tdcom.cn - robtex.com
tdcom.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.250.200.167🇿🇦 POWERLINE-HK156.250.128.0/17 Digital Core Technology Co., 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=1784617687 | ||||||
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=2035083517 | ||||||
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
●NSa.share-dns.com2026-07-22 → 2026-07-24 · 3 obs
● 2026-07-22 10:25:20
● 2026-07-24 10:29:04
●NSa7.share-dns.com2026-07-22 → 2026-07-24 · 3 obs
● 2026-07-22 10:25:20
● 2026-07-24 10:29:04
●NSb.share-dns.net2026-07-22 → 2026-07-24 · 3 obs
● 2026-07-22 10:25:20
● 2026-07-24 10:29:04
●NSb7.share-dns.net2026-07-22 → 2026-07-24 · 3 obs
● 2026-07-22 10:25:20
● 2026-07-24 10:29:04
○NSdns25.hichina.com2015-08-21 → 2017-04-07 · 4 obs
● 2017-04-07 09:05:34
○ 2026-07-08 04:25:24
○ 2026-07-24 10:29:04
○NSdns26.hichina.com2015-08-21 → 2017-04-07 · 4 obs
● 2017-04-07 09:05:34
○ 2026-07-08 04:25:24
○ 2026-07-24 10:29:04
○NSexpirens3.hichina.com2026-06-30 → 2026-06-30 · 4 obs
● 2026-06-30 08:46:50
○ 2026-07-08 04:25:24
○ 2026-07-24 10:29:04
○NSexpirens4.hichina.com2026-06-30 → 2026-06-30 · 4 obs
● 2026-06-30 08:46:50
○ 2026-07-08 04:25:24
○ 2026-07-24 10:29:04
○MXmxn.mxhichina.com2015-08-21 → 2017-04-07 · 4 obs
● 2017-04-07 09:05:34
○ 2026-06-30 08:46:50
○ 2026-07-24 10:29:04
○MXmxw.mxhichina.com2015-08-21 → 2017-04-07 · 4 obs
● 2017-04-07 09:05:34
○ 2026-06-30 08:46:50
○ 2026-07-24 10:29:04
●A156.250.200.1672026-07-22 → 2026-07-24 · 2 obs
● 2026-07-24 10:29:04
○CNAMEexpired.hichina.com2026-06-30 → 2026-06-30 · 3 obs
○ 2026-07-08 04:25:24
○ 2026-07-24 10:29:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn... | - |
| tdcom.cn | 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 tdcom.cn (unsigned zone)
⏱️ Timing
Total: 273ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.250.200.167 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
Analysis
IP Addresses
tdcom.cn directs to one IP number, which is 156.250.200.167.
Name Servers
The domain tdcom.cn is delegated to these four name servers: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.
There is at least partial name server overlap between tdcom.cn and other domains — uwhere.net, zjdwjc.com, szsbt88.com and two more among them.
These name servers regularly appear alongside a6.share-dns.com, b6.share-dns.net, a12.share-dns.com and 7 other name servers in NS record sets.
Each of a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net has a single IP address — a7.share-dns.com and a.share-dns.com direct to 172.64.53.25, and b7.share-dns.net and b.share-dns.net direct to 172.64.52.239.
The host names a7.share-dns.com and a.share-dns.com both resolve to 172.64.53.25 IP addresses.
The host names b7.share-dns.net and b.share-dns.net both resolve to 172.64.52.239 IP addresses.