u203.com - robtex.com
u203.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.199.243.206🇹🇼 TFN-NET60.199.243.0/24 Taiwan Fixed Network | ||||||
| PTR | 60-199-243-206.static.tfn.net.tw | ||||||
| NS | dns1.f1.com.tw ⭐ ⚠️ Not in parent delegation | ||||||
| A | 218.32.213.234🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp234.f1.com.tw | ||||||
| NS | dns2.f1.com.tw ⚠️ Not in parent delegation | ||||||
| A | 220.228.6.17🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| NS | ns1.oknet.tw ⚠️ Not in zone NS records | ||||||
| A | 220.228.6.98🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | ip-220-228-6-98.defastlink.net | ||||||
| NS | ns2.oknet.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.210.66🇹🇼 NCIC-TW218.32.210.0/24 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | ip-218-32-210-66.defastlink.net | ||||||
| MX | u203.com ⭐ | ||||||
| A | 60.199.243.206🇹🇼 TFN-NET60.199.243.0/24 Taiwan Fixed Network | ||||||
| PTR | 60-199-243-206.static.tfn.net.tw | ||||||
| MX | www.u203.com(14) | ||||||
| A | 60.199.243.206🇹🇼 TFN-NET60.199.243.0/24 Taiwan Fixed Network | ||||||
| PTR | 60-199-243-206.static.tfn.net.tw | ||||||
| SOA | dns1.f1.com.twohgo@ms23.hinet.net 2000-11-01 #8 | ||||||
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=1776253652 | ||||||
MX for
u203.com |
Subdomains
www.u203.com |
Same first word
u203.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.oknet.tw2026-04-10 → 2026-04-15 · 3 obs
● 2026-04-10 19:34:46
● 2026-04-15 12:06:06
●NSns2.oknet.tw2026-04-10 → 2026-04-15 · 3 obs
● 2026-04-10 19:34:46
● 2026-04-15 12:06:06
●MXu203.com2015-05-27 → 2026-04-15 · 2 obs
● 2026-04-15 12:06:06
●MXwww.u203.com2015-05-27 → 2026-04-15 · 2 obs
● 2026-04-15 12:06:06
●A60.199.243.2062015-05-27 → 2026-04-15 · 2 obs
● 2026-04-15 12:06:06
🔍 DNS Trace
Analysis
Hierarchy
u203.com is the parent of www.u203.com.
Mail Server Role
For u203.com, the mail server is u203.com.
www.u203.com is a common mail server alongside u203.com.
IP Addresses
u203.com points to a single IP number: 60.199.243.206.
other host names for instance momo-789.com, f183.info, www.u950.com, king117.com and 52176-ioshow.com share IP numbers with u203.com.
Name Servers
u203.com is delegated to four name servers: ns1.oknet.tw, ns2.oknet.tw, dns1.f1.com.tw and dns2.f1.com.tw.
u203.com at least partially shares name servers with other domains, for instance 383-show.com, ioshow.net, av970.com, momo-191.com and zkt3.com.
These name servers are commonly used with sp234.f1.com.tw, ns1.icstock.com.tw, ns2.icstock.com.tw and sf243.f1.com.tw.
Host names with one IP number:
ns1.oknet.tw points to 220.228.6.98
ns2.oknet.tw points to 218.32.210.66
dns1.f1.com.tw points to 218.32.213.234
dns2.f1.com.tw points to 220.228.6.17
Mail Servers
Two mail servers handle u203.com: u203.com and www.u203.com.
Host names with a single IP number:
u203.com points to 60.199.243.206 and www.u203.com points to 60.199.243.206.
Host names that point to 60.199.243.206: u203.com and www.u203.com.