`tu66789.com`

DNSSEC	⚠️ Not signed
A	220.228.6.6^{🇹🇼 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	`tu66789.com` ⭐
		A	220.228.6.6^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.tu66789.com`⁽¹⁴⁾
		A	220.228.6.6^{🇹🇼 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

tu66789.com

Subdomains

www.tu66789.com

Same first word

tu66789.com

DNS History

9 records (8 active, 1 former)

●NSdns1.f1.com.tw2016-12-16 → 2026-03-24 · 2 obs

● 2016-12-16 02:13:24
● 2026-03-24 12:09:24

●NSdns2.f1.com.tw2016-12-16 → 2026-03-24 · 2 obs

● 2016-12-16 02:13:24
● 2026-03-24 12:09:24

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

○ 2016-12-16 02:13:24
● 2026-03-24 12:09:24

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

○ 2016-12-16 02:13:24
● 2026-03-24 12:09:24

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

○ 2016-12-16 02:13:24
● 2026-03-24 12:09:24

●MXtu66789.com2016-12-16 → 2026-03-24 · 2 obs

● 2016-12-16 02:13:24
● 2026-03-24 12:09:24

●MXwww.tu66789.com2016-12-16 → 2026-03-24 · 2 obs

● 2016-12-16 02:13:24
● 2026-03-24 12:09:24

●A220.228.6.62026-03-24 → 2026-03-24 · 2 obs

○ 2017-11-22 02:30:30
● 2026-03-24 12:09:24

○A60.199.193.2162016-12-16 → 2017-11-22 · 3 obs

● 2016-12-16 02:13:24
● 2017-11-22 02:30:30
○ 2026-03-24 12:09:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net...	-
tu66789.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 tu66789.com (unsigned zone)

⏱️ Timing

Total: 1109ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.6`
NS	2	`dns2.f1.com.tw, dns1.f1.com.tw`
MX	2	`www.tu66789.com (pri: 14), tu66789.com (pri: 10)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Hierarchy

tu66789.com is the parent of www.tu66789.com.

Mail Server Role

tu66789.com serves as the mail server for tu66789.com.

www.tu66789.com is commonly used as a mail server with tu66789.com.

IP Addresses

tu66789.com resolves to a single IP address: 220.228.6.6.

Other host names including www.7755h.com, 29ld.com, www.7555h.com, hhu79.com and kmm79.com share IP numbers with tu66789.com.

Name Servers

tu66789.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.

tu66789.com at least partially shares name servers with other domains, including uthome-296.com, 7555j.com, hot619.com, meme-680.com and s475.info.