b53c.com - dns.ninja

`b53c.com`

DNSSEC	⚠️ Not signed
A	220.228.6.128^{🇹🇼 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	`b53c.com` ⭐
		A	220.228.6.128^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.b53c.com`⁽¹⁴⁾
		A	220.228.6.128^{🇹🇼 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=1782820896

MX for

b53c.com

Subdomains

www.b53c.com

Same first word

b53c.com

Similar names

b35c.com

53cb.com

35bc.com

cb53.cn

cb35.net

DNS History

11 records (8 active, 3 former)

●NSdns1.f1.com.tw2026-02-24 → 2026-06-30 · 3 obs

○ 2018-06-04 08:19:10
● 2026-02-24 07:48:16
● 2026-06-30 12:21:52

●NSdns2.f1.com.tw2026-02-24 → 2026-06-30 · 3 obs

○ 2018-06-04 08:19:10
● 2026-02-24 07:48:16
● 2026-06-30 12:21:52

●NSns1.icstock.com.tw2026-02-24 → 2026-06-30 · 3 obs

○ 2018-06-04 08:19:10
● 2026-02-24 07:48:16
● 2026-06-30 12:21:52

●NSns2.icstock.com.tw2026-02-24 → 2026-06-30 · 3 obs

○ 2018-06-04 08:19:10
● 2026-02-24 07:48:16
● 2026-06-30 12:21:52

○NSns6.dnsdun.com2018-06-04 → 2018-06-04 · 3 obs

● 2018-06-04 08:19:10
○ 2026-02-24 07:48:16
○ 2026-06-30 12:21:52

○NSns6.dnsdun.net2018-06-04 → 2018-06-04 · 3 obs

● 2018-06-04 08:19:10
○ 2026-02-24 07:48:16
○ 2026-06-30 12:21:52

●NSsp234.f1.com.tw2026-02-24 → 2026-06-30 · 3 obs

○ 2018-06-04 08:19:10
● 2026-02-24 07:48:16
● 2026-06-30 12:21:52

●MXb53c.com2026-02-24 → 2026-06-30 · 2 obs

● 2026-02-24 07:48:16
● 2026-06-30 12:21:52

●MXwww.b53c.com2026-02-24 → 2026-06-30 · 2 obs

● 2026-02-24 07:48:16
● 2026-06-30 12:21:52

○A103.88.177.942018-06-04 → 2018-06-04 · 3 obs

● 2018-06-04 08:19:10
○ 2026-02-24 07:48:16
○ 2026-06-30 12:21:52

●A220.228.6.1282026-02-24 → 2026-06-30 · 3 obs

○ 2018-06-04 08:19:10
● 2026-02-24 07:48:16
● 2026-06-30 12:21:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...	-
b53c.com	ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw	-

✅ Authoritative Response

Server:218.32.213.228

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b53c.com (unsigned zone)

⏱️ Timing

Total: 1378ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.128`
NS	2	`dns2.f1.com.tw, dns1.f1.com.tw`
MX	2	`www.b53c.com (pri: 14), b53c.com (pri: 10)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Hierarchy

b53c.com is the parent zone for www.b53c.com.

Mail Server Role

b53c.com acts as its own mail server.

www.b53c.com and b53c.com are commonly paired as mail servers.

IP Addresses

b53c.com points to a single IP number: 220.228.6.128.

Additional host names — bkkerw.com, 2u2a.com, www.2vvc.com and two others — share IP numbers with b53c.com.

Name Servers

Delegation for b53c.com is to five name servers: dns1.f1.com.tw, dns2.f1.com.tw, sp234.f1.com.tw and two others.

b53c.com partially shares its NS delegation with several other domains, including live-211.com, utmimia.com, p579.com and two others.

These name servers are frequently paired with the name servers ns1.icstock.com.tw, ns2.icstock.com.tw, ns1.oknet.tw and two others.

Host names pointing to a single IP address:

dns1.f1.com.tw resolves to 218.32.213.234.

dns2.f1.com.tw resolves to 220.228.6.17.

sp234.f1.com.tw resolves to 218.32.213.234.

ns1.icstock.com.tw resolves to 218.32.213.228.

ns2.icstock.com.tw resolves to 218.32.210.72.

The host names dns1.f1.com.tw and sp234.f1.com.tw both resolve to 218.32.213.234 IP addresses.

Mail Servers

Mail for b53c.com is routed through two mail servers — b53c.com and www.b53c.com.

b53c.com and www.b53c.com each point to one IP address — 220.228.6.128.

The host names b53c.com and www.b53c.com both resolve to 220.228.6.128 IP addresses.