`knowledge-base.biz`

DNSSEC	⚠️ Not signed
NS	`ns1.upress.io` ⭐
		A	185.131.147.3^{🇮🇱 upress-drb185.131.147.0/24}
NS	`ns2.upress.io`
		A	88.218.116.242^{🇮🇱 upress-drb88.218.116.0/24}
SOA	`ns1.upress.io`hostmaster@knowledge-base.biz 2026-04-18 #0

`biz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld.biz` ⭐
	NS	`b.gtld.biz`
	NS	`c.gtld.biz`
	NS	`m.gtld.biz`
	NS	`n.gtld.biz`
	NS	`w.gtld.biz`
	NS	`x.gtld.biz`
	NS	`y.gtld.biz`
	SOA	`a.gtld.biz`admin@tldns.godaddy serial=1777016946

Same first word

knowledge-base.biz

knowledge-base.at

knowledge-base.si

knowledge-base.bplaced.net

knowledge-base.com

knowledge-base.jp

knowledge-base.net

DNS History

3 records (2 active, 1 former)

●NSns1.upress.io2026-02-18 → 2026-04-24 · 2 obs

● 2026-02-18 22:26:42
● 2026-04-24 08:28:22

●NSns2.upress.io2026-02-18 → 2026-04-24 · 2 obs

● 2026-02-18 22:26:42
● 2026-04-24 08:28:22

○A192.116.146.152026-02-18 → 2026-04-24 · 2 obs

○ 2026-02-18 22:26:42
○ 2026-04-24 08:28:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
biz	c.gtld.biz, a.gtld.biz, b.gtld.biz, x.gtld.biz...	-
knowledge-base.biz	ns2.upress.io, ns1.upress.io	-

✅ Authoritative Response

Server:88.218.116.242

NS records: ns2.upress.io, ns1.upress.io

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge-base.biz (unsigned zone)

⏱️ Timing

Total: 566ms | Queries: -

📄 Records

Type	Count	Sample Data
SOA	1	`ns1.upress.io hostmaster.knowledge-base.`

Analysis

Name Servers

knowledge-base.biz is delegated to two name servers: ns1.upress.io and ns2.upress.io.

knowledge-base.biz shares the same name server setup as matkonli.co.il, hagor.com, speedy-dog.co.il, yanivdruker.com and web4all.co.il.

knowledge-base.biz at least partially shares name servers with other domains, for instance seamordiving.com, orproject.net, rimonim-medical.com, elsebyrangavrieli.com and shlomi.net.

These name servers are commonly used with ns1.upress.co.il and ns2.upress.co.il.

Host names with a single IP:

ns1.upress.io points to 185.131.147.3.

ns2.upress.io points to 88.218.116.242.

knowledge-base.biz - robtex.com