`k173z.com`

DNSSEC	⚠️ Not signed
A	220.228.6.9^{🇹🇼 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.}
			PTR	`sp72.f1.com.tw`
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	`k173z.com` ⭐
		A	220.228.6.9^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.k173z.com`⁽¹⁴⁾
		A	220.228.6.9^{🇹🇼 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

k173z.com

Same first word

k173z.com

Similar names

zk173.com

173kz.com

zk371.com

DNS History

8 records (8 active, 0 former)

●NSdns1.f1.com.tw2026-03-16 → 2026-03-24 · 2 obs

● 2026-03-16 14:51:58
● 2026-03-24 03:14:16

●NSdns2.f1.com.tw2026-03-16 → 2026-03-24 · 2 obs

● 2026-03-16 14:51:58
● 2026-03-24 03:14:16

●NSns1.icstock.com.tw2026-03-16 → 2026-03-24 · 2 obs

● 2026-03-16 14:51:58
● 2026-03-24 03:14:16

●NSns2.icstock.com.tw2026-03-16 → 2026-03-24 · 2 obs

● 2026-03-16 14:51:58
● 2026-03-24 03:14:16

●NSsp234.f1.com.tw2026-03-16 → 2026-03-24 · 2 obs

● 2026-03-16 14:51:58
● 2026-03-24 03:14:16

●MXk173z.com2026-03-16 → 2026-03-24 · 2 obs

● 2026-03-16 14:51:58
● 2026-03-24 03:14:16

●MXwww.k173z.com2026-03-16 → 2026-03-24 · 2 obs

● 2026-03-16 14:51:58
● 2026-03-24 03:14:16

●A220.228.6.92026-03-16 → 2026-03-24 · 2 obs

● 2026-03-16 14:51:58
● 2026-03-24 03:14:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
k173z.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 k173z.com (unsigned zone)

⏱️ Timing

Total: 1268ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.9`
NS	2	`dns2.f1.com.tw, dns1.f1.com.tw`
MX	2	`k173z.com (pri: 10), www.k173z.com (pri: 14)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Mail Server Role

k173z.com serves as the mail server for k173z.com.

www.k173z.com is commonly used as a mail server with k173z.com.

IP Addresses

k173z.com points to IP number 220.228.6.9.

For instance, other host names www.y676y.com, s2345s.com, cesddh.com, www.cesddh.com and ay675.com share IP numbers with k173z.com.

Name Servers

k173z.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.

k173z.com shares name servers with other domains at least partially, for example j917.com, c753.com, free5366.com, 8c8t.com and kttk61.com.