fcbu.org.tw - robtex.com
fcbu.org.tw
org.tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| NS | anytld.apnic.net | ||||||
| NS | b.twnic.net.tw | ||||||
| NS | c.twnic.net.tw | ||||||
| NS | d.twnic.net.tw | ||||||
| NS | e.twnic.net.tw | ||||||
| NS | f.twnic.net.tw | ||||||
| NS | g.twnic.net.tw | ||||||
| NS | h.dns.tw | ||||||
| NS | h.twnic.net.tw | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=1999640287 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSdns.twmail.org2015-06-09 → 2026-03-27 · 2 obs
● 2026-03-27 23:46:08
●NSdns2.twmail.org2015-06-09 → 2026-03-27 · 2 obs
● 2026-03-27 23:46:08
●MXntvirus.url.com.tw2015-06-09 → 2026-03-27 · 2 obs
● 2026-03-27 23:46:08
●MXntvirus2.url.com.tw2015-06-09 → 2026-03-27 · 2 obs
● 2026-03-27 23:46:08
●A210.59.229.272026-02-26 → 2026-03-27 · 3 obs
● 2026-02-26 10:17:48
● 2026-03-27 23:46:08
○A211.20.183.352015-06-09 → 2017-02-19 · 4 obs
● 2017-02-19 07:53:34
○ 2026-02-26 10:17:48
○ 2026-03-27 23:46:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | g.dns.tw, anytld.apnic.net, e.dns.tw, a.dns.tw... | 16 records |
| fcbu.org.tw | dns.twmail.org, dns2.twmail.org | - |
✅ Authoritative Response
Server:210.59.228.119
NS records: dns.twmail.org, dns2.twmail.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fcbu.org.tw (unsigned zone)
⏱️ Timing
Total: 3214ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.59.229.27 |
| NS | 2 | dns2.twmail.org, dns.twmail.org |
| MX | 2 | ntvirus.url.com.tw (pri: 10), ntvirus2.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 |
📌 Glue Records Collected
Total: 16
In-bailiwick: 14 (g.dns.tw, e.dns.tw, e.dns.tw...)
Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)
Analysis
IP Addresses
fcbu.org.tw resolves to a single IP address: 210.59.229.27.
Other host names such as jokema.com, camao.com, thebestrubber.com and willbo.com share IP numbers with fcbu.org.tw.
Name Servers
fcbu.org.tw's delegation uses two name servers, dns2.twmail.org and dns.twmail.org.
fcbu.org.tw shares the same name server setup as other domains, for example ernest.com.tw, hmit.com.tw, llvbio.com, piip.pro and radiantech.com.tw.
fcbu.org.tw at least partially shares name servers with other domains; for instance e-tyson.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
fcbu.org.tw is handled by two mail servers: ntvirus2.url.com.tw and ntvirus.url.com.tw.
fcbu.org.tw shares its mail server setup with other domains, including daye-artemia.com.tw, broadcosmos.com, techao.com.tw, xmas-house.com.tw and waterplants.url.tw.
fcbu.org.tw shares at least partially some mail servers with other domains, for instance tqc.com.tw, acard.com and khland.org.tw.
these mail servers are commonly used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.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.