`ut5943.com`

DNSSEC	⚠️ Not signed
A	220.228.6.210^{🇹🇼 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	`ut5943.com` ⭐
		A	220.228.6.210^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.ut5943.com`⁽¹⁴⁾
		A	220.228.6.210^{🇹🇼 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=1774456827

MX for

ut5943.com

Same first word

ut5943.com

DNS History

9 records (8 active, 1 former)

●NSdns1.f1.com.tw2015-05-29 → 2026-03-25 · 2 obs

● 2015-05-29 07:20:34
● 2026-03-25 17:05:08

●NSdns2.f1.com.tw2015-05-29 → 2026-03-25 · 2 obs

● 2015-05-29 07:20:34
● 2026-03-25 17:05:08

●NSns1.icstock.com.tw2026-02-26 → 2026-03-25 · 3 obs

○ 2015-05-29 07:20:34
● 2026-02-26 11:27:02
● 2026-03-25 17:05:08

●NSns2.icstock.com.tw2026-02-26 → 2026-03-25 · 3 obs

○ 2015-05-29 07:20:34
● 2026-02-26 11:27:02
● 2026-03-25 17:05:08

●NSsp234.f1.com.tw2026-02-26 → 2026-03-25 · 3 obs

○ 2015-05-29 07:20:34
● 2026-02-26 11:27:02
● 2026-03-25 17:05:08

●MXut5943.com2015-05-29 → 2026-03-25 · 2 obs

● 2015-05-29 07:20:34
● 2026-03-25 17:05:08

●MXwww.ut5943.com2015-05-29 → 2026-03-25 · 2 obs

● 2015-05-29 07:20:34
● 2026-03-25 17:05:08

●A220.228.6.2102015-05-29 → 2026-03-25 · 5 obs

● 2015-05-29 07:20:34
○ 2015-11-05 09:39:54
○ 2017-02-17 06:34:08
● 2026-02-26 11:27:02
● 2026-03-25 17:05:08

○A220.228.6.432015-11-05 → 2017-02-17 · 5 obs

○ 2015-05-29 07:20:34
● 2015-11-05 09:39:54
● 2017-02-17 06:34:08
○ 2026-02-26 11:27:02
○ 2026-03-25 17:05:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
ut5943.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 ut5943.com (unsigned zone)

⏱️ Timing

Total: 1650ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.210`
NS	2	`dns1.f1.com.tw, dns2.f1.com.tw`
MX	2	`ut5943.com (pri: 10), www.ut5943.com (pri: 14)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Mail Server Role

For ut5943.com, the mail server is ut5943.com.

www.ut5943.com is a common mail server alongside ut5943.com.

IP Addresses

ut5943.com points to a single IP number: 220.228.6.210.

other host names for instance novatek.idv.tw, 7555q.com, dede55.com, mo520mo.com and nicole.idv.tw share IP numbers with ut5943.com.

Name Servers

ut5943.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.

ut5943.com at least partially shares name servers with other domains, for instance ez335.com, 383hot.com, 0401-match.com, 666-meimei.com and krlog.com.