ertw.com.tw - robtex.com
ertw.com.tw
com.tw
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | a.twnic.net.tw โญ โ ๏ธ Not in parent delegation | ||||||
| NS | anytld.apnic.net โ ๏ธ Not in parent delegation | ||||||
| NS | b.twnic.net.tw โ ๏ธ Not in parent delegation | ||||||
| NS | c.twnic.net.tw โ ๏ธ Not in parent delegation | ||||||
| NS | d.twnic.net.tw โ ๏ธ Not in parent delegation | ||||||
| NS | e.twnic.net.tw โ ๏ธ Not in parent delegation | ||||||
| NS | f.twnic.net.tw โ ๏ธ Not in parent delegation | ||||||
| NS | g.twnic.net.tw โ ๏ธ Not in parent delegation | ||||||
| NS | h.dns.tw โ ๏ธ Not in parent delegation | ||||||
| NS | h.twnic.net.tw โ ๏ธ Not in parent delegation | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006339661 | ||||||
NS for
ertw.com.tw |
Subdomains
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
โNSertw.com.tw2026-03-27 โ 2026-04-04 ยท 3 obs
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โNShins1.hinet.net2015-05-12 โ 2017-04-03 ยท 4 obs
โ 2017-04-03 02:34:26
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โNShins2.hinet.net2015-05-12 โ 2017-04-03 ยท 4 obs
โ 2017-04-03 02:34:26
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โNSns1.biz-himail.com2026-03-27 โ 2026-04-04 ยท 3 obs
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โNSns2.biz-himail.com2026-03-27 โ 2026-04-04 ยท 3 obs
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โMXbiz-mx1.ertw.com.tw2026-03-27 โ 2026-04-04 ยท 3 obs
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โMXbiz-mx1.hinet.net2015-05-12 โ 2017-04-03 ยท 4 obs
โ 2017-04-03 02:34:26
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โMXbiz-mx2.ertw.com.tw2026-03-27 โ 2026-04-04 ยท 3 obs
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โMXbiz-mx2.hinet.net2015-05-12 โ 2017-04-03 ยท 4 obs
โ 2017-04-03 02:34:26
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โMXmx1.biz-himail.com2026-03-27 โ 2026-04-04 ยท 3 obs
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โMXmx2.biz-himail.com2026-03-27 โ 2026-04-04 ยท 3 obs
โ 2026-03-27 14:20:38
โ 2026-04-04 11:46:36
โA210.59.137.22015-05-12 โ 2026-04-04 ยท 2 obs
โ 2026-04-04 11:46:36
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, e.dns.tw, f.dns.tw, g.dns.tw... | - |
| ertw.com.tw | ns1.biz-himail.com, ns2.biz-himail.com | - |
โ Authoritative Response
Server:168.95.192.36
NS records: ns1.biz-himail.com, ns2.biz-himail.com
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for ertw.com.tw (unsigned zone)
โฑ๏ธ Timing
Total: 1707ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.59.137.2 |
| NS | 2 | ns2.biz-himail.com, ns1.biz-himail.com |
| MX | 4 | mx2.biz-himail.com (pri: 0), biz-mx1.ertw.com.tw (pri: 10)... |
| TXT | 1 | v=spf1 include:spf.biz-mail.hinet.net ~a |
| SOA | 1 | ertw.com.tw hostmaster.hinet.net |
Analysis
Hierarchy
ertw.com.tw is a parent of biz-mx2.ertw.com.tw and biz-mx1.ertw.com.tw.
Name Server Role
ertw.com.tw serves as a name server for ertw.com.tw.
ns1.biz-himail.com and ns2.biz-himail.com are commonly used as name servers along with ertw.com.tw.
IP Addresses
ertw.com.tw points to IP number: 210.59.137.2.
Other host names such as kwit.com.tw, primdmode.com.tw, goidealco.com, guoxin.com.tw and y-yao.com.tw share IPs with ertw.com.tw.
Name Servers
ertw.com.tw is delegated to three name servers: ns1.biz-himail.com; ns2.biz-himail.com; and ertw.com.tw.
ertw.com.tw at least partially shares name servers with other domains, for instance ferrico.com, senko.com.tw, color-ray.com.tw, thttpe.com.tw and fucrown.com.
These name servers are commonly used together with hins1.hinet.net, hins2.hinet.net and aeco.com.tw.
Host names with two IP numbers:
ns1.biz-himail.com points to: 2001:b000:168::192:36 and 168.95.192.36.
ns2.biz-himail.com points to: 2001:b000:180:80d:203:74:116:196 and 203.74.116.196.
Host names with one IP number:
ertw.com.tw points to: 210.59.137.2.
Mail Servers
Four mail servers handle ertw.com.tw: mx1.biz-himail.com, mx2.biz-himail.com, biz-mx1.ertw.com.tw and biz-mx2.ertw.com.tw.
ertw.com.tw shares at least partially some mail servers with other domains, including imaging-tek.com, jchoman.com.tw, ccftwn.com.tw, mildred.com.tw and gmicro.com.tw.
Host names with two IPs:
mx1.biz-himail.com points to 210.59.137.6 and 210.59.137.7
mx2.biz-himail.com points to 210.59.137.16 and 210.59.137.17
biz-mx1.ertw.com.tw points to 210.59.137.6 and 210.59.137.7
biz-mx2.ertw.com.tw points to 210.59.137.16 and 210.59.137.17
Hosts pointing to 210.59.137.6: mx1.biz-himail.com and biz-mx1.ertw.com.tw
Hosts pointing to 210.59.137.7: mx1.biz-himail.com and biz-mx1.ertw.com.tw
Hosts pointing to 210.59.137.16: mx2.biz-himail.com and biz-mx2.ertw.com.tw
Hosts pointing to 210.59.137.17: mx2.biz-himail.com and biz-mx2.ertw.com.tw