netsol.xion.oxcs.net2026-03-26 → 2026-06-28 · 3 obs

○ 2020-02-12 19:54:12
● 2026-03-26 17:16:12
● 2026-06-28 02:40:14

●MXmx003.netsol.xion.oxcs.net2026-03-26 → 2026-06-28 · 3 obs

○ 2020-02-12 19:54:12
● 2026-03-26 17:16:12
● 2026-06-28 02:40:14

●MXmx004.netsol.xion.oxcs.net2026-03-26 → 2026-06-28 · 3 obs

○ 2020-02-12 19:54:12
● 2026-03-26 17:16:12
● 2026-06-28 02:40:14

○MXmx1.netsolmail.net2020-02-12 → 2020-02-12 · 4 obs

○ 2017-03-26 00:35:02
● 2020-02-12 19:54:12
○ 2026-03-26 17:16:12
○ 2026-06-28 02:40:14

○A208.82.129.132015-08-13 → 2016-07-09 · 4 obs

● 2015-08-13 02:24:46
● 2016-07-09 23:47:26
○ 2017-03-26 00:35:02
○ 2026-06-28 02:40:14

●A3.85.228.1852026-03-26 → 2026-06-28 · 3 obs

○ 2020-02-12 19:54:12
● 2026-03-26 17:16:12
● 2026-06-28 02:40:14

○A54.173.199.2482017-03-26 → 2020-02-12 · 5 obs

○ 2016-07-09 23:47:26
● 2017-03-26 00:35:02
● 2020-02-12 19:54:12
○ 2026-03-26 17:16:12
○ 2026-06-28 02:40:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
knowledgecharts.com	ns75.worldnic.com, ns76.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.78

NS records: ns75.worldnic.com, ns76.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgecharts.com (unsigned zone)

⏱️ Timing

Total: 1238ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.85.228.185`
NS	2	`ns76.worldnic.com, ns75.worldnic.com`
MX	4	`mx004.netsol.xion.oxcs.net (pri: 10), mx002.netsol.xion.oxcs.net (pri: 10)...`
TXT	1	`v=spf1 a mx ptr ip4:54.173.199.248 ip4:3`
SOA	1	`NS75.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns75.worldnic.com, ns76.worldnic.com)

Analysis

Hierarchy

team.knowledgecharts.com is a subdomain of knowledgecharts.com.

IP Addresses

knowledgecharts.com has exactly one IP address — 3.85.228.185.

ec2-3-85-228-185.compute-1.amazonaws.com and team.knowledgecharts.com are among other host names that share IP numbers with knowledgecharts.com.

Name Servers

knowledgecharts.com is served by two delegated name servers, ns75.worldnic.com and ns76.worldnic.com.

The name server configuration of knowledgecharts.com is shared with other domains, for instance yujean.com, oasisresort.com, cha-chingrecords.net and two others.

Both ns75.worldnic.com and ns76.worldnic.com have a single IP address each — ns75.worldnic.com resolves to 162.159.26.27 while ns76.worldnic.com resolves to 162.159.27.78.

Mail Servers

Mail for knowledgecharts.com is handled by four mail servers: mx001.netsol.xion.oxcs.net, mx002.netsol.xion.oxcs.net, mx003.netsol.xion.oxcs.net and mx004.netsol.xion.oxcs.net.

At least some of the mail servers used by knowledgecharts.com are shared with other domains: starvio.com, mikewu.me, 1alr.com and two others among them.

Four host names, each with one IP address: mx001.netsol.xion.oxcs.net has 173.45.18.128, mx002.netsol.xion.oxcs.net has 173.45.18.129, mx003.netsol.xion.oxcs.net has 51.81.206.108 and mx004.netsol.xion.oxcs.net has 51.81.206.109.