`mail.ymfastec.com`

DNSSEC	⚠️ Not signed
A	60.249.189.17^{🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
		PTR	`spam.ymfastec.com`
		PTR	`spam.yingming.com.tw`
MX	`mail.ymfastec.com` ⭐
		A	60.249.189.17^{🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`spam.ymfastec.com`
			PTR	`spam.yingming.com.tw`

`ymfastec.com`

	DNSSEC	⚠️ Not signed
	NS	`admns3.hinet.net` ⭐
	NS	`admns4.hinet.net`
	MX	`spam.ymfastec.com` ⭐
	MX	`mail.ymfastec.com`⁽²⁰⁾
	TXT	`v=spf1 include:_spf.google.com ip4:60.249.189.16 ip4:60.249.189.17 ip4:220.13...`
	TXT	`Public-CA-domain-verification=11BE7D52CC25FFA3A15FA939A45BB3B8`
	SOA	`admns3.hinet.net`hostmaster@hinet.net serial=1774119601

MX for

mail.ymfastec.com

ymfastec.com

Same first word

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mail.(0x6c6f6c697461)punk.jp

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DNS History

2 records (2 active, 0 former)

●MXmail.ymfastec.com2026-03-20 → 2026-03-22 · 2 obs

● 2026-03-20 05:03:42
● 2026-03-22 23:14:58

●A60.249.189.172026-03-20 → 2026-03-22 · 2 obs

● 2026-03-20 05:03:42
● 2026-03-22 23:14:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ymfastec.com	admns3.hinet.net, admns4.hinet.net	-

✅ Authoritative Response

Server:203.74.116.193

NS records: admns3.hinet.net, admns4.hinet.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ymfastec.com (unsigned zone)

⏱️ Timing

Total: 1164ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`60.249.189.17`
MX	1	`mail.ymfastec.com (pri: 40)`

Analysis

Mail Server Role

mail.ymfastec.com serves as the mail server for mail.ymfastec.com and ymfastec.com.

spam.ymfastec.com is a mail server commonly used with mail.ymfastec.com.

IP Addresses

mail.ymfastec.com resolves to one IP number: 60.249.189.17.

other host names including spam.ymfastec.com, mail.ymhiten.com.tw, spam.ymhiten.com.tw, spam.yingming.com.tw and 60-249-189-17.hinet-ip.hinet.net share IP numbers with mail.ymfastec.com.

Mail Servers

mail.ymfastec.com is served by a single mail server, mail.ymfastec.com.

mail.ymfastec.com shares mail servers with other domains to some extent, for instance ymfastec.com.

mail.ymfastec.com resolves to IP 60.249.189.17.

mail.ymfastec.com - robtex.com