`matrix-circuits.com`

DNSSEC	⚠️ Not signed
A	203.90.228.198^{🇭🇰 UDOMAIN-AS-AP203.90.228.0/24 New Sky Internet Limited Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street,}
		PTR	`vps5347.youcloud.hk`
NS	`ns15.worldnic.com` ⭐
		A	162.159.26.214^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns16.worldnic.com`
		A	162.159.27.150^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mail.matrix-circuits.com` ⭐
		A	121.13.239.38^{🇨🇳 CHINANET-BACKBONE121.8.0.0/13 China Telecom Network}
SOA	`NS15.WORLDNIC.com`namehost@WORLDNIC.com serial=123103003

`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=1774422097

Subdomains

mail.matrix-circuits.com

Same first word

matrix-circuits.com

DNS History

8 records (4 active, 4 former)

○NSns1.diyixian.com2015-05-15 → 2016-10-05 · 4 obs

● 2015-05-15 19:30:02
● 2016-10-05 08:49:12
○ 2017-06-30 17:14:52
○ 2026-03-25 07:30:04

●NSns15.worldnic.com2017-06-30 → 2026-03-25 · 3 obs

○ 2016-10-05 08:49:12
● 2017-06-30 17:14:52
● 2026-03-25 07:30:04

●NSns16.worldnic.com2017-06-30 → 2026-03-25 · 3 obs

○ 2016-10-05 08:49:12
● 2017-06-30 17:14:52
● 2026-03-25 07:30:04

○NSns2.diyixian.com2015-05-15 → 2016-10-05 · 4 obs

● 2015-05-15 19:30:02
● 2016-10-05 08:49:12
○ 2017-06-30 17:14:52
○ 2026-03-25 07:30:04

●MXmail.matrix-circuits.com2015-05-15 → 2026-03-25 · 2 obs

● 2015-05-15 19:30:02
● 2026-03-25 07:30:04

○MXsmtp-relay.diyixian.com2015-05-15 → 2016-10-05 · 4 obs

● 2015-05-15 19:30:02
● 2016-10-05 08:49:12
○ 2017-06-30 17:14:52
○ 2026-03-25 07:30:04

○A121.13.239.382017-06-30 → 2017-06-30 · 3 obs

● 2017-06-30 17:14:52
○ 2026-02-20 03:48:28
○ 2026-03-25 07:30:04

●A203.90.228.1982026-02-20 → 2026-03-25 · 3 obs

○ 2017-06-30 17:14:52
● 2026-02-20 03:48:28
● 2026-03-25 07:30:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
matrix-circuits.com	ns15.worldnic.com, ns16.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.214

NS records: ns15.worldnic.com, ns16.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for matrix-circuits.com (unsigned zone)

⏱️ Timing

Total: 266ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.90.228.198`
NS	2	`ns15.worldnic.com, ns16.worldnic.com`
MX	1	`mail.matrix-circuits.com (pri: 10)`
SOA	1	`NS15.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns15.worldnic.com, ns16.worldnic.com)

Analysis

Hierarchy

matrix-circuits.com is the parent of mail.matrix-circuits.com.

IP Addresses

matrix-circuits.com resolves to one IP number: 203.90.228.198.

other host names including www.cys.edu.hk, mail.hkpma.com, zenith.edu.hk, imobohk.com and ns8.ototdns2.com share IP numbers with matrix-circuits.com.

Name Servers

matrix-circuits.com is delegated to two name servers ns15.worldnic.com and ns16.worldnic.com.

matrix-circuits.com shares the same name server setup as other domains, for instance ironb0w.org, sealeze.com, touchofclasshome.com, krogermarketplace.com and librestream.org.

Host names with one IP number:

ns15.worldnic.com points to 162.159.26.214

ns16.worldnic.com points to 162.159.27.150

Mail Servers

matrix-circuits.com is handled by a single mail server, mail.matrix-circuits.com.

mail.matrix-circuits.com resolves to IP 121.13.239.38.

matrix-circuits.com - robtex.com