sinotact.com - dns.ninja
sinotact.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.39.237.128🇹🇼 HiNet202.39.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | sinotact.com | ||||||
| NS | localhost ⭐ | ||||||
| NS | dns1.tisnet.net.tw | ||||||
| A | 139.223.200.137🇹🇼 TISNET139.223.200.0/24 Far Eastone Telecommunications Co., Ltd | ||||||
| PTR | dns1.tisnet.net.tw | ||||||
| NS | dns2.tisnet.net.tw | ||||||
| A | 139.223.200.177🇹🇼 TISNET139.223.200.0/24 Far Eastone Telecommunications Co., Ltd | ||||||
| PTR | dns2.tisnet.net.tw | ||||||
| NS | dns3.tisnet.net.tw | ||||||
| A | 207.46.144.168🇭🇰 Microsoft207.46.128.0/17 MICROSOFT | ||||||
| MX | mail.sinotact.com ⭐ | ||||||
| A | 202.39.237.128🇹🇼 HiNet202.39.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | sinotact.com | ||||||
| TXT | v=spf1 mx a ip4:202.39.237.128 ip4:202.39.237.129 ip4:168.95.4.150 ip4:168.95... | ||||||
| SOA | localhostroot@localhost 2026-07-22 #1 | ||||||
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=1786163614 | ||||||
PTR for
Subdomains
mail.sinotact.com |
Same first word
sinotact.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns1.tisnet.net.tw2018-06-26 → 2026-08-08 · 2 obs
● 2026-08-08 04:50:24
●NSdns2.tisnet.net.tw2018-06-26 → 2026-08-08 · 2 obs
● 2026-08-08 04:50:24
●NSdns3.tisnet.net.tw2018-06-26 → 2026-08-08 · 2 obs
● 2026-08-08 04:50:24
●NSlocalhost2018-06-26 → 2026-08-08 · 2 obs
● 2026-08-08 04:50:24
●MXmail.sinotact.com2018-06-26 → 2026-08-08 · 2 obs
● 2026-08-08 04:50:24
●A202.39.237.1282018-06-26 → 2026-08-08 · 2 obs
● 2026-08-08 04:50:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net... | - |
| sinotact.com | dns1.tisnet.net.tw, dns2.tisnet.net.tw, dns3.tisnet.net.tw | - |
✅ Authoritative Response
Server:139.223.200.137
NS records: dns1.tisnet.net.tw, dns2.tisnet.net.tw, dns3.tisnet.net.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sinotact.com (unsigned zone)
⏱️ Timing
Total: 2205ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.39.237.128 |
| NS | 3 | dns1.tisnet.net.tw, dns3.tisnet.net.tw... |
| MX | 1 | mail.sinotact.com (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:202.39.237.128 ip4:202.3 |
| SOA | 1 | localhost root.localhost |
Analysis
Hierarchy
mail.sinotact.com is delegated beneath sinotact.com.
IP Addresses
sinotact.com resolves to one IP address: 202.39.237.128.
mail.sinotact.com is an example of another host name that shares IP numbers with sinotact.com.
Name Servers
The authoritative name servers for sinotact.com are localhost, dns1.tisnet.net.tw, dns2.tisnet.net.tw and dns3.tisnet.net.tw.
There is at least partial name server overlap between sinotact.com and other domains — phim(0x736578)nhatban.monster, chengjen.com.tw, sise.tw and two more among them.
These name servers frequently co-occur with the name servers ns1.ee.net and ns2.ee.net.
Each of the three hostnames points to exactly one IP address: dns1.tisnet.net.tw points to 139.223.200.137, dns2.tisnet.net.tw points to 139.223.200.177 and dns3.tisnet.net.tw points to 207.46.144.168.
Mail Servers
Mail for sinotact.com is handled by a single mail server, mail.sinotact.com.
mail.sinotact.com points to one IP number — 202.39.237.128.