jzktedu.com - robtex.com
jzktedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.64.253.33🇺🇸 IT-164.64.252.0/22 AS25820 | ||||||
| PTR | 64.64.253.33.16clouds.com | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1780856290 | ||||||
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.netnstld@verisign-grs.com serial=1781655190 | ||||||
rank #389630 in the tld
Same first word
jzktedu.com |
DNS History
7 records (5 active, 2 former)
○NSdns25.hichina.com2019-12-16 → 2019-12-16 · 3 obs
○ 2026-06-12 19:49:20
○ 2026-06-17 00:33:36
○NSdns26.hichina.com2019-12-16 → 2019-12-16 · 3 obs
○ 2026-06-12 19:49:20
○ 2026-06-17 00:33:36
●NSns1.judns.com2026-06-12 → 2026-06-17 · 3 obs
● 2026-06-12 19:49:20
● 2026-06-17 00:33:36
●NSns1.julydns.com2026-06-12 → 2026-06-17 · 3 obs
● 2026-06-12 19:49:20
● 2026-06-17 00:33:36
●NSns2.judns.com2026-06-12 → 2026-06-17 · 3 obs
● 2026-06-12 19:49:20
● 2026-06-17 00:33:36
●NSns2.julydns.com2026-06-12 → 2026-06-17 · 3 obs
● 2026-06-12 19:49:20
● 2026-06-17 00:33:36
●A64.64.253.332026-06-12 → 2026-06-17 · 2 obs
● 2026-06-17 00:33:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net... | - |
| jzktedu.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jzktedu.com (unsigned zone)
⏱️ Timing
Total: 285ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.64.253.33 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
IP Addresses
jzktedu.com resolves to just one IP address, 64.64.253.33.
Two other host names, along with uo83.com, pgcs888.com and 97bj.com, also share IP numbers with jzktedu.com.
Name Servers
The NS records for jzktedu.com point to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
jzktedu.com partially shares its NS delegation with several other domains, including sx-gd.org.cn, lewujx.com, scottyhardtrust.com and two others.
These name servers are regularly seen alongside ns1.onclouddns.com and ns2.onclouddns.com as name servers.
ns1.judns.com resolves to 162.159.27.251, as does ns2.judns.com. ns1.julydns.com resolves to 162.159.48.223, as does ns2.julydns.com.
These two host names — ns1.judns.com and ns2.judns.com — each point to 162.159.27.251 IP addresses.
These two host names — ns1.julydns.com and ns2.julydns.com — each point to 162.159.48.223 IP addresses.