cyan.com.tw - robtex.com
cyan.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=2006392153 | ||||||
Same first word
Similar names
DNS History
11 records (8 active, 3 former)
○NSadmns1.hinet.net2018-05-09 → 2018-05-09 · 3 obs
○ 2026-08-07 20:10:28
○ 2026-08-15 00:12:08
○NSadmns2.hinet.net2018-05-09 → 2018-05-09 · 3 obs
○ 2026-08-07 20:10:28
○ 2026-08-15 00:12:08
●NSm.coowo.com2026-08-07 → 2026-08-15 · 3 obs
● 2026-08-07 20:10:28
● 2026-08-15 00:12:08
●NSn.coowo.com2026-08-07 → 2026-08-15 · 3 obs
● 2026-08-07 20:10:28
● 2026-08-15 00:12:08
●MXalt1.aspmx.l.google.com2018-05-09 → 2026-08-15 · 2 obs
● 2026-08-15 00:12:08
●MXalt2.aspmx.l.google.com2018-05-09 → 2026-08-15 · 2 obs
● 2026-08-15 00:12:08
●MXalt3.aspmx.l.google.com2018-05-09 → 2026-08-15 · 2 obs
● 2026-08-15 00:12:08
●MXalt4.aspmx.l.google.com2018-05-09 → 2026-08-15 · 2 obs
● 2026-08-15 00:12:08
●MXaspmx.l.google.com2018-05-09 → 2026-08-15 · 2 obs
● 2026-08-15 00:12:08
●A103.144.32.852026-08-07 → 2026-08-15 · 3 obs
● 2026-08-07 20:10:28
● 2026-08-15 00:12:08
○A61.221.12.122018-05-09 → 2018-05-09 · 3 obs
○ 2026-08-07 20:10:28
○ 2026-08-15 00:12:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | a.twnic.net.tw, g.twnic.net.tw, b.twnic.net.tw, d.twnic.net.tw... | - |
| cyan.com.tw | m.coowo.com, n.coowo.com | - |
✅ Authoritative Response
Server:103.118.24.13
NS records: m.coowo.com, n.coowo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 1487ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.144.32.85 |
| NS | 2 | n.coowo.com, m.coowo.com |
| MX | 5 | alt3.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | n.coowo.com eason\.duan.cyan.com.tw |
Analysis
IP Addresses
cyan.com.tw resolves to just one IP address, 103.144.32.85.
Two other host names, along with mail.atci.com.tw, mail.taect.org.tw and ancert.com.tw, also share IP numbers with cyan.com.tw.
Name Servers
The NS records for cyan.com.tw delegate to m.coowo.com and n.coowo.com.
cyan.com.tw shares its NS records with other domains, for example ampletec.com.tw, n9s.com, hsui.com.tw and two others.
cyan.com.tw and other domains like quarton.com, dingsmart.com.tw and haus.com.tw share some name servers
These name servers frequently co-occur with the name servers ns3.coowo.com and ns4.coowo.com.
m.coowo.com → 103.118.24.13 and n.coowo.com → 103.118.24.133: one IP number per host name.
Mail Servers
cyan.com.tw has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between cyan.com.tw and other domains, including searchdisplay.rs, ns500759.ns500759.ns500759.ns500758.ns500758.ns500698.ns500735.ns500735.ns500735.ns500708.ns500708.ns500576.ns500652.trackreceptor.com, foodreadysupport.pro and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
The A records for aspmx.l.google.com return 173.194.45.26 and 2607:f8b0:4004:c23::1a.
The A records for alt1.aspmx.l.google.com return 192.178.234.27 and 2800:3f0:4003:c14::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.
The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1a.
The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.