`showbar520.com`

DNSSEC	⚠️ Not signed
A	220.228.7.76^{🇹🇼 NCIC-TW220.228.7.0/24 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	`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	`showbar520.com` ⭐
		A	220.228.7.76^{🇹🇼 NCIC-TW220.228.7.0/24 New Century InfoComm Tech Co., Ltd.}
MX	`www.showbar520.com`⁽¹⁴⁾
		A	220.228.7.76^{🇹🇼 NCIC-TW220.228.7.0/24 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=1774389407

MX for

showbar520.com

Subdomains

www.showbar520.com

Same first word

showbar520.com

DNS History

7 records (7 active, 0 former)

●NSdns1.f1.com.tw2015-05-24 → 2026-03-24 · 2 obs

● 2015-05-24 13:50:22
● 2026-03-24 22:20:44

●NSdns2.f1.com.tw2015-05-24 → 2026-03-24 · 2 obs

● 2015-05-24 13:50:22
● 2026-03-24 22:20:44

●NSsf243.f1.com.tw2026-02-24 → 2026-03-24 · 3 obs

○ 2015-05-24 13:50:22
● 2026-02-24 04:01:32
● 2026-03-24 22:20:44

●NSsp234.f1.com.tw2026-02-24 → 2026-03-24 · 3 obs

○ 2015-05-24 13:50:22
● 2026-02-24 04:01:32
● 2026-03-24 22:20:44

●MXshowbar520.com2015-05-24 → 2026-03-24 · 2 obs

● 2015-05-24 13:50:22
● 2026-03-24 22:20:44

●MXwww.showbar520.com2015-05-24 → 2026-03-24 · 2 obs

● 2015-05-24 13:50:22
● 2026-03-24 22:20:44

●A220.228.7.762015-05-24 → 2026-03-24 · 2 obs

● 2015-05-24 13:50:22
● 2026-03-24 22:20:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...	-
showbar520.com	sf243.f1.com.tw, sp234.f1.com.tw	-

✅ Authoritative Response

Server:218.32.213.234

NS records: sf243.f1.com.tw, sp234.f1.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for showbar520.com (unsigned zone)

⏱️ Timing

Total: 1360ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.7.76`
NS	2	`dns1.f1.com.tw, dns2.f1.com.tw`
MX	2	`www.showbar520.com (pri: 14), showbar520.com (pri: 10)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Hierarchy

showbar520.com is parent of www.showbar520.com.

Mail Server Role

showbar520.com serves as a mail server for showbar520.com.

www.showbar520.com commonly serves as a mail server together with showbar520.com.

IP Addresses

showbar520.com points to a single IP: 220.228.7.76.

Other host names, for instance www.showbar520.com, 5075.info, www.9725.info, www.roomut.com and roomut.com share IP numbers with showbar520.com.

Name Servers

showbar520.com is delegated to four name servers: dns1.f1.com.tw, dns2.f1.com.tw, sf243.f1.com.tw and sp234.f1.com.tw.

showbar520.com at least partially shares its name servers with other domains, for instance f28.info, rapidprint.com.tw, lv173.com, momo-617.com and x348.com.