🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledgeoptimization.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.afternic.com` ⭐
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`ns2.afternic.com`
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
NS	`verification-cukmqwnkpi6booqjwnxbfw.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
TXT	`v=spf1 -all`
SOA	`ns1.afternic.com`dns@jomax.net 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=1794425181

Same first word

knowledgeoptimization.com

Previous names

Next names

DNS History

16 records (5 active, 11 former)

●NSns1.afternic.com2026-11-09 → 2026-11-11 · 3 obs

○ 2018-08-01 14:10:06
● 2026-11-09 05:34:44
● 2026-11-11 20:14:28

●NSns2.afternic.com2026-11-09 → 2026-11-11 · 3 obs

○ 2018-08-01 14:10:06
● 2026-11-09 05:34:44
● 2026-11-11 20:14:28

○NSns73.domaincontrol.com2018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

○NSns74.domaincontrol.com2018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

●NSverification-cukmqwnkpi6booqjwnxbfw.ns101.verify.hn2026-11-09 → 2026-11-11 · 3 obs

○ 2018-08-01 14:10:06
● 2026-11-09 05:34:44
● 2026-11-11 20:14:28

●A13.248.169.482026-11-09 → 2026-11-11 · 3 obs

○ 2018-08-01 14:10:06
● 2026-11-09 05:34:44
● 2026-11-11 20:14:28

○A184.168.221.342018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

○A184.168.221.422018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

○A184.168.221.432018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

○A184.168.221.482018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

○A184.168.221.592018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

○A184.168.221.632018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

○A50.63.202.352018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

○A50.63.202.532018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

○A50.63.202.572018-08-01 → 2018-08-01 · 3 obs

● 2018-08-01 14:10:06
○ 2026-11-09 05:34:44
○ 2026-11-11 20:14:28

●A76.223.54.1462026-11-09 → 2026-11-11 · 3 obs

○ 2018-08-01 14:10:06
● 2026-11-09 05:34:44
● 2026-11-11 20:14:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net...	-
knowledgeoptimization.com	ns1.afternic.com, ns2.afternic.com, verification-cukmqwnkpi6booqjwnxbfw.ns101.verify.hn	4 records

✅ Authoritative Response

Server:97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com, verification-cukmqwnkpi6booqjwnxbfw.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgeoptimization.com (unsigned zone)

⏱️ Timing

Total: 3971ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

knowledgeoptimization.com points to the IP addresses 13.248.169.48 and 76.223.54.146

Two other host names, along with bentorag.xyz, yqei.xyz and yifyapp.xyz, also share IP numbers with knowledgeoptimization.com.

Name Servers

The authoritative name servers for knowledgeoptimization.com are ns1.afternic.com, ns2.afternic.com and verification-cukmqwnkpi6booqjwnxbfw.ns101.verify.hn — three in total.

The name servers of knowledgeoptimization.com overlap at least partially with those of other domains — among them troco.com, agnis.xyz, understanding.io and two more.

These name servers commonly appear in combination with the name servers verification-m3erh32ujyoastvophjvuz.ns101.verify.hn.

ns1.afternic.com, ns2.afternic.com and verification-cukmqwnkpi6booqjwnxbfw.ns101.verify.hn all resolve to exactly two IP numbers apiece: ns1.afternic.com → 97.74.98.69 and 2603:5:2126::45; ns2.afternic.com → 173.201.66.69 and 2603:5:2226::45; verification-cukmqwnkpi6booqjwnxbfw.ns101.verify.hn → 13.248.169.48 and 76.223.54.146.

knowledgeoptimization.com - robtex.com