`deding-itsc.com.tw`

DNSSEC	⚠️ Not signed
A	61.216.179.180^{🇹🇼 HiNet61.216.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. Data Communication Business Group 21, Section 1, Hsin-Yi Road, Taipei Taiwan R.O.C.}
		PTR	`master-arch.com`
		PTR	`mail.js-conn.com`
		PTR	`mail.leh-yeh.com`
		PTR	`mail.master-arch.com`
		PTR	`mail.nitechmotor.com`
		PTR	`mail.theface-mask.com`
		PTR	`foxhunt.com.tw`
		PTR	`jinjennyang.com.tw`
		PTR	`mail.deding-itsc.com.tw`
		PTR	`mail.foxhunt.com.tw`
		PTR	`mail.jinjennyang.com.tw`
		PTR	`mail.yuehong.com.tw`
NS	`vdns1.seed.net.tw` ⭐
		A	61.20.46.203^{🇹🇼 FET-TW61.20.0.0/16 Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan}
			PTR	`vdns1.seed.net.tw`
NS	`vdns3.seed.net.tw`
		A	61.20.46.203^{🇹🇼 FET-TW61.20.0.0/16 Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan}
			PTR	`vdns1.seed.net.tw`
NS	`vdns4.seed.net.tw`
		A	61.20.46.204^{🇹🇼 FET-TW61.20.0.0/16 Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan}
			PTR	`vdns2.seed.net.tw`
MX	`mail.deding-itsc.com.tw` ⭐
		A	61.216.179.180^{🇹🇼 HiNet61.216.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. Data Communication Business Group 21, Section 1, Hsin-Yi Road, Taipei Taiwan R.O.C.}
			PTR	`master-arch.com`
			PTR	`mail.js-conn.com`
			PTR	`mail.leh-yeh.com`
			PTR	`mail.master-arch.com`
			PTR	`mail.nitechmotor.com`
			PTR	`mail.theface-mask.com`
			PTR	`foxhunt.com.tw`
			PTR	`jinjennyang.com.tw`
			PTR	`mail.deding-itsc.com.tw`
			PTR	`mail.foxhunt.com.tw`
			PTR	`mail.jinjennyang.com.tw`
			PTR	`mail.yuehong.com.tw`
TXT	`v=spf1 ip4:61.216.179.180 ~all`
SOA	`vdns1.seed.net.tw`sysop@vdns1.seed.net 2025-06-27 #5

`com.tw`

	DNSSEC	⚠️ Not signed
	NS	`a.twnic.net.tw` ⭐ ⚠️ Not in parent delegation
	NS	`anytld.apnic.net` ⚠️ Not in parent delegation
	NS	`b.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`c.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`d.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`e.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`f.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`g.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`h.dns.tw` ⚠️ Not in parent delegation
	NS	`h.twnic.net.tw` ⚠️ Not in parent delegation
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006336951

WOT: SAFE (58/100)

Subdomains

mail.deding-itsc.com.tw

Same first word

deding-itsc.com.tw

DNS History

5 records (5 active, 0 former)

●NSvdns1.seed.net.tw2026-03-07 → 2026-03-24 · 2 obs

● 2026-03-07 14:44:26
● 2026-03-24 19:16:24

●NSvdns3.seed.net.tw2026-03-07 → 2026-03-24 · 2 obs

● 2026-03-07 14:44:26
● 2026-03-24 19:16:24

●NSvdns4.seed.net.tw2026-03-07 → 2026-03-24 · 2 obs

● 2026-03-07 14:44:26
● 2026-03-24 19:16:24

●MXmail.deding-itsc.com.tw2026-03-07 → 2026-03-24 · 2 obs

● 2026-03-07 14:44:26
● 2026-03-24 19:16:24

●A61.216.179.1802026-03-07 → 2026-03-24 · 2 obs

● 2026-03-07 14:44:26
● 2026-03-24 19:16:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	-
deding-itsc.com.tw	vdns3.seed.net.tw, vdns4.seed.net.tw	-

✅ Authoritative Response

Server:61.20.46.203

NS records: vdns3.seed.net.tw, vdns4.seed.net.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for deding-itsc.com.tw (unsigned zone)

⏱️ Timing

Total: 1772ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`61.216.179.180`
NS	2	`vdns3.seed.net.tw, vdns4.seed.net.tw`
MX	1	`mail.deding-itsc.com.tw (pri: 10)`
TXT	1	`v=spf1 ip4:61.216.179.180 ~all`
SOA	1	`vdns1.seed.net.tw sysop.vdns1.seed.net`

Analysis

Hierarchy

deding-itsc.com.tw is a parent of mail.deding-itsc.com.tw.

IP Addresses

deding-itsc.com.tw points to a single IP number: 61.216.179.180.

Other host names, for instance mail.shouhsing.com.tw, mail.master-arch.com, mail.nitechmotor.com, mail.ming-jye.com.tw and shouhsing.com.tw share IP numbers with deding-itsc.com.tw.

Name Servers

The delegation for deding-itsc.com.tw is handled by three name servers: vdns1.seed.net.tw, vdns3.seed.net.tw and vdns4.seed.net.tw.

deding-itsc.com.tw at least partially shares name servers with other domains, for instance sunflower.com.tw, massage104.org.tw, sobile.tw, chihsi.com.tw and greenmasterfitness.com.tw.

These name servers are commonly used with the name servers vdns2.seed.net.tw.

Hostnames with a single IP:

vdns1.seed.net.tw points to: 61.20.46.203.

vdns3.seed.net.tw points to: 61.20.46.203.

vdns4.seed.net.tw points to: 61.20.46.204.

Names pointing to 61.20.46.203: vdns1.seed.net.tw and vdns3.seed.net.tw.

Mail Servers

deding-itsc.com.tw is handled by a single mail server, mail.deding-itsc.com.tw.

mail.deding-itsc.com.tw points to a single IP: 61.216.179.180.

deding-itsc.com.tw - robtex.com