🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developmentknowledge.com`

DNSSEC	⚠️ Not signed
A	3.33.130.190^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`a2aa9ff50de748dbe.awsglobalaccelerator.com`
A	15.197.148.33^{🇺🇸 Amazon15.197.144.0/20}
NS	`ns75.domaincontrol.com` ⭐
		A	2603:5:21b4::30^{🇺🇸 GODADDY-DNS2603:5:21b0::/44}
			PTR	`ns75.domaincontrol.com`
		A	97.74.107.48^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns75.domaincontrol.com`
NS	`ns76.domaincontrol.com`
		A	2603:5:22b4::30^{🇺🇸 GODADDY-DNS2603:5:22b0::/44}
			PTR	`ns76.domaincontrol.com`
		A	173.201.75.48^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns76.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=sxbsaMa1rGownExdCddyXA_jgPkJX3qTJa9kVdIXYXQ`
TXT	`v=spf1 include:dc-aa8e722993._spfm.developmentknowledge.com ~all`
SOA	`ns75.domaincontrol.com`dns@jomax.net 2023-09-19 #0

`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=1790947124

Same first word

developmentknowledge.com

developmentknowledge.site

Similar names

knowledgedevelopment.com

knowledgedevelopment.online

knowledgedevelopment.net

DNS History

18 records (9 active, 9 former)

○NSns1.bluehost.com2015-06-02 → 2016-12-09 · 5 obs

○ 2008-11-06 22:24:42
● 2015-06-02 13:54:38
● 2016-12-09 12:38:52
○ 2017-08-18 16:41:16
○ 2026-10-02 13:31:58

○NSns1.us73.siteground.us2017-08-18 → 2017-08-18 · 4 obs

○ 2016-12-09 12:38:52
● 2017-08-18 16:41:16
○ 2026-09-25 01:18:22
○ 2026-10-02 13:31:58

○NSns2.bluehost.com2015-06-02 → 2016-12-09 · 5 obs

○ 2008-11-06 22:24:42
● 2015-06-02 13:54:38
● 2016-12-09 12:38:52
○ 2017-08-18 16:41:16
○ 2026-10-02 13:31:58

○NSns2.us73.siteground.us2017-08-18 → 2017-08-18 · 4 obs

○ 2016-12-09 12:38:52
● 2017-08-18 16:41:16
○ 2026-09-25 01:18:22
○ 2026-10-02 13:31:58

●NSns75.domaincontrol.com2026-09-25 → 2026-10-02 · 3 obs

○ 2017-08-18 16:41:16
● 2026-09-25 01:18:22
● 2026-10-02 13:31:58

●NSns76.domaincontrol.com2026-09-25 → 2026-10-02 · 3 obs

○ 2017-08-18 16:41:16
● 2026-09-25 01:18:22
● 2026-10-02 13:31:58

●MXalt1.aspmx.l.google.com2015-06-02 → 2026-10-02 · 3 obs

○ 2008-11-06 22:24:42
● 2015-06-02 13:54:38
● 2026-10-02 13:31:58

●MXalt2.aspmx.l.google.com2015-06-02 → 2026-10-02 · 3 obs

○ 2008-11-06 22:24:42
● 2015-06-02 13:54:38
● 2026-10-02 13:31:58

●MXalt3.aspmx.l.google.com2016-04-09 → 2026-10-02 · 3 obs

○ 2016-01-19 10:01:02
● 2016-04-09 14:36:42
● 2026-10-02 13:31:58

●MXalt4.aspmx.l.google.com2016-04-09 → 2026-10-02 · 3 obs

○ 2016-01-19 10:01:02
● 2016-04-09 14:36:42
● 2026-10-02 13:31:58

●MXaspmx.l.google.com2015-06-02 → 2026-10-02 · 3 obs

○ 2008-11-06 22:24:42
● 2015-06-02 13:54:38
● 2026-10-02 13:31:58

○MXaspmx2.googlemail.com2015-06-02 → 2016-01-19 · 5 obs

○ 2008-11-06 22:24:42
● 2015-06-02 13:54:38
● 2016-01-19 10:01:02
○ 2016-04-09 14:36:42
○ 2026-10-02 13:31:58

○MXaspmx3.googlemail.com2015-06-02 → 2016-01-19 · 5 obs

○ 2008-11-06 22:24:42
● 2015-06-02 13:54:38
● 2016-01-19 10:01:02
○ 2016-04-09 14:36:42
○ 2026-10-02 13:31:58

○A108.163.199.1012017-08-18 → 2017-08-18 · 4 obs

○ 2016-12-09 12:38:52
● 2017-08-18 16:41:16
○ 2026-09-25 01:18:22
○ 2026-10-02 13:31:58

○A108.179.230.322016-04-09 → 2016-12-09 · 5 obs

○ 2016-01-19 10:01:02
● 2016-04-09 14:36:42
● 2016-12-09 12:38:52
○ 2017-08-18 16:41:16
○ 2026-10-02 13:31:58

●A15.197.148.332026-09-25 → 2026-10-02 · 3 obs

○ 2017-08-18 16:41:16
● 2026-09-25 01:18:22
● 2026-10-02 13:31:58

●A3.33.130.1902026-09-25 → 2026-10-02 · 3 obs

○ 2017-08-18 16:41:16
● 2026-09-25 01:18:22
● 2026-10-02 13:31:58

○A50.87.193.702015-06-02 → 2016-01-19 · 5 obs

○ 2008-11-06 22:24:42
● 2015-06-02 13:54:38
● 2016-01-19 10:01:02
○ 2016-04-09 14:36:42
○ 2026-10-02 13:31:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
developmentknowledge.com	ns75.domaincontrol.com, ns76.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.75.48

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developmentknowledge.com (unsigned zone)

⏱️ Timing

Total: 981ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.33.130.190, 15.197.148.33`
NS	2	`ns75.domaincontrol.com, ns76.domaincontrol.com`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	2	`google-site-verification=sxbsaMa1rGownEx, v=spf1 include:dc-aa8e722993._spfm.devel`
SOA	1	`ns75.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns75.domaincontrol.com, ns75.domaincontrol.com, ns76.domaincontrol.com...)

Analysis

IP Addresses

developmentknowledge.com resolves to the IP addresses 3.33.130.190 and 15.197.148.33

Name Servers

developmentknowledge.com has two authoritative name servers — ns75.domaincontrol.com and ns76.domaincontrol.com.

Both ns75.domaincontrol.com and ns76.domaincontrol.com have two IP addresses each. ns75.domaincontrol.com resolves to 97.74.107.48 and 2603:5:21b4::30; ns76.domaincontrol.com resolves to 173.201.75.48 and 2603:5:22b4::30.

Mail Servers

developmentknowledge.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

Host names with two IP numbers:

aspmx.l.google.com resolves to 142.251.111.27 and 2607:f8b0:4004:c21::1b.

alt1.aspmx.l.google.com resolves to 192.178.234.27 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1b.

developmentknowledge.com - robtex.com