tzfcw.com - robtex.com
tzfcw.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.129.229.25🇨🇳 Alibaba-Cloud139.129.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | ns11.bigwww.com ⭐ | ||||||
| A | 2408:4009:501::9🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| NS | ns12.bigwww.com | ||||||
| A | 2408:4009:501::10🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| SOA | ns11.bigwww.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
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=1774456827 | ||||||
Same first word
tzfcw.com |
Similar names
DNS History
8 records (3 active, 5 former)
○NSns1.bigwww.com2008-03-18 → 2008-03-18 · 3 obs
○ 2015-09-02 08:45:26
○ 2026-03-25 17:04:38
●NSns11.bigwww.com2015-09-02 → 2026-03-25 · 3 obs
● 2015-09-02 08:45:26
● 2026-03-25 17:04:38
●NSns12.bigwww.com2026-03-04 → 2026-03-25 · 3 obs
● 2026-03-04 12:26:48
● 2026-03-25 17:04:38
○NSns2.bigwww.com2008-03-18 → 2008-03-18 · 3 obs
○ 2015-09-02 08:45:26
○ 2026-03-25 17:04:38
○A103.232.215.1342016-09-11 → 2016-09-11 · 4 obs
● 2016-09-11 04:40:30
○ 2016-12-28 03:02:48
○ 2026-03-25 17:04:38
●A139.129.229.252016-12-28 → 2026-03-25 · 3 obs
● 2016-12-28 03:02:48
● 2026-03-25 17:04:38
○A222.45.194.962015-09-02 → 2016-05-29 · 5 obs
● 2015-09-02 08:45:26
● 2016-05-29 09:41:34
○ 2016-09-11 04:40:30
○ 2026-03-25 17:04:38
○A222.45.21.82008-03-18 → 2008-03-18 · 3 obs
○ 2015-09-02 08:45:26
○ 2026-03-25 17:04:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| tzfcw.com | ns11.bigwww.com, ns12.bigwww.com | 6 records |
✅ Authoritative Response
Server:39.96.153.43
NS records: ns11.bigwww.com, ns12.bigwww.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tzfcw.com (unsigned zone)
⏱️ Timing
Total: 738ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.129.229.25 |
| NS | 2 | ns12.bigwww.com, ns11.bigwww.com |
| SOA | 1 | ns11.bigwww.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns11.bigwww.com, ns11.bigwww.com, ns11.bigwww.com...)
Analysis
IP Addresses
tzfcw.com points to a single IP number: 139.129.229.25.
Name Servers
tzfcw.com is delegated to two name servers: ns11.bigwww.com and ns12.bigwww.com.
tzfcw.com shares the same name server setup as other domains, for example dlcf.org.cn, hemeish.com, oeinf.com, jiaheedu.com and ershouwang.net.
tzfcw.com at least partially shares name servers with other domains, for instance czgfw.com, zjwstong.cn, magento.cn, jutrip.com and carskin.cn.
These name servers are commonly used with the name servers ns13.bigwww.com, ns14.bigwww.com, ns15.bigwww.com, ns16.bigwww.com, ens11.bigwww.com, ens12.bigwww.com, ns7.alidns.com, ns8.alidns.com and dns13.hichina.com.
Host names with three IP numbers:
ns11.bigwww.com points to: 2408:4009:501::9, 39.96.153.43 and 47.118.199.203.
ns12.bigwww.com points to: 2408:4009:501::10, 120.76.107.43 and 139.224.142.113.