`att667.com`

DNSSEC	⚠️ Not signed
A	220.228.6.235^{🇹🇼 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	`att667.com` ⭐
		A	220.228.6.235^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.att667.com`⁽¹⁴⁾
		A	220.228.6.235^{🇹🇼 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=1774478742

MX for

att667.com

Same first word

att667.com

DNS History

10 records (8 active, 2 former)

●NSdns1.f1.com.tw2026-02-28 → 2026-03-25 · 3 obs

○ 2018-07-20 12:42:16
● 2026-02-28 15:49:58
● 2026-03-25 23:15:34

●NSdns2.f1.com.tw2026-02-28 → 2026-03-25 · 3 obs

○ 2018-07-20 12:42:16
● 2026-02-28 15:49:58
● 2026-03-25 23:15:34

○NSf1g1ns1.dnspod.net2018-07-20 → 2018-07-20 · 3 obs

● 2018-07-20 12:42:16
○ 2026-02-28 15:49:58
○ 2026-03-25 23:15:34

●NSns1.icstock.com.tw2026-02-28 → 2026-03-25 · 3 obs

○ 2018-07-20 12:42:16
● 2026-02-28 15:49:58
● 2026-03-25 23:15:34

●NSns2.icstock.com.tw2026-02-28 → 2026-03-25 · 3 obs

○ 2018-07-20 12:42:16
● 2026-02-28 15:49:58
● 2026-03-25 23:15:34

●NSsp234.f1.com.tw2026-02-28 → 2026-03-25 · 3 obs

○ 2018-07-20 12:42:16
● 2026-02-28 15:49:58
● 2026-03-25 23:15:34

●MXatt667.com2026-02-28 → 2026-03-25 · 2 obs

● 2026-02-28 15:49:58
● 2026-03-25 23:15:34

●MXwww.att667.com2026-02-28 → 2026-03-25 · 2 obs

● 2026-02-28 15:49:58
● 2026-03-25 23:15:34

○A154.80.154.1782018-07-20 → 2018-07-20 · 3 obs

● 2018-07-20 12:42:16
○ 2026-02-28 15:49:58
○ 2026-03-25 23:15:34

●A220.228.6.2352026-02-28 → 2026-03-25 · 3 obs

○ 2018-07-20 12:42:16
● 2026-02-28 15:49:58
● 2026-03-25 23:15:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
att667.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 att667.com (unsigned zone)

⏱️ Timing

Total: 1184ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.235`
NS	2	`dns2.f1.com.tw, dns1.f1.com.tw`
MX	2	`att667.com (pri: 10), www.att667.com (pri: 14)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Mail Server Role

For att667.com, the mail server is att667.com.

www.att667.com is a mail server commonly used with att667.com.

IP Addresses

att667.com resolves to one IP number: 220.228.6.235.

other host names including 2tib.com, ata273.com, www.aa383.club, www.2tib.com and kttk62.com share IP numbers with att667.com.

Name Servers

att667.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.

att667.com at least partially shares name servers with other domains, for instance chat-380.com, cam217.com, dudu519.com, yuyyapp.com and gigi576.com.