`cherdk.com`

DNSSEC	⚠️ Not signed
A	220.228.6.172^{🇹🇼 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. No. 220, Gangchi Rd., Taipei 114 Taiwan}
			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	`cherdk.com` ⭐
		A	220.228.6.172^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.cherdk.com`⁽¹⁴⁾
		A	220.228.6.172^{🇹🇼 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=1771291435

MX for

cherdk.com

Same first word

cherdk.com

Similar names

drchek.ir

drheck.eu

hkerdc.org

dhreck.com

drheck.com

drheck.net

DNS History

8 records (8 active, 0 former)

●NSdns1.f1.com.tw2026-02-17 → 2026-03-18 · 2 obs

● 2026-02-17 08:12:06
● 2026-03-18 11:17:04

●NSdns2.f1.com.tw2026-02-17 → 2026-03-18 · 2 obs

● 2026-02-17 08:12:06
● 2026-03-18 11:17:04

●NSns1.icstock.com.tw2026-02-17 → 2026-03-18 · 2 obs

● 2026-02-17 08:12:06
● 2026-03-18 11:17:04

●NSns2.icstock.com.tw2026-02-17 → 2026-03-18 · 2 obs

● 2026-02-17 08:12:06
● 2026-03-18 11:17:04

●NSsp234.f1.com.tw2026-02-17 → 2026-03-18 · 2 obs

● 2026-02-17 08:12:06
● 2026-03-18 11:17:04

●MXcherdk.com2026-02-17 → 2026-03-18 · 2 obs

● 2026-02-17 08:12:06
● 2026-03-18 11:17:04

●MXwww.cherdk.com2026-02-17 → 2026-03-18 · 2 obs

● 2026-02-17 08:12:06
● 2026-03-18 11:17:04

●A220.228.6.1722026-02-17 → 2026-03-18 · 2 obs

● 2026-02-17 08:12:06
● 2026-03-18 11:17:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cherdk.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 cherdk.com (unsigned zone)

⏱️ Timing

Total: 1694ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.172`
NS	2	`dns1.f1.com.tw, dns2.f1.com.tw`
MX	2	`cherdk.com (pri: 10), www.cherdk.com (pri: 14)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Mail Server Role

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

www.cherdk.com is a common mail server alongside cherdk.com.

IP Addresses

cherdk.com points to a single IP number: 220.228.6.172.

other host names for instance www.9j9k.com, 9453dz.com, 9j9k.com, i349.com and www.i349.com share IP numbers with cherdk.com.

Name Servers

cherdk.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.

cherdk.com at least partially shares name servers with other domains, for instance 66-hot.com, am68y.com, 666liveshow.com, 616free.com and memechatroom.com.