cyagent.com.tw - robtex.com
cyagent.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=2006382674 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns.twmail.org2015-08-13 → 2026-07-16 · 2 obs
● 2026-07-16 23:31:44
●NSdns2.twmail.org2015-08-13 → 2026-07-16 · 2 obs
● 2026-07-16 23:31:44
●MXntvirus.url.com.tw2015-08-13 → 2026-07-16 · 2 obs
● 2026-07-16 23:31:44
●MXntvirus2.url.com.tw2015-08-13 → 2026-07-16 · 2 obs
● 2026-07-16 23:31:44
●A210.59.228.2092015-08-13 → 2026-07-16 · 2 obs
● 2026-07-16 23:31:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | h.twnic.net.tw, f.twnic.net.tw, c.twnic.net.tw, g.twnic.net.tw... | - |
| cyagent.com.tw | dns2.twmail.org, dns.twmail.org | - |
✅ Authoritative Response
Server:210.59.228.119
NS records: dns2.twmail.org, dns.twmail.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 1443ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.59.228.209 |
| NS | 2 | dns2.twmail.org, dns.twmail.org |
| MX | 2 | ntvirus.url.com.tw (pri: 10), ntvirus2.url.com.tw (pri: 10) |
| TXT | 2 | google-site-verification=tNTCcoFY2DMhJPE, v=spf1 a mx ip4:210.59.228.0/24 ip4:210. |
| SOA | 1 | dns.twmail.org admin.corp.url.com.tw |
Analysis
IP Addresses
cyagent.com.tw resolves to one IP address: 210.59.228.209.
klongtech.com.tw, nikka-bm.com.tw, dentwell.com.tw and two other host names share IP numbers with cyagent.com.tw.
Name Servers
cyagent.com.tw has two authoritative name servers — dns2.twmail.org and dns.twmail.org.
cyagent.com.tw uses the same name servers as several other domains — among them conalife.twmail.net, changyu.com.tw, yungwei.url.tw and two more.
Both dns2.twmail.org and dns.twmail.org have two IP addresses each. dns2.twmail.org resolves to 211.72.204.250 and 2001:b034:201:400:211:72:204:250; dns.twmail.org resolves to 210.59.228.119 and 2001:b034:1:800:210:59:228:119.
Mail Servers
Mail for cyagent.com.tw is handled by two mail servers — ntvirus2.url.com.tw and ntvirus.url.com.tw.
cyagent.com.tw uses an identical mail server configuration to several other domains — among them chuyeuan.com.tw, becc.com.tw, ktec.url.tw and two more.
cyagent.com.tw overlaps on mail servers with certain other domains, ticc.org.tw among them.
Both ntvirus2.url.com.tw and ntvirus.url.com.tw resolve to four IP addresses: ntvirus2.url.com.tw points to 210.59.228.117, 210.59.228.172, 210.59.228.173 and 210.59.228.178 while ntvirus.url.com.tw resolves to 210.59.228.117, 210.59.228.172, 210.59.228.173 and 210.59.228.178.
The host names ntvirus2.url.com.tw and ntvirus.url.com.tw both resolve to 210.59.228.117 IP addresses.
The host names ntvirus2.url.com.tw and ntvirus.url.com.tw both resolve to 210.59.228.172 IP addresses.
The host names ntvirus2.url.com.tw and ntvirus.url.com.tw both resolve to 210.59.228.173 IP addresses.
The host names ntvirus2.url.com.tw and ntvirus.url.com.tw both resolve to 210.59.228.178 IP addresses.