birch.com.tw - robtex.com
birch.com.tw
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006338044 | ||||||
WOT: SAFE (58/100)
Subdomains
mail.birch.com.tw |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns.twmail.org2026-02-16 → 2026-03-28 · 2 obs
● 2026-03-28 13:24:06
●NSdns2.twmail.org2026-02-16 → 2026-03-28 · 2 obs
● 2026-03-28 13:24:06
●MXntvirus.url.com.tw2026-02-16 → 2026-03-28 · 2 obs
● 2026-03-28 13:24:06
●MXntvirus2.url.com.tw2026-02-16 → 2026-03-28 · 2 obs
● 2026-03-28 13:24:06
●A211.72.207.2322026-02-16 → 2026-03-28 · 2 obs
● 2026-03-28 13:24:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | h.twnic.net.tw, f.twnic.net.tw, a.twnic.net.tw, g.twnic.net.tw... | - |
| birch.com.tw | dns2.twmail.org, dns.twmail.org | - |
✅ Authoritative Response
Server:211.72.204.250
NS records: dns2.twmail.org, dns.twmail.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 1369ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.72.207.232 |
| NS | 2 | dns.twmail.org, dns2.twmail.org |
| MX | 2 | ntvirus2.url.com.tw (pri: 10), ntvirus.url.com.tw (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:210.59.228.0/24 ip4:210. |
| SOA | 1 | dns.twmail.org admin.corp.url.com.tw |
Analysis
Hierarchy
mail.birch.com.tw has birch.com.tw as its parent.
IP Addresses
birch.com.tw maps to IP address 211.72.207.232.
Other host names, for instance ocd.com.tw, longsan.com.tw, shuoudoil.com, www.tailyn.com.tw and tnha.org.tw share IP numbers with birch.com.tw.
Name Servers
Two name servers dns2.twmail.org and dns.twmail.org are delegated to birch.com.tw.
birch.com.tw uses the same name server configuration as other domains, such as ruiups.twmail.net, taiwaniot.com.tw, s-pro.com.tw, kaifu.url.tw and eayko.com.
birch.com.tw shares some name servers with other domains, for example jsmax.com.tw.
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
Two mail servers handle birch.com.tw: ntvirus2.url.com.tw and ntvirus.url.com.tw.
birch.com.tw shares the same mail server setup as other domains, including arthroscopy.com.tw, ccpo.com.tw, lontec.org, vguard.tw and n6net.net.
birch.com.tw shares some mail servers with other domains, at least partially, for instance pressstore.com.tw.
Host names with four IP numbers
ntvirus2.url.com.tw points to: 210.59.228.117, 210.59.228.172, 210.59.228.173 and 210.59.228.178.
ntvirus.url.com.tw points 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.