smsu.tw - robtex.com
smsu.tw
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw 2011-01-05 #27 | ||||||
Subdomains
www.smsu.tw |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSdns.twmail.org2020-01-08 → 2026-05-10 · 2 obs
● 2026-05-10 04:57:42
●NSdns2.twmail.org2020-01-08 → 2026-05-10 · 2 obs
● 2026-05-10 04:57:42
●MXntvirus.url.com.tw2020-01-08 → 2026-05-10 · 2 obs
● 2026-05-10 04:57:42
●MXntvirus2.url.com.tw2020-01-08 → 2026-05-10 · 2 obs
● 2026-05-10 04:57:42
○A210.59.228.2382020-01-08 → 2020-01-08 · 3 obs
○ 2026-04-10 08:38:50
○ 2026-05-10 04:57:42
●A211.72.207.1982026-04-10 → 2026-05-10 · 3 obs
● 2026-04-10 08:38:50
● 2026-05-10 04:57:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | g.dns.tw, a.dns.tw, d.dns.tw, b.dns.tw... | - |
| smsu.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 smsu.tw (unsigned zone)
⏱️ Timing
Total: 1358ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.72.207.198 |
| NS | 2 | dns.twmail.org, dns2.twmail.org |
| MX | 2 | ntvirus.url.com.tw (pri: 10), ntvirus2.url.com.tw (pri: 10) |
| TXT | 2 | v=spf1 a mx ip4:210.59.228.0/24 ip4:210., google-site-verification=N7WdQFQj-gPbPPw |
| SOA | 1 | dns.twmail.org admin.corp.url.com.tw |
Analysis
Hierarchy
smsu.tw is the parent of www.smsu.tw.
IP Addresses
smsu.tw resolves to a single IP address: 211.72.207.198.
Other host names including kbronet.url.tw, apeakind.com, antari.com.tw, cp5.twmail.cc and chambio.com share IP numbers with smsu.tw.
Name Servers
smsu.tw's delegation uses two name servers, dns2.twmail.org and dns.twmail.org.
smsu.tw shares the same name server setup as other domains, for example re.com.tw, dr-kj.com, mmcm.tw, jfart.com.tw and sdimail.com.
smsu.tw at least partially shares name servers with other domains, for example forchem.com.tw, cax.com.tw and acard.com.
Host names with two IPs:
dns2.twmail.org points to: 2001:b034:201:400:211:72:204:250 and 211.72.204.250
dns.twmail.org points to: 2001:b034:1:800:210:59:228:119 and 210.59.228.119
Mail Servers
smsu.tw is handled by two mail servers: ntvirus2.url.com.tw and ntvirus.url.com.tw.
smsu.tw shares its mail server setup with other domains, including fcww.net, sunnytaiwan.com, cvtc.com.tw, qaf.org.tw and utstec.com.
Host names with four IP numbers:
ntvirus2.url.com.tw and ntvirus.url.com.tw point to 210.59.228.117, 210.59.228.172, 210.59.228.173 and 210.59.228.178.
Host names that point to 210.59.228.117: ntvirus2.url.com.tw and ntvirus.url.com.tw.
Host names that point to 210.59.228.172: ntvirus2.url.com.tw and ntvirus.url.com.tw.
Host names that point to 210.59.228.173: ntvirus2.url.com.tw and ntvirus.url.com.tw.
Host names that point to 210.59.228.178: ntvirus2.url.com.tw and ntvirus.url.com.tw.