`yuhing.edu.tw`

DNSSEC	⚠️ Not signed
NS	`dns.yuhing.edu.tw` ⭐
		A	2001:288:8019:186::1^{🇹🇼 ERX-TANET-ASN12001:288::/32 Transit Customer AS1659 (TANet) of EBIX (AS17709)}
		A	163.15.186.1^{🇹🇼 NSYSU-TW163.15.0.0/16 REACH (Customer Route)}
			PTR	`dns.yuhing.edu.tw`
			PTR	`dns.st.yuhing.edu.tw`
MX	`ms1.yuhing.edu.tw` ⭐
		A	163.15.186.12^{🇹🇼 NSYSU-TW163.15.0.0/16 REACH (Customer Route)}
			PTR	`eip.yuhing.edu.tw`
			PTR	`ms1.yuhing.edu.tw`
MX	`ms.yuhing.edu.tw`⁽²⁰⁾
		A	163.15.186.2^{🇹🇼 NSYSU-TW163.15.0.0/16 REACH (Customer Route)}
			PTR	`ms.yuhing.edu.tw`
MX	`kail-test.yuhing.edu.tw`⁽³⁰⁾
		A	163.15.186.230^{🇹🇼 NSYSU-TW163.15.0.0/16 REACH (Customer Route)}
TXT	`IS9Zv0zuBqFcLvTr3m6gukJJBL9qvjEiGJES21FTrqM`
SOA	`dns.yuhing.edu.tw`admin@yuhing.edu.tw 2026-03-29 #2

`edu.tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`edudns-m1.edu.tw` ⭐
	NS	`a.twnic.net.tw`
	NS	`b.twnic.net.tw`
	NS	`c.twnic.net.tw`
	NS	`d.twnic.net.tw`
	NS	`edudns-a2.edu.tw`
	NS	`edudns-a3.edu.tw`
	NS	`edudns-a4.edu.tw`
	NS	`edudns-c1.edu.tw`
	NS	`edudns-c2.edu.tw`
	TXT	`jamf-site-verification=iTsa5llBeNJPZjx03bOPnQ`
	TXT	`jamf-site-verification=I8coFhzd4itqZ41_16qu6g`
	TXT	`xE9sqn7Dc5cGrd3WIdhv0NJu8OxT16N9eN7XuvsHa8w`
	SOA	`edudns-m1.edu.tw`abuse@moe.edu.tw serial=2013514612

WOT: SAFE (68/100)
WOT: SAFE (87/100)

Subdomains

st.yuhing.edu.tw

eip.yuhing.edu.tw

ms1.yuhing.edu.tw

mrtg2.yuhing.edu.tw

dns.yuhing.edu.tw

ms.yuhing.edu.tw

kail-test.yuhing.edu.tw

libm.yuhing.edu.tw

ep.yuhing.edu.tw

Same first word

yuhing.edu.tw

yuhing.com.hk

Similar names

hnguyi.com

ihugny.com

yinghu.cn

yinhug.com

hyungi.com

yinghu.com.cn

yihung.com

uynghi.com

DNS History

5 records (4 active, 1 former)

○NSdns-yuhing2015-08-15 → 2015-12-16 · 4 obs

● 2015-08-15 20:34:50
● 2015-12-16 06:28:14
○ 2016-01-13 02:51:02
○ 2026-04-12 06:20:12

●NSdns.yuhing.edu.tw2016-01-13 → 2026-04-12 · 3 obs

○ 2015-12-16 06:28:14
● 2016-01-13 02:51:02
● 2026-04-12 06:20:12

●MXkail-test.yuhing.edu.tw2026-02-22 → 2026-04-12 · 3 obs

○ 2015-08-15 20:34:50
● 2026-02-22 20:35:32
● 2026-04-12 06:20:12

●MXms.yuhing.edu.tw2015-08-15 → 2026-04-12 · 2 obs

● 2015-08-15 20:34:50
● 2026-04-12 06:20:12

●MXms1.yuhing.edu.tw2015-08-15 → 2026-04-12 · 2 obs

● 2015-08-15 20:34:50
● 2026-04-12 06:20:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	g.dns.tw, e.dns.tw, a.dns.tw, c.dns.tw...	-
yuhing.edu.tw	dns.yuhing.edu.tw	1 record

✅ Authoritative Response

Server:163.15.186.1

NS records: dns.yuhing.edu.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yuhing.edu.tw (unsigned zone)

⏱️ Timing

Total: 852ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	1	`dns.yuhing.edu.tw`
MX	3	`ms1.yuhing.edu.tw (pri: 20), kail-test.yuhing.edu.tw (pri: 30)...`
TXT	1	`IS9Zv0zuBqFcLvTr3m6gukJJBL9qvjEiGJES21FT`
SOA	1	`dns.yuhing.edu.tw admin.yuhing.edu.tw`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (dns.yuhing.edu.tw)

Analysis

Hierarchy

yuhing.edu.tw is the parent of st.yuhing.edu.tw, eip.yuhing.edu.tw, ms1.yuhing.edu.tw, mrtg2.yuhing.edu.tw, dns.yuhing.edu.tw and several other host names.

Name Servers

yuhing.edu.tw is delegated to the name server dns.yuhing.edu.tw.

yuhing.edu.tw shares the same name server setup as other domains, for example 186.15.163.in-addr.arpa.

Hostname dns.yuhing.edu.tw resolves to two IPs: 2001:288:8019:186::1 and 163.15.186.1.

Mail Servers

yuhing.edu.tw is handled by three mail servers: kail-test.yuhing.edu.tw, ms1.yuhing.edu.tw and ms.yuhing.edu.tw.

Host names with one IP number:

kail-test.yuhing.edu.tw points to: 163.15.186.230.

ms1.yuhing.edu.tw points to: 163.15.186.12.

ms.yuhing.edu.tw points to: 163.15.186.2.

yuhing.edu.tw - robtex.com

yuhing.edu.tw

edu.tw