`precursor-tech.com`

DNSSEC	⚠️ Not signed
A	220.130.203.153^{🇹🇼 HiNet220.130.0.0/16}
		PTR	`220-130-203-153.hinet-ip.hinet.net`
A	220.228.193.182^{🇹🇼 NCIC-TW220.228.193.0/24 New Century InfoComm Tech Co., Ltd.}
NS	`ns47.cx901.com` ⭐ ⚠️ Not in parent delegation
		A	103.17.8.45^{🇹🇼 YUANJHEN-TW103.17.8.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.}
			PTR	`103-17-8-45.static.ip.net.tw`
NS	`ns1.mstech.tw` ⚠️ Not in zone NS records
		A	103.17.8.44^{🇹🇼 YUANJHEN-TW103.17.8.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.}
			PTR	`re22.cx901.com`
NS	`ns2.mstech.tw` ⚠️ Not in zone NS records
		A	103.17.8.44^{🇹🇼 YUANJHEN-TW103.17.8.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.}
			PTR	`re22.cx901.com`
NS	`ns48.cx901.com` ⚠️ Not in parent delegation
		A	103.17.8.46^{🇹🇼 YUANJHEN-TW103.17.8.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.}
			PTR	`103-17-8-46.static.ip.net.tw`
MX	`mail.mail16899.com` ⭐
		A	113.61.170.106^{🇹🇼 VEETIME-TW-AP113.61.170.0/24 Proxy-registered route object}
			PTR	`mail.mail16899.com`
		A	211.22.184.232^{🇹🇼 HiNet211.22.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`mail.mail16899.com`
TXT	`v=spf1 ip4:103.17.8.44 include:_spf.eee.tw ipv4:113.61.170.106 ipv4:211.22.18...`
SOA	`ns47.cx901.com`whmlog@ipmi.tw 2026-02-18 #3

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774718972

Previously MX for

precursor-tech.com

Subdomains

www.precursor-tech.com

Same first word

precursor-tech.com

DNS History

14 records (7 active, 7 former)

○NSns.world-d.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 12:16:18
○ 2015-12-10 17:44:32
○ 2026-03-28 17:58:12

●NSns1.mstech.tw2015-12-10 → 2026-03-28 · 3 obs

○ 2015-08-16 12:16:18
● 2015-12-10 17:44:32
● 2026-03-28 17:58:12

○NSns1.world-d.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 12:16:18
○ 2015-12-10 17:44:32
○ 2026-03-28 17:58:12

●NSns2.mstech.tw2015-12-10 → 2026-03-28 · 3 obs

○ 2015-08-16 12:16:18
● 2015-12-10 17:44:32
● 2026-03-28 17:58:12

○NSns2.world-d.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 12:16:18
○ 2015-12-10 17:44:32
○ 2026-03-28 17:58:12

●NSns47.cx901.com2026-03-27 → 2026-03-28 · 3 obs

○ 2015-12-10 17:44:32
● 2026-03-27 04:29:26
● 2026-03-28 17:58:12

●NSns48.cx901.com2026-03-27 → 2026-03-28 · 3 obs

○ 2015-12-10 17:44:32
● 2026-03-27 04:29:26
● 2026-03-28 17:58:12

●MXmail.mail16899.com2026-03-27 → 2026-03-28 · 3 obs

○ 2017-06-15 06:54:22
● 2026-03-27 04:29:26
● 2026-03-28 17:58:12

○MXmail.precursor-tech.com2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 12:16:18
○ 2015-12-10 17:44:32
○ 2026-03-28 17:58:12

○MXprecursor-tech.com2015-12-10 → 2017-06-15 · 5 obs

○ 2015-08-16 12:16:18
● 2015-12-10 17:44:32
● 2017-06-15 06:54:22
○ 2026-03-27 04:29:26
○ 2026-03-28 17:58:12

○A103.17.8.472015-12-10 → 2017-06-15 · 5 obs

○ 2015-08-16 12:16:18
● 2015-12-10 17:44:32
● 2017-06-15 06:54:22
○ 2026-03-27 04:29:26
○ 2026-03-28 17:58:12

●A220.130.203.1532026-03-27 → 2026-03-28 · 3 obs

○ 2017-06-15 06:54:22
● 2026-03-27 04:29:26
● 2026-03-28 17:58:12

●A220.228.193.1822026-03-27 → 2026-03-28 · 3 obs

○ 2017-06-15 06:54:22
● 2026-03-27 04:29:26
● 2026-03-28 17:58:12

○A60.249.71.462015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 12:16:18
○ 2015-12-10 17:44:32
○ 2026-03-28 17:58:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
precursor-tech.com	ns1.mstech.tw, ns2.mstech.tw	-

✅ Authoritative Response

Server:103.17.8.44

NS records: ns1.mstech.tw, ns2.mstech.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for precursor-tech.com (unsigned zone)

⏱️ Timing

Total: 1443ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`220.228.193.182, 220.130.203.153`
NS	2	`ns47.cx901.com, ns48.cx901.com`
MX	1	`mail.mail16899.com (pri: 0)`
TXT	1	`v=spf1 ip4:103.17.8.44 include:_spf.eee.`
SOA	1	`ns47.cx901.com whmlog.ipmi.tw`

Analysis

Hierarchy

precursor-tech.com is the parent of www.precursor-tech.com.

IP Addresses

precursor-tech.com resolves to two IP numbers: 220.130.203.153 and 220.228.193.182.

other host names including candyhome.com.tw, solidtek.com.tw, www.precursor-tech.com, tian-sheng.com.tw and ll-220-228-193-182.ll.sparqnet.net share IP numbers with precursor-tech.com.

Name Servers

precursor-tech.com is delegated to four name servers: ns47.cx901.com, ns48.cx901.com, ns1.mstech.tw and ns2.mstech.tw.

precursor-tech.com at least partially shares name servers with other domains, for instance juclinic.com, himawari.com.tw, it-solution.com.tw, pureproionizers.com and webtw.org.

These name servers are commonly used with ns11.cx901.com, ns1.mshost.tw, ns45.cx901.com, ns46.cx901.com and ns12.cx901.com.

Hosts with a single IP:

ns47.cx901.com points to 103.17.8.45

ns48.cx901.com points to 103.17.8.46

ns1.mstech.tw points to 103.17.8.44

ns2.mstech.tw points to 103.17.8.44

Hosts pointing to 103.17.8.44: ns1.mstech.tw, ns2.mstech.tw

Mail Servers

precursor-tech.com is handled by a single mail server, mail.mail16899.com.

precursor-tech.com shares the same mail server setup as other domains, for instance ehoma.com, golden3d.com.tw, dajieco.com, ltglass.com.tw and profire.com.tw.

mail.mail16899.com resolves to two IP numbers: 113.61.170.106 and 211.22.184.232.

precursor-tech.com - robtex.com