f641.com - dns.ninja

`f641.com`

DNSSEC	⚠️ Not signed
A	60.199.243.206^{🇹🇼 TFN-NET60.199.243.0/24 Taiwan Fixed Network}
		PTR	`60-199-243-206.static.tfn.net.tw`
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	`f641.com` ⭐
		A	60.199.243.206^{🇹🇼 TFN-NET60.199.243.0/24 Taiwan Fixed Network}
			PTR	`60-199-243-206.static.tfn.net.tw`
MX	`www.f641.com`⁽¹⁴⁾
		A	60.199.243.206^{🇹🇼 TFN-NET60.199.243.0/24 Taiwan Fixed Network}
			PTR	`60-199-243-206.static.tfn.net.tw`
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=1782589100

MX for

f641.com

Subdomains

www.f641.com

Same first word

f641.com

Similar names

f164.com

416f.net

f416.info

416f.com

146f.com

f461.com

f146.cn

DNS History

7 records (7 active, 0 former)

●NSdns1.f1.com.tw2015-08-12 → 2026-06-27 · 2 obs

● 2015-08-12 23:52:02
● 2026-06-27 19:59:32

●NSdns2.f1.com.tw2015-08-12 → 2026-06-27 · 2 obs

● 2015-08-12 23:52:02
● 2026-06-27 19:59:32

●NSsf243.f1.com.tw2026-04-10 → 2026-06-27 · 3 obs

○ 2015-08-12 23:52:02
● 2026-04-10 11:10:02
● 2026-06-27 19:59:32

●NSsp234.f1.com.tw2026-04-10 → 2026-06-27 · 3 obs

○ 2015-08-12 23:52:02
● 2026-04-10 11:10:02
● 2026-06-27 19:59:32

●MXf641.com2015-08-12 → 2026-06-27 · 2 obs

● 2015-08-12 23:52:02
● 2026-06-27 19:59:32

●MXwww.f641.com2015-08-12 → 2026-06-27 · 2 obs

● 2015-08-12 23:52:02
● 2026-06-27 19:59:32

●A60.199.243.2062015-08-12 → 2026-06-27 · 2 obs

● 2015-08-12 23:52:02
● 2026-06-27 19:59:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
f641.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 f641.com (unsigned zone)

⏱️ Timing

Total: 1663ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`60.199.243.206`
NS	2	`dns1.f1.com.tw, dns2.f1.com.tw`
MX	2	`www.f641.com (pri: 14), f641.com (pri: 10)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Hierarchy

www.f641.com is a subdomain of f641.com.

Mail Server Role

f641.com serves as a mail server for f641.com.

www.f641.com and f641.com tend to appear jointly as mail servers.

IP Addresses

f641.com has exactly one IP address — 60.199.243.206.

www.show-364.com, www.f183.info, 0401.bb-345.com plus two other host names have IP numbers in common with f641.com.

Name Servers

Four name servers handle the delegation for f641.com: dns1.f1.com.tw, dns2.f1.com.tw, sf243.f1.com.tw and sp234.f1.com.tw.

The name servers of f641.com overlap at least partially with those of other domains — among them mz42.com, chat-no1.com, oishow.com and two more.

These name servers commonly appear in delegations together with ns1.icstock.com.tw, ns2.icstock.com.tw, ns1.oknet.tw and 4 other.

Each of the four hosts has one IP address — dns1.f1.com.tw and sp234.f1.com.tw both point to 218.32.213.234 while dns2.f1.com.tw and sf243.f1.com.tw both point to 220.228.6.17.

These two host names — dns1.f1.com.tw and sp234.f1.com.tw — each point to 218.32.213.234 IP addresses.

These two host names — dns2.f1.com.tw and sf243.f1.com.tw — each point to 220.228.6.17 IP addresses.

Mail Servers

Two mail servers handle f641.com: f641.com and www.f641.com.

f641.com and www.f641.com share one IP address between them — 60.199.243.206.

These two host names — f641.com and www.f641.com — each point to 60.199.243.206 IP addresses.