`knowledge-book.com`

DNSSEC

⚠️ Not signed

`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=1776194672

Previously MX for

knowledge-book.com

DNS History

4 records (0 active, 4 former)

○NSdns1.orbis.hr2015-07-18 → 2018-08-12 · 4 obs

● 2015-07-18 11:54:58
● 2018-08-12 13:45:00
○ 2026-03-09 19:25:10
○ 2026-04-14 19:39:44

○NSdns2.orbis.hr2015-07-18 → 2018-08-12 · 4 obs

● 2015-07-18 11:54:58
● 2018-08-12 13:45:00
○ 2026-03-09 19:25:10
○ 2026-04-14 19:39:44

○MXknowledge-book.com2015-07-18 → 2018-08-12 · 4 obs

● 2015-07-18 11:54:58
● 2018-08-12 13:45:00
○ 2026-03-09 19:25:10
○ 2026-04-14 19:39:44

○A144.76.24.2122015-07-18 → 2018-08-12 · 4 obs

● 2015-07-18 11:54:58
● 2018-08-12 13:45:00
○ 2026-03-09 19:25:10
○ 2026-04-14 19:39:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-

✅ Authoritative Response

Server:192.33.14.30

NS records: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 229ms | Queries: -

📄 Records

Type	Count	Sample Data

knowledge-book.com - robtex.com