🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.rdc.com.tw`

	DNSSEC	⚠️ Not signed
	A	122.201.198.121^{🇹🇼 SAVECOM-TW122.201.192.0/20 Savecom Inc. 31F, No 333, Keelung Rd. Taipei, Taiwan}

`rdc.com.tw`

	DNSSEC	⚠️ Not signed
	NS	`ns2.rdc.com.tw` ⭐
	NS	`ns.rdc.com.tw`
	MX	`mx.rdc.com.tw` ⭐
	TXT	`uo23af01u5oic0bho53dfk1pac`
	TXT	`v=spf1 ip4:122.201.198.125 ip4:148.66.154.5 ~all`
	TXT	`MS=D34F17B9493FABE9DEC7CCDD8BD224E5F1DFBDB2`
	SOA	`ns.rdc.com.tw`itadmin@rdc.com.tw 2026-09-22 #3

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DNS History

1 record (1 active, 0 former)

●A122.201.198.1212026-09-10 → 2026-10-17 · 2 obs

● 2026-09-10 22:22:34
● 2026-10-17 02:41:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	g.dns.tw, a.dns.tw, c.dns.tw, b.dns.tw...	-
rdc.com.tw	ns.rdc.com.tw, ns2.rdc.com.tw	2 records

✅ Authoritative Response

Server:122.201.198.122

NS records: ns.rdc.com.tw, ns2.rdc.com.tw

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at tw: Error: DNS query timeout: 34.141.111.176 for DNSKEY tw

⏱️ Timing

Total: 3645ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`122.201.198.121`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns2.rdc.com.tw, ns.rdc.com.tw)

Analysis

IP Addresses

mail.rdc.com.tw resolves to just one IP address, 122.201.198.121.

mail.rdc.com.tw - robtex.com

mail.rdc.com.tw

rdc.com.tw