`worldchem.com.tw`

DNSSEC	⚠️ Not signed
A	203.99.146.92^{🇹🇼 FLOPPY-AS-TW203.99.146.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.}
NS	`ns.worldchem.com.tw` ⭐
		A	60.250.148.156^{🇹🇼 HiNet60.250.0.0/16}
			PTR	`mail.worldchem.com.tw`
MX	`mail.worldchem.com.tw` ⭐
		A	60.250.148.156^{🇹🇼 HiNet60.250.0.0/16}
			PTR	`mail.worldchem.com.tw`
TXT	`v=spf1 ip4:60.250.148.156 -all`
SOA	`ns.worldchem.com.tw`postmaster@worldchen.com.tw 2026-05-08 #2

`com.tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.twnic.net.tw` ⭐
	NS	`anytld.apnic.net`
	NS	`b.twnic.net.tw`
	NS	`c.twnic.net.tw`
	NS	`d.twnic.net.tw`
	NS	`e.twnic.net.tw`
	NS	`f.twnic.net.tw`
	NS	`g.twnic.net.tw`
	NS	`h.dns.tw`
	NS	`h.twnic.net.tw`
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006350133

WOT: SAFE (58/100)

Subdomains

mail.worldchem.com.tw

ns.worldchem.com.tw

Same first word

worldchem.com.ua

worldchem.ca

worldchem.co.kr

worldchem.com.tw

worldchem.net

worldchem.co.th

worldchem.cn

worldchem.biz

worldchem.com.tr

worldchem.com

worldchem.com.ec

Similar names

DNS History

6 records (3 active, 3 former)

○NSmail.worldchem.com.tw2015-05-30 → 2020-01-05 · 5 obs

○ 2008-11-25 13:19:58
● 2015-05-30 01:28:22
● 2020-01-05 23:38:14
○ 2026-04-21 15:39:30
○ 2026-05-14 03:04:24

●NSns.worldchem.com.tw2008-11-25 → 2026-05-14 · 2 obs

● 2008-11-25 13:19:58
● 2026-05-14 03:04:24

○NSns1.worldchem.com.tw2008-11-25 → 2008-11-25 · 3 obs

● 2008-11-25 13:19:58
○ 2015-05-30 01:28:22
○ 2026-05-14 03:04:24

●MXmail.worldchem.com.tw2008-11-25 → 2026-05-14 · 2 obs

● 2008-11-25 13:19:58
● 2026-05-14 03:04:24

●A203.99.146.922026-04-21 → 2026-05-14 · 3 obs

○ 2015-05-30 01:28:22
● 2026-04-21 15:39:30
● 2026-05-14 03:04:24

○A61.218.47.182008-11-25 → 2008-11-25 · 3 obs

● 2008-11-25 13:19:58
○ 2015-05-30 01:28:22
○ 2026-05-14 03:04:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	anytld.apnic.net, f.dns.tw, g.dns.tw, b.dns.tw...	16 records
worldchem.com.tw	ns.worldchem.com.tw	1 record

✅ Authoritative Response

Server:60.250.148.156

NS records: ns.worldchem.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 862ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.99.146.92`
NS	1	`ns.worldchem.com.tw`
MX	1	`mail.worldchem.com.tw (pri: 10)`
TXT	1	`v=spf1 ip4:60.250.148.156 -all`
SOA	1	`ns.worldchem.com.tw postmaster.worldchen`

📌 Glue Records Collected

Total: 17

In-bailiwick: 15 (h.dns.tw, g.dns.tw, f.dns.tw...)

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

Analysis

Hierarchy

worldchem.com.tw is parent of mail.worldchem.com.tw and ns.worldchem.com.tw.

IP Addresses

worldchem.com.tw points to a single IP number: 203.99.146.92.

other host names for instance reedtec.com, fertilitycenter.com.tw, www.ub-net.com.tw, vicsew.com.au and shengda-air.com share IP numbers with worldchem.com.tw.

Name Servers

The zone for worldchem.com.tw is delegated to a single name server, ns.worldchem.com.tw.

Host name ns.worldchem.com.tw points to IP address 60.250.148.156.

Mail Servers

worldchem.com.tw is handled by a single mail server, mail.worldchem.com.tw.

Host name mail.worldchem.com.tw points to IP address 60.250.148.156.

worldchem.com.tw - robtex.com

worldchem.com.tw

com.tw