tjcysc.org - robtex.com
tjcysc.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.251.134.249🇺🇸 CNSERVERSLLC156.251.128.0/21 CenturyNetworks LTD | ||||||
| NS | a7.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 | b7.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=1772944634 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774563466 | ||||||
Subdomains
Same first word
Similar names
jccsty.com |
yctcjs.com |
jsyctc.com |
ytsjcc.com |
tsycjc.com |
jctycs.com |
csctyj.com |
scycjt.com |
sctyjc.com |
scjcty.com |
tcjysc.com |
yctsjc.com |
DNS History
9 records (5 active, 4 former)
●NSa.share-dns.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 22:33:42
●NSa7.share-dns.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 22:33:42
●NSb.share-dns.net2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 22:33:42
●NSb7.share-dns.net2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 22:33:42
○NStjlink2015-08-02 → 2017-03-20 · 3 obs
● 2017-03-20 12:13:20
○ 2026-03-26 22:33:42
○NStjlink.tjst.net2015-08-02 → 2017-03-20 · 3 obs
● 2017-03-20 12:13:20
○ 2026-03-26 22:33:42
○NStjnet.tisti.ac.cn2015-08-02 → 2015-08-02 · 3 obs
○ 2015-12-02 23:01:48
○ 2026-03-26 22:33:42
○MXmail.tjcysc.org2015-08-02 → 2017-03-20 · 3 obs
● 2017-03-20 12:13:20
○ 2026-03-26 22:33:42
●A156.251.134.2492026-03-26 → 2026-03-26 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| tjcysc.org | a7.share-dns.com, b7.share-dns.net | - |
✅ Authoritative Response
Server:172.64.53.25
NS records: a7.share-dns.com, b7.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tjcysc.org (unsigned zone)
⏱️ Timing
Total: 310ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.251.134.249 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
Analysis
Hierarchy
tjcysc.org is parent of mail.tjcysc.org and www.tjcysc.org.
IP Addresses
tjcysc.org points to a single IP: 156.251.134.249.
Other host names such as mail.tjcysc.org and www.tjcysc.org share IP numbers with tjcysc.org.
Name Servers
tjcysc.org is delegated to four name servers: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.
tjcysc.org at least partially shares its name servers with other domains, for instance amlled.com, zzsfjxc.com, ruanshuiji.cn, bjyiruiya.com and 72565.xyz.
These name servers are commonly used with a9.share-dns.com, b9.share-dns.net, a12.share-dns.com, b12.share-dns.net, a6.share-dns.com, b6.share-dns.net, a4.share-dns.com, b4.share-dns.net, a1.share-dns.com and b1.share-dns.net.
Host names with a single IP number:
The host names a7.share-dns.com and a.share-dns.com point to 172.64.53.25.
The host names b7.share-dns.net and b.share-dns.net point to 172.64.52.239.
Host names that point to 172.64.53.25: a7.share-dns.com and a.share-dns.com.
Host names that point to 172.64.52.239: b7.share-dns.net and b.share-dns.net.