astertech.com.tw - dns.ninja

`astertech.com.tw`

DNSSEC	🔒 Signed (DS record present)
A	210.242.157.229^{🇹🇼 HiNet210.242.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
		PTR	`mails.astertech.com.tw`
NS	`ns11.twnic.net.tw` ⭐
		A	2001:cd8:800::198^{🇹🇼 Seednet2001:cd8::/32 SeedNet/NCIC route object}
		A	2404:0:10a0::3852^{🇹🇼 EBT2404:0:1000::/40 Asia Pacific Telecom IPv6}
		A	54.249.43.242^{🇯🇵 Amazon54.249.32.0/19 EC2 NRT}
			PTR	`ec2-54-249-43-242.ap-northeast-1.compute.amazonaws.com`
		A	203.73.24.198^{🇹🇼 Seednet203.73.24.0/24 SeedNet}
		A	210.201.138.52^{🇹🇼 APOL210.201.138.0/24 Asia Pacific Telecom co., Ltd}
NS	`ns12.twnic.net.tw`
		A	60.199.218.234^{🇹🇼 TFN-NET60.199.218.0/24 Taiwan Fixed Network}
			PTR	`ns12.twnic.net.tw`
		A	104.199.237.109^{🇹🇼 Google104.199.224.0/20}
			PTR	`109.237.199.104.bc.googleusercontent.com`
		A	211.20.231.13^{🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`211-20-231-13.hinet-ip.hinet.net`
MX	`mails.astertech.com.tw` ⭐
		A	210.242.157.229^{🇹🇼 HiNet210.242.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`mails.astertech.com.tw`
MX	`mail.astertech.com.tw`⁽¹⁰⁾
		A	210.242.157.229^{🇹🇼 HiNet210.242.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`mails.astertech.com.tw`
TXT	`v=spf1 ip4:210.242.157.229 -all`
SOA	`ns11.twnic.net.tw`tech@twnic.net.tw serial=1781997208

`com.tw`

	DNSSEC	⚠️ Not signed
	NS	`a.twnic.net.tw` ⭐ ⚠️ Not in parent delegation
	NS	`anytld.apnic.net` ⚠️ Not in parent delegation
	NS	`b.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`c.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`d.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`e.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`f.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`g.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`h.dns.tw` ⚠️ Not in parent delegation
	NS	`h.twnic.net.tw` ⚠️ Not in parent delegation
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006377389

WOT: SAFE (58/100)

Subdomains

mails.astertech.com.tw

mail.astertech.com.tw

Same first word

astertech.com.tw

astertech.com

astertech.com.br

astertech.pl

Similar names

DNS History

12 records (5 active, 7 former)

○NSdns1.astertech.com.tw2015-07-01 → 2016-12-03 · 4 obs

● 2015-07-01 01:31:30
● 2016-12-03 01:05:24
○ 2017-09-30 23:07:20
○ 2026-06-30 19:37:34

○NSdns1.ezship.com.tw2015-07-01 → 2016-12-03 · 4 obs

● 2015-07-01 01:31:30
● 2016-12-03 01:05:24
○ 2017-09-30 23:07:20
○ 2026-06-30 19:37:34

○NSdns2.astertech.com.tw2015-07-01 → 2016-12-03 · 4 obs

● 2015-07-01 01:31:30
● 2016-12-03 01:05:24
○ 2017-09-30 23:07:20
○ 2026-06-30 19:37:34

○NSdns2.ezship.com.tw2015-07-01 → 2016-12-03 · 4 obs

● 2015-07-01 01:31:30
● 2016-12-03 01:05:24
○ 2017-09-30 23:07:20
○ 2026-06-30 19:37:34

○NSdns5.ezship.com.tw2015-07-01 → 2016-12-03 · 4 obs

● 2015-07-01 01:31:30
● 2016-12-03 01:05:24
○ 2017-09-30 23:07:20
○ 2026-06-30 19:37:34

○NSdnss.astertech.com.tw2015-07-01 → 2016-12-03 · 4 obs

● 2015-07-01 01:31:30
● 2016-12-03 01:05:24
○ 2017-09-30 23:07:20
○ 2026-06-30 19:37:34

●NSns11.twnic.net.tw2017-09-30 → 2026-06-30 · 3 obs

○ 2016-12-03 01:05:24
● 2017-09-30 23:07:20
● 2026-06-30 19:37:34

●NSns12.twnic.net.tw2017-09-30 → 2026-06-30 · 3 obs

○ 2016-12-03 01:05:24
● 2017-09-30 23:07:20
● 2026-06-30 19:37:34

○NSvns2.hinet.net2015-07-01 → 2016-12-03 · 4 obs

● 2015-07-01 01:31:30
● 2016-12-03 01:05:24
○ 2017-09-30 23:07:20
○ 2026-06-30 19:37:34

●MXmail.astertech.com.tw2015-07-01 → 2026-06-30 · 2 obs

● 2015-07-01 01:31:30
● 2026-06-30 19:37:34

●MXmails.astertech.com.tw2015-07-01 → 2026-06-30 · 2 obs

● 2015-07-01 01:31:30
● 2026-06-30 19:37:34

●A210.242.157.2292015-07-01 → 2026-06-30 · 2 obs

● 2015-07-01 01:31:30
● 2026-06-30 19:37:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	16 records
astertech.com.tw	ns12.twnic.net.tw, ns11.twnic.net.tw	-

✅ Authoritative Response

Server:60.199.218.234

NS records: ns12.twnic.net.tw, ns11.twnic.net.tw

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1905ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.242.157.229`
NS	2	`ns12.twnic.net.tw, ns11.twnic.net.tw`
MX	2	`mail.astertech.com.tw (pri: 10), mails.astertech.com.tw (pri: 5)`
TXT	1	`v=spf1 ip4:210.242.157.229 -all`
SOA	1	`ns11.twnic.net.tw tech.twnic.net.tw`

📌 Glue Records Collected

Total: 16

In-bailiwick: 14 (a.dns.tw, a.dns.tw, b.dns.tw...)

Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)

Analysis

Hierarchy

astertech.com.tw is the parent domain of mails.astertech.com.tw and mail.astertech.com.tw.

IP Addresses

astertech.com.tw points to a single IP number: 210.242.157.229.

Host names such as mails.astertech.com.tw and mail.astertech.com.tw share IP numbers with astertech.com.tw.

Name Servers

astertech.com.tw has two authoritative name servers — ns11.twnic.net.tw and ns12.twnic.net.tw.

astertech.com.tw shares its name server setup with other domains, including 168travel.com.tw, lotto-tools.com.tw, fm937.com.tw and two others.

Host names that resolve to five IP addresses:

ns11.twnic.net.tw points to 54.249.43.242, 203.73.24.198, 210.201.138.52 and two other IP addresses.

Host names with three IP numbers:

ns12.twnic.net.tw resolves to 60.199.218.234, 104.199.237.109 and 211.20.231.13.

Mail Servers

astertech.com.tw has two mail servers: mail.astertech.com.tw and mails.astertech.com.tw.

mail.astertech.com.tw and mails.astertech.com.tw each point to one IP address — 210.242.157.229.

The host names mail.astertech.com.tw and mails.astertech.com.tw both resolve to 210.242.157.229 IP addresses.