`yu66.com`

DNSSEC	⚠️ Not signed
A	220.228.6.93^{🇹🇼 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	`sf243.f1.com.tw` ⚠️ Not in zone NS records
		A	220.228.6.17^{🇹🇼 NCIC-TW220.228.0.0/19 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	`yu66.com` ⭐
		A	220.228.6.93^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.yu66.com`⁽¹⁴⁾
		A	220.228.6.93^{🇹🇼 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=1774369342

MX for

yu66.com

Subdomains

www.yu66.com

Same first word

yu66.com

Similar names

y6u6.com

6u6y.com

DNS History

8 records (7 active, 1 former)

●NSdns1.f1.com.tw2015-06-02 → 2026-03-24 · 3 obs

○ 2008-03-20 00:16:36
● 2015-06-02 02:39:08
● 2026-03-24 16:26:02

●NSdns2.f1.com.tw2015-06-02 → 2026-03-24 · 3 obs

○ 2008-03-20 00:16:36
● 2015-06-02 02:39:08
● 2026-03-24 16:26:02

●NSsf243.f1.com.tw2008-03-20 → 2026-03-24 · 5 obs

● 2008-03-20 00:16:36
○ 2015-06-02 02:39:08
○ 2019-12-22 07:34:00
● 2026-03-19 10:32:48
● 2026-03-24 16:26:02

●NSsp234.f1.com.tw2008-03-20 → 2026-03-24 · 5 obs

● 2008-03-20 00:16:36
○ 2015-06-02 02:39:08
○ 2019-12-22 07:34:00
● 2026-03-19 10:32:48
● 2026-03-24 16:26:02

●MXwww.yu66.com2008-03-20 → 2026-03-24 · 2 obs

● 2008-03-20 00:16:36
● 2026-03-24 16:26:02

●MXyu66.com2008-03-20 → 2026-03-24 · 2 obs

● 2008-03-20 00:16:36
● 2026-03-24 16:26:02

○A218.32.210.882008-03-20 → 2015-06-02 · 4 obs

● 2008-03-20 00:16:36
● 2015-06-02 02:39:08
○ 2015-10-17 23:39:22
○ 2026-03-24 16:26:02

●A220.228.6.932015-10-17 → 2026-03-24 · 3 obs

○ 2015-06-02 02:39:08
● 2015-10-17 23:39:22
● 2026-03-24 16:26:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
yu66.com	sf243.f1.com.tw, sp234.f1.com.tw	-

✅ Authoritative Response

Server:220.228.6.17

NS records: sf243.f1.com.tw, sp234.f1.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yu66.com (unsigned zone)

⏱️ Timing

Total: 1434ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.93`
NS	2	`dns2.f1.com.tw, dns1.f1.com.tw`
MX	2	`www.yu66.com (pri: 14), yu66.com (pri: 10)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Hierarchy

yu66.com is the parent of www.yu66.com.

Mail Server Role

yu66.com serves as the mail server for yu66.com.

www.yu66.com is commonly used as a mail server with yu66.com.

IP Addresses

yu66.com points to IP number 220.228.6.93.

For instance, other host names www.meme-475.com, www.show69s.com, www.(0x736578)y603.com, (0x736578)y603.com and show69s.com share IP numbers with yu66.com.

Name Servers

yu66.com is delegated to four name servers: dns1.f1.com.tw, dns2.f1.com.tw, sf243.f1.com.tw and sp234.f1.com.tw.

yu66.com shares name servers with other domains at least partially, for example 1007show.com, av983.com, kiss556.com, chat-159.com and uthome-526.com.