itzhengshu.com - robtex.com
itzhengshu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.160.32.62🇨🇳 CHINATELECOM-Fujian-Quanzhou-IDC1220.160.32.0/20 IDC FUJIAN PROVINCE NETWORK | ||||||
| PTR | 62.32.160.220.broad.fz.fj.dynamic.163data.com.cn | ||||||
| PTR | 62.32.160.220.broad.xm.fj.dynamic.163data.com.cn | ||||||
| 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=1754283690 | ||||||
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=1785734682 | ||||||
Subdomains
www.itzhengshu.com |
Same first word
itzhengshu.com |
Similar names
DNS History
9 records (5 active, 4 former)
○NSf1g1ns1.dnspod.net2015-05-24 → 2017-12-12 · 4 obs
● 2017-12-12 01:22:36
○ 2026-07-12 19:41:38
○ 2026-08-03 05:44:34
○NSf1g1ns2.dnspod.net2015-10-30 → 2017-12-12 · 5 obs
● 2015-10-30 12:47:10
● 2017-12-12 01:22:36
○ 2026-07-12 19:41:38
○ 2026-08-03 05:44:34
●NSns1.judns.com2026-07-12 → 2026-08-03 · 3 obs
● 2026-07-12 19:41:38
● 2026-08-03 05:44:34
●NSns1.julydns.com2026-07-12 → 2026-08-03 · 3 obs
● 2026-07-12 19:41:38
● 2026-08-03 05:44:34
●NSns2.judns.com2026-07-12 → 2026-08-03 · 3 obs
● 2026-07-12 19:41:38
● 2026-08-03 05:44:34
●NSns2.julydns.com2026-07-12 → 2026-08-03 · 3 obs
● 2026-07-12 19:41:38
● 2026-08-03 05:44:34
○MXmxdomain.qq.com2015-10-30 → 2017-12-12 · 4 obs
● 2017-12-12 01:22:36
○ 2026-07-12 19:41:38
○ 2026-08-03 05:44:34
●A220.160.32.622026-07-12 → 2026-08-03 · 3 obs
● 2026-07-12 19:41:38
● 2026-08-03 05:44:34
○A58.64.181.552015-05-24 → 2017-12-12 · 4 obs
● 2017-12-12 01:22:36
○ 2026-07-12 19:41:38
○ 2026-08-03 05:44:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| itzhengshu.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 itzhengshu.com (unsigned zone)
⏱️ Timing
Total: 227ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.160.32.62 |
| 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
Hierarchy
itzhengshu.com is the parent zone for www.itzhengshu.com.
IP Addresses
itzhengshu.com resolves to just one IP address, 220.160.32.62.
itzhengshu.com shares its IP numbers with other host names like www.itzhengshu.com, m.fuzhuang114.com and ydpifa.com.
Name Servers
The NS records for itzhengshu.com point to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
itzhengshu.com partially shares its NS delegation with several other domains, including hbhaosikeji.com, mrfpzgs.cn, scorea.cn 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.
ns1.judns.com along with ns2.judns.com each resolve to 162.159.27.251 IP addresses.
ns1.julydns.com along with ns2.julydns.com each resolve to 162.159.48.223 IP addresses.