`knowledge-based.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	`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	`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`
TXT	`v=spf1 -all`
SOA	`ns2.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=1771291435

Subdomains

hostmaster.knowledge-based.com

Same first word

knowledge-based.com

DNS History

6 records (4 active, 2 former)

●NSns1.afternic.com2026-03-14 → 2026-03-17 · 2 obs

● 2026-03-14 21:20:46
● 2026-03-17 06:56:48

●NSns2.afternic.com2026-03-14 → 2026-03-17 · 2 obs

● 2026-03-14 21:20:46
● 2026-03-17 06:56:48

●A13.248.169.482026-03-14 → 2026-03-17 · 3 obs

○ 2017-05-18 05:04:28
● 2026-03-14 21:20:46
● 2026-03-17 06:56:48

○A207.148.248.1432015-10-10 → 2016-07-18 · 5 obs

○ 2015-05-23 22:43:46
● 2015-10-10 14:22:38
● 2016-07-18 09:10:04
○ 2017-05-18 05:04:28
○ 2026-03-17 06:56:48

○A66.151.181.492015-05-23 → 2015-05-23 · 3 obs

● 2015-05-23 22:43:46
○ 2015-10-10 14:22:38
○ 2026-03-17 06:56:48

●A76.223.54.1462026-03-14 → 2026-03-17 · 3 obs

○ 2017-05-18 05:04:28
● 2026-03-14 21:20:46
● 2026-03-17 06:56:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net...	-
knowledge-based.com	ns1.afternic.com, ns2.afternic.com	4 records

✅ Authoritative Response

Server: 97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge-based.com (unsigned zone)

⏱️ Timing

Total: 216ms | 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

Hierarchy

The parent of hostmaster.knowledge-based.com is knowledge-based.com.

IP Addresses

knowledge-based.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names such as blessthechild.com, mncplay.com, kck.us, potdeck.com and moronigomma.com share IPs with knowledge-based.com.

Name Servers

Two name servers ns1.afternic.com and ns2.afternic.com handle the delegation for knowledge-based.com.

knowledge-based.com shares the same name server setup as other domains, for example natlfinance.com, fright.net, nme.io, astroad.com and 21hr.com.

knowledge-based.com at least partially shares name servers with other domains, for example ffm.biz, cadelga.com, metromusicband.com, login-x.com and creativeholidaysindia.com.

these name servers are commonly used alongside verification-d3jclucsp89ganyqbydeny.ns101.verify.hn name servers.

Host names with two IP numbers:

ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69.

ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.

knowledge-based.com - robtex.com