`hku030.com`

DNSSEC	⚠️ Not signed
A	220.228.6.140^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
NS	`dns1.f1.com.tw` ⭐ ⚠️ Not in parent delegation
		A	218.32.213.234^{🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd.}
			PTR	`sp234.f1.com.tw`
NS	`dns2.f1.com.tw` ⚠️ Not in parent delegation
		A	220.228.6.17^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
NS	`ns1.icstock.com.tw` ⚠️ Not in zone NS records
		A	218.32.213.228^{🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd.}
			PTR	`sp228.f1.com.tw`
NS	`ns2.icstock.com.tw` ⚠️ Not in zone NS records
		A	218.32.210.72^{🇹🇼 NCIC-TW218.32.210.0/24 New Century InfoComm Tech Co., Ltd.}
NS	`sp234.f1.com.tw` ⚠️ Not in zone NS records
		A	218.32.213.234^{🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd.}
			PTR	`sp234.f1.com.tw`
MX	`hku030.com` ⭐
		A	220.228.6.140^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.hku030.com`⁽¹⁴⁾
		A	220.228.6.140^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
SOA	`dns1.f1.com.tw`ohgo@ms23.hinet.net 2000-11-01 #8

`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

MX for

hku030.com

Subdomains

www.hku030.com

Same first word

hku030.com

DNS History

8 records (8 active, 0 former)

●NSdns1.f1.com.tw2026-03-01 → 2026-03-23 · 2 obs

● 2026-03-01 00:08:02
● 2026-03-23 19:43:08

●NSdns2.f1.com.tw2026-03-01 → 2026-03-23 · 2 obs

● 2026-03-01 00:08:02
● 2026-03-23 19:43:08

●NSns1.icstock.com.tw2026-03-01 → 2026-03-23 · 2 obs

● 2026-03-01 00:08:02
● 2026-03-23 19:43:08

●NSns2.icstock.com.tw2026-03-01 → 2026-03-23 · 2 obs

● 2026-03-01 00:08:02
● 2026-03-23 19:43:08

●NSsp234.f1.com.tw2026-03-01 → 2026-03-23 · 2 obs

● 2026-03-01 00:08:02
● 2026-03-23 19:43:08

●MXhku030.com2026-03-01 → 2026-03-23 · 2 obs

● 2026-03-01 00:08:02
● 2026-03-23 19:43:08

●MXwww.hku030.com2026-03-01 → 2026-03-23 · 2 obs

● 2026-03-01 00:08:02
● 2026-03-23 19:43:08

●A220.228.6.1402026-03-01 → 2026-03-23 · 2 obs

● 2026-03-01 00:08:02
● 2026-03-23 19:43:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
hku030.com	ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw	-

✅ Authoritative Response

Server:218.32.213.228

NS records: ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hku030.com (unsigned zone)

⏱️ Timing

Total: 1427ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.140`
NS	2	`dns2.f1.com.tw, dns1.f1.com.tw`
MX	2	`hku030.com (pri: 10), www.hku030.com (pri: 14)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Hierarchy

hku030.com is the parent of www.hku030.com.

Mail Server Role

For hku030.com, the mail server is hku030.com.

www.hku030.com is a common mail server alongside hku030.com.

IP Addresses

hku030.com points to a single IP number: 220.228.6.140.

other host names for instance usk36.com, utt678.com, utu935.com, ray1688.com and www.hku030.com share IP numbers with hku030.com.

Name Servers

hku030.com is delegated to five name servers: dns1.f1.com.tw, dns2.f1.com.tw, sp234.f1.com.tw, ns1.icstock.com.tw and ns2.icstock.com.tw.

hku030.com at least partially shares name servers with other domains, for instance g697.com, gigi467.com, (0x736578)y287.com, uuv56.com and o710.com.