`mail.matrix-circuits.com`

	DNSSEC	⚠️ Not signed
	A	121.13.239.38^{🇨🇳 CHINANET-BACKBONE121.8.0.0/13 China Telecom Network}

`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,}
	NS	`ns15.worldnic.com` ⭐
	NS	`ns16.worldnic.com`
	MX	`mail.matrix-circuits.com` ⭐
	SOA	`NS15.WORLDNIC.com`namehost@WORLDNIC.com serial=123103003

MX for

matrix-circuits.com

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DNS History

1 record (1 active, 0 former)

●A121.13.239.382015-06-14 → 2026-03-26 · 2 obs

● 2015-06-14 15:59:54
● 2026-03-26 23:17:20

🔍 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: 269ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.13.239.38`

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

mail.matrix-circuits.com serves as the mail server for matrix-circuits.com.

IP Addresses

mail.matrix-circuits.com points to an IP address: 121.13.239.38.

mail.matrix-circuits.com - robtex.com