`enggsource.com.tw`

DNSSEC	⚠️ Not signed
A	125.227.109.198^{🇹🇼 HiNet125.227.0.0/16 descr: (HiNet) Chunghwa Telecom Co., Ltd.}
		PTR	`cosmo-semico.com`
		PTR	`rhoochem.com`
		PTR	`sobeetech.com`
		PTR	`gbrco.net`
		PTR	`enggsource.com.tw`
NS	`router.enggsource.com.tw` ⭐
		A	125.227.109.198^{🇹🇼 HiNet125.227.0.0/16 descr: (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`cosmo-semico.com`
			PTR	`rhoochem.com`
			PTR	`sobeetech.com`
			PTR	`gbrco.net`
			PTR	`enggsource.com.tw`
NS	`dns.enggsource.com.tw` ⚠️ Not in zone NS records
MX	`enggsource.com.tw` ⭐
		A	125.227.109.198^{🇹🇼 HiNet125.227.0.0/16 descr: (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`cosmo-semico.com`
			PTR	`rhoochem.com`
			PTR	`sobeetech.com`
			PTR	`gbrco.net`
			PTR	`enggsource.com.tw`
TXT	`v=spf1 ip4:125.227.109.198/32 -all`
SOA	`router.enggsource.com.tw`root@enggsource.com.tw 2001-01-01 #1

`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=2006349701

WOT: SAFE (58/100)

PTR for

198.109.227.125.in-addr.arpa

MX for

enggsource.com.tw

Subdomains

mail.enggsource.com.tw

router.enggsource.com.tw

Same first word

enggsource.com.tw

DNS History

7 records (4 active, 3 former)

●NSdns.enggsource.com.tw2015-06-17 → 2026-05-12 · 2 obs

● 2015-06-17 22:34:06
● 2026-05-12 23:22:32

○NSenggsource.com.tw2015-06-17 → 2017-04-01 · 7 obs

● 2015-06-17 22:34:06
○ 2015-11-01 08:00:28
○ 2016-01-25 17:07:46
● 2016-05-11 03:11:50
● 2017-04-01 16:52:14
○ 2026-05-12 23:22:30
○ 2026-05-12 23:22:32

●NSrouter.enggsource.com.tw2015-06-17 → 2026-05-12 · 6 obs

● 2015-06-17 22:34:06
● 2016-01-25 17:07:46
○ 2016-05-11 03:11:50
○ 2017-04-01 16:52:14
● 2026-05-12 23:22:30
● 2026-05-12 23:22:32

●MXenggsource.com.tw2026-05-12 → 2026-05-12 · 3 obs

○ 2017-04-01 16:52:14
● 2026-05-12 23:22:30
● 2026-05-12 23:22:32

○MXmail.enggsource.com.tw2015-06-17 → 2017-04-01 · 4 obs

● 2015-06-17 22:34:06
● 2017-04-01 16:52:14
○ 2026-05-12 23:22:30
○ 2026-05-12 23:22:32

●A125.227.109.1982026-05-12 → 2026-05-12 · 3 obs

○ 2015-06-17 22:34:06
● 2026-05-12 23:22:30
● 2026-05-12 23:22:32

○A125.227.19.782015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 22:34:06
○ 2026-05-12 23:22:30
○ 2026-05-12 23:22:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	16 records
enggsource.com.tw	dns.enggsource.com.tw, router.enggsource.com.tw	2 records

✅ Authoritative Response

Server:125.227.109.198

NS records: dns.enggsource.com.tw, router.enggsource.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1122ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`125.227.109.198`
NS	1	`router.enggsource.com.tw`
MX	1	`enggsource.com.tw (pri: 1)`
TXT	1	`v=spf1 ip4:125.227.109.198/32 -all`
SOA	1	`router.enggsource.com.tw root.enggsource`

📌 Glue Records Collected

Total: 18

In-bailiwick: 16 (a.dns.tw, b.dns.tw, c.dns.tw...)

Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)

Analysis

Hierarchy

enggsource.com.tw is the parent of mail.enggsource.com.tw and router.enggsource.com.tw.

Mail Server Role

enggsource.com.tw is the mail server for enggsource.com.tw.

IP Addresses

enggsource.com.tw resolves to a single IP: 125.227.109.198.

Other host names, for instance router.gbrco.net, mail.gbrco.net, rhoochem.com, gbrco.net and router.cosmo-semico.com share IP numbers with enggsource.com.tw.

Name Servers

enggsource.com.tw has two name servers: dns.enggsource.com.tw and router.enggsource.com.tw.

Host names with a single IP number: router.enggsource.com.tw points to 125.227.109.198.

Mail Servers

One mail server handles enggsource.com.tw.

Host name enggsource.com.tw points to IP 125.227.109.198.

enggsource.com.tw - robtex.com