update.tw - robtex.com
update.tw
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 218.161.53.133๐น๐ผ HiNet218.161.0.0/17 | ||||||
| PTR | 218-161-53-133.hinet-ip.hinet.net | ||||||
| NS | dns1.update.tw โญ | ||||||
| A | 218.161.53.133๐น๐ผ HiNet218.161.0.0/17 | ||||||
| PTR | 218-161-53-133.hinet-ip.hinet.net | ||||||
| NS | dns2.update.tw | ||||||
| A | 218.161.53.133๐น๐ผ HiNet218.161.0.0/17 | ||||||
| PTR | 218-161-53-133.hinet-ip.hinet.net | ||||||
| MX | mxa.vmail.com.tw โญ | ||||||
| A | 218.161.53.133๐น๐ผ HiNet218.161.0.0/17 | ||||||
| PTR | 218-161-53-133.hinet-ip.hinet.net | ||||||
| SOA | dns1.update.twservice@update.tw serial=1034302900 | ||||||
tw
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.dns.tw โญ | ||||||
| NS | anytld.apnic.net โ ๏ธ Not in parent delegation | ||||||
| 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 2011-01-02 #80 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
โNSdns1.update.tw2015-08-30 โ 2026-05-09 ยท 2 obs
โ 2026-05-09 07:34:46
โNSdns2.update.tw2015-08-30 โ 2026-05-09 ยท 2 obs
โ 2026-05-09 07:34:46
โMXmxa.vmail.com.tw2015-08-30 โ 2026-05-09 ยท 5 obs
โ 2026-04-22 13:01:48
โ 2026-04-27 21:16:30
โ 2026-05-08 03:30:50
โ 2026-05-09 07:34:46
โA122.116.221.2272015-08-30 โ 2016-07-28 ยท 4 obs
โ 2016-07-28 16:41:00
โ 2026-02-23 23:58:20
โ 2026-05-09 07:34:46
โA218.161.53.1332026-02-23 โ 2026-05-09 ยท 6 obs
โ 2026-02-23 23:58:20
โ 2026-04-22 13:01:48
โ 2026-04-27 21:16:30
โ 2026-05-08 03:30:50
โ 2026-05-09 07:34:46
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| update.tw | dns1.update.tw, dns2.update.tw | 2 records |
โ Authoritative Response
Server:218.161.53.133
NS records: dns1.update.tw, dns2.update.tw
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for update.tw (unsigned zone)
โฑ๏ธ Timing
Total: 1150ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 218.161.53.133 |
| NS | 2 | dns1.update.tw, dns2.update.tw |
| MX | 1 | mxa.vmail.com.tw (pri: 10) |
| SOA | 1 | dns1.update.tw service.update.tw |
๐ Glue Records Collected
Total: 2
In-bailiwick: 2 (dns2.update.tw, dns1.update.tw)
Analysis
Hierarchy
update.tw is a parent of dns1.update.tw and dns2.update.tw.
IP Addresses
update.tw resolves to one IP number: 218.161.53.133.
Other host names, for instance dns2.thisis.com.tw, dns2.ieee.com.tw, mxf.twope.tw, dns1.update.tw and www.twope.tw share IP numbers with update.tw.
Name Servers
update.tw's delegation uses two name servers: dns1.update.tw and dns2.update.tw.
Host names with a single IP number:
The host name dns1.update.tw points to 218.161.53.133.
The host name dns2.update.tw points to 218.161.53.133.
Host names pointing to 218.161.53.133: dns1.update.tw and dns2.update.tw.
Mail Servers
A single mail server handles update.tw, mxa.vmail.com.tw.
update.tw shares the same mail server setup as other domains, for instance toplulu.tw, ieee.tw, tvb.tw, nono.com.tw and ieee.com.tw.
Host name mxa.vmail.com.tw resolves to a single IP: 218.161.53.133.