`prdsf.com`

DNSSEC	⚠️ Not signed
A	220.228.6.241^{🇹🇼 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	`prdsf.com` ⭐
		A	220.228.6.241^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.prdsf.com`⁽¹⁴⁾
		A	220.228.6.241^{🇹🇼 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=1774365702

MX for

prdsf.com

Same first word

prdsf.com

Similar names

sfrdp.com

sprdf.ml

sdfrp.com.cn

pfsdr.com

dfspr.com

pfsrd.com

dprfs.com

drsfp.com

drpsf.org

frdps.net

fdpsr.ro

pdfsr.com

rdfps.com

frdps.com

rdpfs.org

psrdf.org

sfpdr.com

sdfrp.com

prfsd.com

frpsd.com

frpds.com

drfsp.ch

rdpfs.com

rfdps.com

pdsrf.com

sfrpd.com

sdrfp.com

rfdsp.com

DNS History

8 records (8 active, 0 former)

●NSdns1.f1.com.tw2026-02-18 → 2026-03-24 · 2 obs

● 2026-02-18 03:19:06
● 2026-03-24 15:41:42

●NSdns2.f1.com.tw2026-02-18 → 2026-03-24 · 2 obs

● 2026-02-18 03:19:06
● 2026-03-24 15:41:42

●NSns1.icstock.com.tw2026-02-18 → 2026-03-24 · 2 obs

● 2026-02-18 03:19:06
● 2026-03-24 15:41:42

●NSns2.icstock.com.tw2026-02-18 → 2026-03-24 · 2 obs

● 2026-02-18 03:19:06
● 2026-03-24 15:41:42

●NSsp234.f1.com.tw2026-02-18 → 2026-03-24 · 2 obs

● 2026-02-18 03:19:06
● 2026-03-24 15:41:42

●MXprdsf.com2026-02-18 → 2026-03-24 · 2 obs

● 2026-02-18 03:19:06
● 2026-03-24 15:41:42

●MXwww.prdsf.com2026-02-18 → 2026-03-24 · 2 obs

● 2026-02-18 03:19:06
● 2026-03-24 15:41:42

●A220.228.6.2412026-02-18 → 2026-03-24 · 2 obs

● 2026-02-18 03:19:06
● 2026-03-24 15:41:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
prdsf.com	ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw	-

✅ Authoritative Response

Server:218.32.213.234

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prdsf.com (unsigned zone)

⏱️ Timing

Total: 1243ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.241`
NS	2	`dns1.f1.com.tw, dns2.f1.com.tw`
MX	2	`www.prdsf.com (pri: 14), prdsf.com (pri: 10)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Mail Server Role

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

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

IP Addresses

prdsf.com points to a single IP: 220.228.6.241.

Other host names, for instance ctiop55.com, 9453ww.com, av(0x736578)4f.com, www.utgogo.com and ms159.zm159.com share IP numbers with prdsf.com.

Name Servers

prdsf.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.

prdsf.com at least partially shares its name servers with other domains, for instance show0509.com, utmimib.com, dudu801.com, z449.info and luxu856.com.