`smtp.sysjust.com.tw`

	DNSSEC	⚠️ Not signed
	A	203.67.175.95^{🇹🇼 Seednet203.67.175.0/24 SeedNet}

`sysjust.com.tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-cloud-b1.googledomains.com` ⭐
	NS	`ns-cloud-b2.googledomains.com`
	NS	`ns-cloud-b3.googledomains.com`
	NS	`ns-cloud-b4.googledomains.com`
	MX	`smtp.sysjust.com.tw` ⭐
	TXT	`8ruQY9pPI1Xt0ECGtP1mo8jPJslXbpX3tUhid6YzP74`
	TXT	`google-site-verification=i3aGRhscSjxhBGaqdl5ReaGLrNvI02CLK2quO7PxcN4`
	TXT	`v=spf1 ip4:203.67.175.95 include:sysjust.com.tw -all`
	TXT	`gtEZ7qpdAudK0sbVR1TfENugMmvMotxhhzozwInwS_k`
	SOA	`ns-cloud-b1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

MX for

sysjust.com.tw

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DNS History

3 records (1 active, 2 former)

●A203.67.175.952026-03-27 → 2026-04-14 · 3 obs

○ 2017-07-24 02:00:30
● 2026-03-27 21:47:00
● 2026-04-14 07:58:02

○A210.66.194.122014-09-23 → 2017-07-24 · 4 obs

● 2014-09-23 22:26:00
● 2017-07-24 02:00:30
○ 2026-03-27 21:47:00
○ 2026-04-14 07:58:02

○PTR95.175.67.203.in-addr.arpa2026-03-27 → 2026-04-14 · 2 obs

○ 2026-03-27 21:47:00
○ 2026-04-14 07:58:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	g.dns.tw, e.dns.tw, a.dns.tw, c.dns.tw...	-
sysjust.com.tw	ns-cloud-b4.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com	-

✅ Authoritative Response

Server:216.239.32.107

NS records: ns-cloud-b4.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 684ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.67.175.95`

Analysis

Mail Server Role

smtp.sysjust.com.tw handles mail for sysjust.com.tw.

IP Addresses

smtp.sysjust.com.tw points to a single IP address: 203.67.175.95.

smtp.sysjust.com.tw - robtex.com