`huwangtw.com`

DNSSEC	⚠️ Not signed
A	103.144.33.161^{🇹🇼 NSS-GROUP-AS-TW103.144.33.0/24 NSS INT'L CO., LTD.}
		PTR	`sp9.coowo.com`
NS	`n.coowo.com` ⭐
		A	103.118.24.133^{🇹🇼 NSS-GROUP-AS-TW103.118.24.0/24 NSS INT'L CO., LTD.}
			PTR	`n.coowo.com`
NS	`m.coowo.com`
		A	103.118.24.13^{🇹🇼 NSS-GROUP-AS-TW103.118.24.0/24 NSS INT'L CO., LTD.}
			PTR	`m.coowo.com`
MX	`mail.huwangtw.com` ⭐
		A	103.144.33.161^{🇹🇼 NSS-GROUP-AS-TW103.144.33.0/24 NSS INT'L CO., LTD.}
			PTR	`sp9.coowo.com`
TXT	`v=spf1 a mx ip4:103.118.24.0/24 ip4:103.118.25.0/24 include:_spf.google.com i...`
SOA	`n.coowo.com`daniel@huwangtw.com serial=1742893608

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Subdomains

mail.huwangtw.com

Same first word

huwangtw.com

DNS History

8 records (4 active, 4 former)

●NSm.coowo.com2015-05-09 → 2026-03-24 · 5 obs

● 2015-05-09 02:38:32
● 2016-11-14 10:48:44
○ 2017-04-14 05:51:36
● 2019-08-25 10:01:34
● 2026-03-24 08:42:52

●NSn.coowo.com2015-05-09 → 2026-03-24 · 2 obs

● 2015-05-09 02:38:32
● 2026-03-24 08:42:52

●MXmail.huwangtw.com2015-05-09 → 2026-03-24 · 2 obs

● 2015-05-09 02:38:32
● 2026-03-24 08:42:52

○A103.118.26.502019-08-25 → 2019-08-25 · 3 obs

○ 2018-09-27 02:32:26
● 2019-08-25 10:01:34
○ 2026-03-24 08:42:52

●A103.144.33.1612026-03-24 → 2026-03-24 · 2 obs

○ 2019-08-25 10:01:34
● 2026-03-24 08:42:52

○A203.74.203.1612017-04-14 → 2018-09-27 · 5 obs

○ 2016-11-14 10:48:44
● 2017-04-14 05:51:36
● 2018-09-27 02:32:26
○ 2019-08-25 10:01:34
○ 2026-03-24 08:42:52

○A60.199.166.1152015-10-16 → 2016-11-14 · 5 obs

○ 2015-05-09 02:38:32
● 2015-10-16 20:10:58
● 2016-11-14 10:48:44
○ 2017-04-14 05:51:36
○ 2026-03-24 08:42:52

○A60.199.166.902015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 02:38:32
○ 2015-10-16 20:10:58
○ 2026-03-24 08:42:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
huwangtw.com	m.coowo.com, n.coowo.com	2 records

✅ Authoritative Response

Server:103.118.24.13

NS records: m.coowo.com, n.coowo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for huwangtw.com (unsigned zone)

⏱️ Timing

Total: 482ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.144.33.161`
NS	2	`n.coowo.com, m.coowo.com`
MX	1	`mail.huwangtw.com (pri: 10)`
TXT	1	`v=spf1 a mx ip4:103.118.24.0/24 ip4:103.`
SOA	1	`n.coowo.com daniel.huwangtw.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (m.coowo.com, n.coowo.com)

Analysis

Hierarchy

huwangtw.com is the parent of mail.huwangtw.com.

IP Addresses

huwangtw.com resolves to a single IP address: 103.144.33.161.

Other host names including pieart.com.tw, mail.dayuest.com, mail.toho-leo.com, mail.cydinx.com and mail.shimbi-menu.com.tw share IP numbers with huwangtw.com.

Name Servers

huwangtw.com's delegation uses two name servers, m.coowo.com and n.coowo.com.

huwangtw.com shares the same name server setup as other domains, for example slaytar.com, e2elephant.com.tw, bags.org.tw, tophcc.com.tw and asonline.com.tw.

huwangtw.com at least partially shares name servers with other domains, including ncpis.com, lida-log.com, kuoming.com.tw, robuchon.com.tw and k(0x77616e6b)ing.com.

These name servers are commonly used with ns3.coowo.com and ns4.coowo.com.

Host names with a single IP:

m.coowo.com points to 103.118.24.13.

n.coowo.com points to 103.118.24.133.

Mail Servers

huwangtw.com is handled by a single mail server, mail.huwangtw.com.

mail.huwangtw.com points to a single IP: 103.144.33.161.

huwangtw.com - robtex.com

huwangtw.com

com