`utt678.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.}
			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	`utt678.com` ⭐
		A	220.228.6.140^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.utt678.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

utt678.com

Subdomains

www.utt678.com

Same first word

utt678.com

DNS History

9 records (8 active, 1 former)

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

● 2016-12-16 23:54:12
● 2026-03-24 09:30:54

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

● 2016-12-16 23:54:12
● 2026-03-24 09:30:54

●NSns1.icstock.com.tw2026-03-05 → 2026-03-24 · 3 obs

○ 2016-12-16 23:54:12
● 2026-03-05 14:41:52
● 2026-03-24 09:30:54

●NSns2.icstock.com.tw2026-03-05 → 2026-03-24 · 3 obs

○ 2016-12-16 23:54:12
● 2026-03-05 14:41:52
● 2026-03-24 09:30:54

●NSsp234.f1.com.tw2026-03-05 → 2026-03-24 · 3 obs

○ 2016-12-16 23:54:12
● 2026-03-05 14:41:52
● 2026-03-24 09:30:54

●MXutt678.com2016-12-16 → 2026-03-24 · 2 obs

● 2016-12-16 23:54:12
● 2026-03-24 09:30:54

●MXwww.utt678.com2016-12-16 → 2026-03-24 · 2 obs

● 2016-12-16 23:54:12
● 2026-03-24 09:30:54

●A220.228.6.1402026-03-05 → 2026-03-24 · 3 obs

○ 2017-11-07 00:30:26
● 2026-03-05 14:41:52
● 2026-03-24 09:30:54

○A220.228.6.382016-12-16 → 2017-11-07 · 4 obs

● 2016-12-16 23:54:12
● 2017-11-07 00:30:26
○ 2026-03-05 14:41:52
○ 2026-03-24 09:30:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
utt678.com	ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw	-

✅ Authoritative Response

Server:218.32.210.72

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for utt678.com (unsigned zone)

⏱️ Timing

Total: 1369ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.140`
NS	2	`dns2.f1.com.tw, dns1.f1.com.tw`
MX	2	`www.utt678.com (pri: 14), utt678.com (pri: 10)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Hierarchy

utt678.com is parent of www.utt678.com.

Mail Server Role

utt678.com serves as a mail server for utt678.com.

www.utt678.com commonly serves as a mail server together with utt678.com.

IP Addresses

utt678.com points to a single IP: 220.228.6.140.

Other host names, for instance www.acme339.com, uss788.com, liubang168.com, ddft3.com and dune.com.tw share IP numbers with utt678.com.

Name Servers

utt678.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.

utt678.com at least partially shares its name servers with other domains, for instance h765.info, kiss579.com, mm336.com, uuf89.com and g795.com.