cherdk.com - dns.ninja
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. | ||||||
| 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.twohgo@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.netnstld@verisign-grs.com serial=1786607409 | ||||||
MX for
cherdk.com |
Subdomains
www.cherdk.com |
Same first word
cherdk.com |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.icstock.com.tw2026-02-17 → 2026-08-13 · 2 obs
● 2026-08-13 08:15:44
●NSns2.icstock.com.tw2026-02-17 → 2026-08-13 · 2 obs
● 2026-08-13 08:15:44
●MXcherdk.com2026-02-17 → 2026-08-13 · 2 obs
● 2026-08-13 08:15:44
●MXwww.cherdk.com2026-02-17 → 2026-08-13 · 2 obs
● 2026-08-13 08:15:44
●A220.228.6.1722026-02-17 → 2026-08-13 · 2 obs
● 2026-08-13 08:15:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, h.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: 1273ms | 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
Hierarchy
www.cherdk.com is a subdomain of cherdk.com.
Mail Server Role
cherdk.com serves as a mail server for cherdk.com.
www.cherdk.com and cherdk.com tend to appear jointly as mail servers.
IP Addresses
cherdk.com has exactly one IP address — 220.228.6.172.
www.cherdk.com, www.9453dz.com, www.9j9k.com plus two other host names have IP numbers in common with cherdk.com.
Name Servers
Five name servers handle delegation for cherdk.com: dns1.f1.com.tw, dns2.f1.com.tw, sp234.f1.com.tw and two others.
The name servers of cherdk.com overlap at least partially with those of other domains — among them 66-hot.com, am68y.com, uthome-811.com and two more.
These name servers tend to appear together with the name servers ns1.icstock.com.tw, ns2.icstock.com.tw and ns1.oknet.tw, plus two others.
Host names resolving to a single IP address:
dns1.f1.com.tw points to the IP address 218.32.213.234.
dns2.f1.com.tw points to the IP address 220.228.6.17.
sp234.f1.com.tw points to the IP address 218.32.213.234.
ns1.icstock.com.tw points to the IP address 218.32.213.228.
ns2.icstock.com.tw points to the IP address 218.32.210.72.
These two host names — dns1.f1.com.tw and sp234.f1.com.tw — each point to 218.32.213.234 IP addresses.
Mail Servers
Two mail servers handle cherdk.com: cherdk.com and www.cherdk.com.
cherdk.com and www.cherdk.com share one IP address between them — 220.228.6.172.
These two host names — cherdk.com and www.cherdk.com — each point to 220.228.6.172 IP addresses.