ertw.com.tw - robtex.com

ertw.com.tw

DNSSECโš ๏ธ Not signed
A210.59.137.2๐Ÿ‡น๐Ÿ‡ผ HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTR210-59-137-2.hinet-ip.hinet.net
NSertw.com.tw โญ
A210.59.137.2๐Ÿ‡น๐Ÿ‡ผ HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTR210-59-137-2.hinet-ip.hinet.net
NSns1.biz-himail.com
A2001:b000:168::192:36๐Ÿ‡น๐Ÿ‡ผ HiNet2001:b000:100::/40
PTRhins1.hinet.net
A168.95.192.36๐Ÿ‡น๐Ÿ‡ผ HiNet168.95.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRhins1.hinet.net
NSns2.biz-himail.com
A2001:b000:180:80d:203:74:116:196๐Ÿ‡น๐Ÿ‡ผ HiNet2001:b000:100::/40
PTRhins2.hinet.net
A203.74.116.196๐Ÿ‡น๐Ÿ‡ผ HiNet203.74.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRhins2.hinet.net
MXmx1.biz-himail.com โญ
A210.59.137.6๐Ÿ‡น๐Ÿ‡ผ HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbiz-mx1-6.hinet.net
A210.59.137.7๐Ÿ‡น๐Ÿ‡ผ HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbiz-mx1-7.hinet.net
MXmx2.biz-himail.com โญ
A210.59.137.16๐Ÿ‡น๐Ÿ‡ผ HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbiz-mx2-6.hinet.net
A210.59.137.17๐Ÿ‡น๐Ÿ‡ผ HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbiz-mx2-7.hinet.net
MXbiz-mx1.ertw.com.tw(10)
A210.59.137.6๐Ÿ‡น๐Ÿ‡ผ HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbiz-mx1-6.hinet.net
A210.59.137.7๐Ÿ‡น๐Ÿ‡ผ HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbiz-mx1-7.hinet.net
MXbiz-mx2.ertw.com.tw(10)
A210.59.137.16๐Ÿ‡น๐Ÿ‡ผ HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbiz-mx2-6.hinet.net
A210.59.137.17๐Ÿ‡น๐Ÿ‡ผ HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbiz-mx2-7.hinet.net
TXTv=spf1 include:spf.biz-mail.hinet.net ~all
SOAertw.com.twhostmaster@hinet.net 2022-10-21 #0

com.tw

DNSSECโš ๏ธ Not signed
NSa.twnic.net.tw โญ โš ๏ธ Not in parent delegation
NSanytld.apnic.net โš ๏ธ Not in parent delegation
NSb.twnic.net.tw โš ๏ธ Not in parent delegation
NSc.twnic.net.tw โš ๏ธ Not in parent delegation
NSd.twnic.net.tw โš ๏ธ Not in parent delegation
NSe.twnic.net.tw โš ๏ธ Not in parent delegation
NSf.twnic.net.tw โš ๏ธ Not in parent delegation
NSg.twnic.net.tw โš ๏ธ Not in parent delegation
NSh.dns.tw โš ๏ธ Not in parent delegation
NSh.twnic.net.tw โš ๏ธ Not in parent delegation
SOAa.twnic.net.twsnw@twnic.net.tw serial=2006339661
WOT: SAFE (58/100)

NS for

Subdomains

Same first word

Similar names

DNS History

12 records (8 active, 4 former)

20162017201820192020202120222023202420252026NSertw.com.twns1.biz-himail.comns2.biz-himail.comhins1.hinet.nethins2.hinet.netMXbiz-mx1.ertw.com.twbiz-mx2.ertw.com.twmx1.biz-himail.commx2.biz-himail.combiz-mx1.hinet.netbiz-mx2.hinet.netA210.59.137.2
โ—NSertw.com.tw2026-03-27 โ†’ 2026-04-04 ยท 3 obs
โ—‹ 2017-04-03 02:34:26
โ— 2026-03-27 14:20:38
โ— 2026-04-04 11:46:36
โ—‹NShins1.hinet.net2015-05-12 โ†’ 2017-04-03 ยท 4 obs
โ— 2015-05-12 09:10:56
โ— 2017-04-03 02:34:26
โ—‹ 2026-03-27 14:20:38
โ—‹ 2026-04-04 11:46:36
โ—‹NShins2.hinet.net2015-05-12 โ†’ 2017-04-03 ยท 4 obs
โ— 2015-05-12 09:10:56
โ— 2017-04-03 02:34:26
โ—‹ 2026-03-27 14:20:38
โ—‹ 2026-04-04 11:46:36
โ—NSns1.biz-himail.com2026-03-27 โ†’ 2026-04-04 ยท 3 obs
โ—‹ 2017-04-03 02:34:26
โ— 2026-03-27 14:20:38
โ— 2026-04-04 11:46:36
โ—NSns2.biz-himail.com2026-03-27 โ†’ 2026-04-04 ยท 3 obs
โ—‹ 2017-04-03 02:34:26
โ— 2026-03-27 14:20:38
โ— 2026-04-04 11:46:36
โ—MXbiz-mx1.ertw.com.tw2026-03-27 โ†’ 2026-04-04 ยท 3 obs
โ—‹ 2017-04-03 02:34:26
โ— 2026-03-27 14:20:38
โ— 2026-04-04 11:46:36
โ—‹MXbiz-mx1.hinet.net2015-05-12 โ†’ 2017-04-03 ยท 4 obs
โ— 2015-05-12 09:10:56
โ— 2017-04-03 02:34:26
โ—‹ 2026-03-27 14:20:38
โ—‹ 2026-04-04 11:46:36
โ—MXbiz-mx2.ertw.com.tw2026-03-27 โ†’ 2026-04-04 ยท 3 obs
โ—‹ 2017-04-03 02:34:26
โ— 2026-03-27 14:20:38
โ— 2026-04-04 11:46:36
โ—‹MXbiz-mx2.hinet.net2015-05-12 โ†’ 2017-04-03 ยท 4 obs
โ— 2015-05-12 09:10:56
โ— 2017-04-03 02:34:26
โ—‹ 2026-03-27 14:20:38
โ—‹ 2026-04-04 11:46:36
โ—MXmx1.biz-himail.com2026-03-27 โ†’ 2026-04-04 ยท 3 obs
โ—‹ 2017-04-03 02:34:26
โ— 2026-03-27 14:20:38
โ— 2026-04-04 11:46:36
โ—MXmx2.biz-himail.com2026-03-27 โ†’ 2026-04-04 ยท 3 obs
โ—‹ 2017-04-03 02:34:26
โ— 2026-03-27 14:20:38
โ— 2026-04-04 11:46:36
โ—A210.59.137.22015-05-12 โ†’ 2026-04-04 ยท 2 obs
โ— 2015-05-12 09:10:56
โ— 2026-04-04 11:46:36

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
twa.dns.tw, e.dns.tw, f.dns.tw, g.dns.tw...-
ertw.com.twns1.biz-himail.com, ns2.biz-himail.com-

โœ… Authoritative Response

Server:168.95.192.36

NS records: ns1.biz-himail.com, ns2.biz-himail.com

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for ertw.com.tw (unsigned zone)

โฑ๏ธ Timing

Total: 1707ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1210.59.137.2
NS2ns2.biz-himail.com, ns1.biz-himail.com
MX4mx2.biz-himail.com (pri: 0), biz-mx1.ertw.com.tw (pri: 10)...
TXT1v=spf1 include:spf.biz-mail.hinet.net ~a
SOA1ertw.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