tc99.com.tw - robtex.com
tc99.com.tw
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ ⚠️ Not in parent delegation | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | c.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | d.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | e.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | f.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | g.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | h.dns.tw ⚠️ Not in parent delegation | ||||||
| NS | h.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006337879 | ||||||
MX for
tc99.com.tw |
Subdomains
www.tc99.com.tw |
Same first word
tc99.com.tw |
Similar names
DNS History
11 records (7 active, 4 former)
●NSns1.potia.com2026-02-15 → 2026-03-27 · 3 obs
● 2026-02-15 20:18:34
● 2026-03-27 12:06:34
○NSns16.egoe.net2015-08-27 → 2017-12-23 · 4 obs
● 2017-12-23 18:30:34
○ 2026-02-15 20:18:34
○ 2026-03-27 12:06:34
○NSns17.egoe.net2015-08-27 → 2017-12-23 · 4 obs
● 2017-12-23 18:30:34
○ 2026-02-15 20:18:34
○ 2026-03-27 12:06:34
○NSns18.egoe.net2015-08-27 → 2017-12-23 · 4 obs
● 2017-12-23 18:30:34
○ 2026-02-15 20:18:34
○ 2026-03-27 12:06:34
●NSns2.potia.com2026-02-15 → 2026-03-27 · 3 obs
● 2026-02-15 20:18:34
● 2026-03-27 12:06:34
●NSta29.potia.com2026-02-15 → 2026-03-27 · 3 obs
● 2026-02-15 20:18:34
● 2026-03-27 12:06:34
●NSta30.potia.com2026-02-15 → 2026-03-27 · 3 obs
● 2026-02-15 20:18:34
● 2026-03-27 12:06:34
●MXtc99.com.tw2015-08-27 → 2026-03-27 · 2 obs
● 2026-03-27 12:06:34
●A2001:b031:8006:ff34::22026-02-15 → 2026-03-27 · 3 obs
● 2026-02-15 20:18:34
● 2026-03-27 12:06:34
○A210.61.2.92015-08-27 → 2017-12-23 · 4 obs
● 2017-12-23 18:30:34
○ 2026-02-15 20:18:34
○ 2026-03-27 12:06:34
●A61.221.12.122026-02-15 → 2026-03-27 · 3 obs
● 2026-02-15 20:18:34
● 2026-03-27 12:06:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| tc99.com.tw | ta29.potia.com, ta30.potia.com | - |
✅ Authoritative Response
Server:61.221.12.12
NS records: ta29.potia.com, ta30.potia.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tc99.com.tw (unsigned zone)
⏱️ Timing
Total: 1312ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.221.12.12 |
| AAAA | 1 | 2001:b031:8006:ff34::2 |
| NS | 2 | ns2.potia.com, ns1.potia.com |
| MX | 1 | tc99.com.tw (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:61.221.12.11 +ip4:61. |
| SOA | 1 | ns1.potia.com sales.serverzoo.com |
Analysis
Hierarchy
tc99.com.tw is the parent of www.tc99.com.tw.
Mail Server Role
tc99.com.tw serves as the mail server for tc99.com.tw.
IP Addresses
tc99.com.tw points to two IPs: 2001:b031:8006:ff34::2 and 61.221.12.12.
Other host names including 168boss.tw, ftp.rocaic.org, tauximakeup.com, dwsteel.com.tw and mail.truster.com.tw share IP numbers with tc99.com.tw.
Name Servers
tc99.com.tw is delegated to four name servers: ns1.potia.com, ns2.potia.com, ta29.potia.com and ta30.potia.com.
tc99.com.tw at least partially shares name servers with other domains, including texas.com.tw, 9423.com.tw, hcpack.com.tw, tenzyme.com.tw and my-mit.com.
These name servers are typically used together with the name servers ta5.potia.com, ta6.potia.com, ta85.potia.com, ta86.potia.com, ta137.potia.com, ta138.potia.com, ta11.potia.com, ta12.potia.com, ta10.potia.com and ta9.potia.com.
Host names with one IP number:
ns1.potia.com points to 61.221.12.11.
ns2.potia.com points to 61.221.12.12.
ta29.potia.com points to 61.221.12.11.
ta30.potia.com points to 61.221.12.12.
Host names pointing to 61.221.12.11: ns1.potia.com and ta29.potia.com.
Host names pointing to 61.221.12.12: ns2.potia.com and ta30.potia.com.
Mail Servers
A single mail server handles tc99.com.tw.
tc99.com.tw points to two IPs: 2001:b031:8006:ff34::2 and 61.221.12.12.