`jzbedu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:eac^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:a017^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.14.172^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.160.23^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`miki.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miki.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`miki.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`miki.ns.cloudflare.com`
		A	108.162.192.202^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miki.ns.cloudflare.com`
		A	172.64.32.202^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miki.ns.cloudflare.com`
		A	173.245.58.202^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miki.ns.cloudflare.com`
NS	`ricardo.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ricardo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ricardo.ns.cloudflare.com`
		A	108.162.195.211^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	162.159.44.211^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	172.64.35.211^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.14.172, 172.67.160.23
		IPv6 hints	2606:4700:3030::6815:eac, 2606:4700:3031::ac43:a017
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com
SOA	`miki.ns.cloudflare.com`dns@cloudflare.com serial=2399986047

`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=1777117716

Same first word

jzbedu.com

DNS History

18 records (6 active, 12 former)

○NSjuming.dnsdun.com2016-09-25 → 2017-04-24 · 5 obs

○ 2015-10-17 23:16:58
● 2016-09-25 00:22:54
● 2017-04-24 20:17:06
○ 2026-02-20 10:48:56
○ 2026-04-25 11:52:02

○NSjuming.dnsdun.net2016-09-25 → 2017-04-24 · 5 obs

○ 2015-10-17 23:16:58
● 2016-09-25 00:22:54
● 2017-04-24 20:17:06
○ 2026-02-20 10:48:56
○ 2026-04-25 11:52:02

●NSmiki.ns.cloudflare.com2026-04-25 → 2026-04-25 · 2 obs

○ 2026-02-20 10:48:56
● 2026-04-25 11:52:02

○NSns1.51dns.com2015-04-29 → 2015-10-17 · 4 obs

● 2015-04-29 18:31:56
● 2015-10-17 23:16:58
○ 2016-09-25 00:22:54
○ 2026-04-25 11:52:02

○NSns1.judns.com2026-02-20 → 2026-02-20 · 3 obs

○ 2017-04-24 20:17:06
● 2026-02-20 10:48:56
○ 2026-04-25 11:52:02

○NSns1.julydns.com2026-02-20 → 2026-02-20 · 3 obs

○ 2017-04-24 20:17:06
● 2026-02-20 10:48:56
○ 2026-04-25 11:52:02

○NSns2.51dns.com2015-10-17 → 2015-10-17 · 4 obs

○ 2015-04-29 18:31:56
● 2015-10-17 23:16:58
○ 2016-09-25 00:22:54
○ 2026-04-25 11:52:02

○NSns2.judns.com2026-02-20 → 2026-02-20 · 3 obs

○ 2017-04-24 20:17:06
● 2026-02-20 10:48:56
○ 2026-04-25 11:52:02

○NSns2.julydns.com2026-02-20 → 2026-02-20 · 3 obs

○ 2017-04-24 20:17:06
● 2026-02-20 10:48:56
○ 2026-04-25 11:52:02

●NSricardo.ns.cloudflare.com2026-04-25 → 2026-04-25 · 2 obs

○ 2026-02-20 10:48:56
● 2026-04-25 11:52:02

●A104.21.14.1722026-04-25 → 2026-04-25 · 2 obs

○ 2026-02-20 10:48:56
● 2026-04-25 11:52:02

○A107.149.177.262015-04-29 → 2015-04-29 · 3 obs

● 2015-04-29 18:31:56
○ 2026-02-20 10:48:56
○ 2026-04-25 11:52:02

●A172.67.160.232026-04-25 → 2026-04-25 · 2 obs

○ 2026-02-20 10:48:56
● 2026-04-25 11:52:02

○A23.27.233.992016-09-25 → 2017-04-24 · 5 obs

○ 2015-04-29 18:31:56
● 2016-09-25 00:22:54
● 2017-04-24 20:17:06
○ 2026-02-20 10:48:56
○ 2026-04-25 11:52:02

●A2606:4700:3030::6815:eac2026-04-25 → 2026-04-25 · 2 obs

○ 2026-02-20 10:48:56
● 2026-04-25 11:52:02

●A2606:4700:3031::ac43:a0172026-04-25 → 2026-04-25 · 2 obs

○ 2026-02-20 10:48:56
● 2026-04-25 11:52:02

○A47.76.204.682026-02-20 → 2026-02-20 · 3 obs

○ 2017-04-24 20:17:06
● 2026-02-20 10:48:56
○ 2026-04-25 11:52:02

○CNAME404.dnsdun.com2016-01-14 → 2016-01-14 · 3 obs

● 2016-01-14 20:06:18
○ 2016-09-25 00:22:54
○ 2026-04-25 11:52:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
jzbedu.com	miki.ns.cloudflare.com, ricardo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.211

NS records: miki.ns.cloudflare.com, ricardo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jzbedu.com (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.160.23, 104.21.14.172`
AAAA	2	`2606:4700:3031::ac43:a017, 2606:4700:3030::6815:eac`
NS	2	`miki.ns.cloudflare.com, ricardo.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`miki.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (miki.ns.cloudflare.com, miki.ns.cloudflare.com, miki.ns.cloudflare.com...)

Analysis

IP Addresses

jzbedu.com refers to four IP numbers: 2606:4700:3030::6815:eac, 2606:4700:3031::ac43:a017, 104.21.14.172 and 172.67.160.23.

Other host names, for instance edizioniilciliegio.it, blogify.se, resilienthousing.net, www.acompanhantesrj.com and pafipcteminabuan.org share IP numbers with jzbedu.com.

Name Servers

jzbedu.com's delegation uses two name servers: miki.ns.cloudflare.com and ricardo.ns.cloudflare.com.

jzbedu.com uses the same name server setup as other domains, such as fydzl.com, qqfmw.com, design-build.space, kenilanbo.com and lwmtb.com.

jzbedu.com at least partially shares name servers with other domains, including kk837.com, rayo.co.il, mk5959.com, 38.143.156.in-addr.arpa and sscfpd.org.

These name servers are commonly used with austin.ns.cloudflare.com, mia.ns.cloudflare.com and kurt.ns.cloudflare.com.

Host names with six IP numbers:

miki.ns.cloudflare.com points to 2606:4700:50::adf5:3aca, 2803:f800:50::6ca2:c0ca, 2a06:98c1:50::ac40:20ca, 108.162.192.202, 172.64.32.202 and 173.245.58.202.

ricardo.ns.cloudflare.com points to 2606:4700:58::a29f:2cd3, 2803:f800:50::6ca2:c3d3, 2a06:98c1:50::ac40:23d3, 108.162.195.211, 162.159.44.211 and 172.64.35.211.

jzbedu.com - robtex.com

jzbedu.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`jzbedu.com`

`com`