`yihtaiglass.com.tw`

DNSSEC	⚠️ Not signed
A	103.1.221.213^{🇹🇼 YUANJHEN-TW103.1.220.0/23 Yuan-Jhen Info., Co., Ltd 12F., No.866-7, Zhongzheng Rd., Zhonghe Dist.,New Taipei City, 235, R.O.C NewTaipei City}
		PTR	`103-1-221-213.static.ip.net.tw`
NS	`dns1.yihtaiglass.com.tw` ⭐
		A	60.250.191.51^{🇹🇼 HiNet60.250.0.0/16}
			PTR	`mail.yihtaiglass.com.tw`
NS	`dns.yihtaiglass.com.tw`
		A	60.250.191.51^{🇹🇼 HiNet60.250.0.0/16}
			PTR	`mail.yihtaiglass.com.tw`
MX	`mx1.yihtaiglass.com.tw` ⭐
		A	60.250.191.51^{🇹🇼 HiNet60.250.0.0/16}
			PTR	`mail.yihtaiglass.com.tw`
MX	`mx.yihtaiglass.com.tw`⁽²⁰⁾
		A	60.250.191.51^{🇹🇼 HiNet60.250.0.0/16}
			PTR	`mail.yihtaiglass.com.tw`
TXT	`v=spf1 ip4:60.250.191.51/32 include:_spf.google.com ~all`
TXT	`ca939891e3b8ea4a9be011885b8dd84519e80bf01be30007efd1c01cd6d38d4`
SOA	`dns.yihtaiglass.com.tw`postmaster@yihtaiglass.com.tw 2018-01-01 #1

`com.tw`

	DNSSEC	⚠️ Not signed
	NS	`a.twnic.net.tw` ⭐
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006338037

WOT: SAFE (58/100)

Subdomains

mail.yihtaiglass.com.tw

dns1.yihtaiglass.com.tw

mx.yihtaiglass.com.tw

dns.yihtaiglass.com.tw

mx1.yihtaiglass.com.tw

Same first word

yihtaiglass.com.tw

DNS History

9 records (5 active, 4 former)

●NSdns.yihtaiglass.com.tw2026-03-02 → 2026-03-28 · 3 obs

○ 2018-09-11 02:34:50
● 2026-03-02 03:55:26
● 2026-03-28 12:44:32

●NSdns1.yihtaiglass.com.tw2026-03-02 → 2026-03-28 · 3 obs

○ 2018-09-11 02:34:50
● 2026-03-02 03:55:26
● 2026-03-28 12:44:32

○NSrsdn1.octor.com2015-07-03 → 2018-09-11 · 4 obs

● 2015-07-03 23:30:42
● 2018-09-11 02:34:50
○ 2026-03-02 03:55:26
○ 2026-03-28 12:44:32

○NSrsdn2.octor.com2015-07-03 → 2018-09-11 · 4 obs

● 2015-07-03 23:30:42
● 2018-09-11 02:34:50
○ 2026-03-02 03:55:26
○ 2026-03-28 12:44:32

○MXmail.yihtaiglass.com.tw2015-07-03 → 2018-09-11 · 4 obs

● 2015-07-03 23:30:42
● 2018-09-11 02:34:50
○ 2026-03-02 03:55:26
○ 2026-03-28 12:44:32

●MXmx.yihtaiglass.com.tw2026-03-02 → 2026-03-28 · 3 obs

○ 2018-09-11 02:34:50
● 2026-03-02 03:55:26
● 2026-03-28 12:44:32

●MXmx1.yihtaiglass.com.tw2026-03-02 → 2026-03-28 · 3 obs

○ 2018-09-11 02:34:50
● 2026-03-02 03:55:26
● 2026-03-28 12:44:32

●A103.1.221.2132026-03-22 → 2026-03-28 · 3 obs

○ 2026-03-18 16:36:26
● 2026-03-22 17:59:20
● 2026-03-28 12:44:32

○A203.69.43.1322026-03-02 → 2026-03-18 · 4 obs

● 2026-03-02 03:55:26
● 2026-03-18 16:36:26
○ 2026-03-22 17:59:20
○ 2026-03-28 12:44:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	g.dns.tw, d.dns.tw, a.dns.tw, c.dns.tw...	-
com.tw	c.twnic.net.tw, f.twnic.net.tw, g.twnic.net.tw, b.twnic.net.tw...	17 records
yihtaiglass.com.tw	dns.yihtaiglass.com.tw, dns1.yihtaiglass.com.tw	2 records

✅ Authoritative Response

Server:60.250.191.51

NS records: dns.yihtaiglass.com.tw, dns1.yihtaiglass.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yihtaiglass.com.tw (unsigned zone)

⏱️ Timing

Total: 1452ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.1.221.213`
NS	2	`dns.yihtaiglass.com.tw, dns1.yihtaiglass.com.tw`
MX	2	`mx1.yihtaiglass.com.tw (pri: 20), mx.yihtaiglass.com.tw (pri: 10)`
TXT	2	`ca939891e3b8ea4a9be011885b8dd84519e80bf0, v=spf1 ip4:60.250.191.51/32 include:_spf`
SOA	1	`dns.yihtaiglass.com.tw postmaster.yihtai`

📌 Glue Records Collected

Total: 19

In-bailiwick: 2 (dns1.yihtaiglass.com.tw, dns.yihtaiglass.com.tw)

Out-of-bailiwick: 17 (h.twnic.net.tw, g.twnic.net.tw, f.twnic.net.tw...)

Analysis

Hierarchy

yihtaiglass.com.tw is a parent of mail.yihtaiglass.com.tw, dns1.yihtaiglass.com.tw, mx.yihtaiglass.com.tw, dns.yihtaiglass.com.tw and mx1.yihtaiglass.com.tw.

IP Addresses

yihtaiglass.com.tw points to a single IP number: 103.1.221.213.

Other host names, for instance ulix.com.tw, win-champ.com.tw, ttic.net.tw, everrist.com.tw and 1974.com.tw share IP numbers with yihtaiglass.com.tw.

Name Servers

yihtaiglass.com.tw is delegated to two name servers: dns1.yihtaiglass.com.tw and dns.yihtaiglass.com.tw.

Host names with a single IP number:

dns1.yihtaiglass.com.tw points to 60.250.191.51.

dns.yihtaiglass.com.tw points to 60.250.191.51.

Host names pointing to 60.250.191.51: dns1.yihtaiglass.com.tw and dns.yihtaiglass.com.tw.

Mail Servers

yihtaiglass.com.tw is handled by two mail servers: mx1.yihtaiglass.com.tw and mx.yihtaiglass.com.tw.

Host names with a single IP number:

mx1.yihtaiglass.com.tw points to 60.250.191.51.

mx.yihtaiglass.com.tw points to 60.250.191.51.

Host names pointing to 60.250.191.51: mx1.yihtaiglass.com.tw and mx.yihtaiglass.com.tw.

yihtaiglass.com.tw - robtex.com