linuxtech.cn - dns.ninja
linuxtech.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.239.115.22🇺🇸 HDHK38.239.112.0/20 | ||||||
| NS | a9.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b9.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1774695026 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034909971 | ||||||
Subdomains
www.linuxtech.cn |
Same first word
Similar names
DNS History
16 records (5 active, 11 former)
●NSa.share-dns.com2026-02-25 → 2026-06-12 · 3 obs
● 2026-02-25 14:49:24
● 2026-06-12 19:23:38
○NSa7.share-dns.com2026-02-25 → 2026-03-28 · 5 obs
● 2026-02-25 14:49:24
● 2026-03-28 09:53:24
○ 2026-06-12 19:23:34
○ 2026-06-12 19:23:38
●NSa9.share-dns.com2026-06-12 → 2026-06-12 · 3 obs
● 2026-06-12 19:23:34
● 2026-06-12 19:23:38
●NSb.share-dns.net2026-02-25 → 2026-06-12 · 3 obs
● 2026-02-25 14:49:24
● 2026-06-12 19:23:38
○NSb7.share-dns.net2026-02-25 → 2026-03-28 · 5 obs
● 2026-02-25 14:49:24
● 2026-03-28 09:53:24
○ 2026-06-12 19:23:34
○ 2026-06-12 19:23:38
●NSb9.share-dns.net2026-06-12 → 2026-06-12 · 3 obs
● 2026-06-12 19:23:34
● 2026-06-12 19:23:38
○NSns1.myhostadmin.net2015-06-29 → 2019-12-23 · 4 obs
● 2019-12-23 19:41:02
○ 2026-02-25 14:49:24
○ 2026-06-12 19:23:38
○NSns2.myhostadmin.net2015-06-29 → 2019-12-23 · 4 obs
● 2019-12-23 19:41:02
○ 2026-02-25 14:49:24
○ 2026-06-12 19:23:38
○NSns3.myhostadmin.net2015-06-29 → 2019-12-23 · 4 obs
● 2019-12-23 19:41:02
○ 2026-02-25 14:49:24
○ 2026-06-12 19:23:38
○NSns4.myhostadmin.net2015-06-29 → 2019-12-23 · 4 obs
● 2019-12-23 19:41:02
○ 2026-02-25 14:49:24
○ 2026-06-12 19:23:38
○NSns5.myhostadmin.net2015-06-29 → 2019-12-23 · 4 obs
● 2019-12-23 19:41:02
○ 2026-02-25 14:49:24
○ 2026-06-12 19:23:38
○NSns6.myhostadmin.net2015-06-29 → 2019-12-23 · 4 obs
● 2019-12-23 19:41:02
○ 2026-02-25 14:49:24
○ 2026-06-12 19:23:38
○MXmxbiz1.qq.com2019-12-23 → 2019-12-23 · 3 obs
○ 2026-02-25 14:49:24
○ 2026-06-12 19:23:38
○MXmxbiz2.qq.com2019-12-23 → 2019-12-23 · 3 obs
○ 2026-02-25 14:49:24
○ 2026-06-12 19:23:38
○A154.219.144.992026-02-25 → 2026-03-28 · 4 obs
● 2026-03-28 09:53:24
○ 2026-06-12 19:23:34
○ 2026-06-12 19:23:38
●A38.239.115.222026-06-12 → 2026-06-12 · 3 obs
● 2026-06-12 19:23:34
● 2026-06-12 19:23:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| linuxtech.cn | a9.share-dns.com, b9.share-dns.net | - |
✅ Authoritative Response
Server:172.64.53.25
NS records: a9.share-dns.com, b9.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxtech.cn (unsigned zone)
⏱️ Timing
Total: 2267ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.239.115.22 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
Analysis
Hierarchy
linuxtech.cn is the parent zone for www.linuxtech.cn.
IP Addresses
linuxtech.cn has exactly one IP address — 38.239.115.22.
Name Servers
linuxtech.cn is delegated to four name servers, a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.
linuxtech.cn partially shares its NS delegation with several other domains, including qinhui-led.com, juhuiyouxuan.com, jklled.com and two others.
In DNS configurations, these name servers often share authority with a10.share-dns.com, b10.share-dns.net, a3.share-dns.com and 7 other name servers.
a9.share-dns.com and a.share-dns.com share the IP address 172.64.53.25; b9.share-dns.net and b.share-dns.net share the IP address 172.64.52.239.
These two host names — a9.share-dns.com and a.share-dns.com — each point to 172.64.53.25 IP addresses.
These two host names — b9.share-dns.net and b.share-dns.net — each point to 172.64.52.239 IP addresses.