mail.ch-sys.com - robtex.com
mail.ch-sys.com
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 103.144.32.9๐น๐ผ NSS-GROUP-AS-TW103.144.32.0/24 NSS INT'L CO., LTD. | ||||||
| PTR | sp6.coowo.com | ||||||
ch-sys.com
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 103.144.32.9๐น๐ผ NSS-GROUP-AS-TW103.144.32.0/24 NSS INT'L CO., LTD. | ||||||
| NS | n.coowo.com โญ | ||||||
| NS | m.coowo.com | ||||||
| MX | mail.ch-sys.com โญ | ||||||
| TXT | v=spf1 a mx ip4:103.118.24.0/24 ip4:103.118.25.0/24 include:_spf.google.com i... | ||||||
| SOA | n.coowo.comchih\@mail.msa.hinet.net 2024-02-27 #2 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
โA103.144.32.92026-03-17 โ 2026-04-13 ยท 2 obs
โ 2026-03-17 22:54:00
โ 2026-04-13 11:21:00
โ 2026-04-13 11:21:00
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ch-sys.com | m.coowo.com, n.coowo.com | 2 records |
โ Authoritative Response
Server:103.118.24.133
NS records: m.coowo.com, n.coowo.com
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for ch-sys.com (unsigned zone)
โฑ๏ธ Timing
Total: 459ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.144.32.9 |
๐ Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (m.coowo.com, n.coowo.com)
Analysis
Mail Server Role
mail.ch-sys.com is the mail server for ch-sys.com.
IP Addresses
mail.ch-sys.com points to a single IP number: 103.144.32.9.
other host names for instance mail.z-onbest.com, mail.vtec.com.tw, orthostudio123.com.tw, 8tec.com and mail.i-parts.com.tw share IP numbers with mail.ch-sys.com.