sda4b.com - dns.ninja
sda4b.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.228.6.89🇹🇼 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 | sda4b.com ⭐ | ||||||
| A | 220.228.6.89🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| MX | www.sda4b.com(14) | ||||||
| A | 220.228.6.89🇹🇼 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=1785303897 | ||||||
MX for
sda4b.com |
Subdomains
www.sda4b.com |
Same first word
sda4b.com |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.icstock.com.tw2026-04-26 → 2026-07-29 · 2 obs
● 2026-07-29 06:09:02
●NSns2.icstock.com.tw2026-04-26 → 2026-07-29 · 2 obs
● 2026-07-29 06:09:02
●MXsda4b.com2026-04-26 → 2026-07-29 · 2 obs
● 2026-07-29 06:09:02
●MXwww.sda4b.com2026-04-26 → 2026-07-29 · 2 obs
● 2026-07-29 06:09:02
●A220.228.6.892026-04-26 → 2026-07-29 · 2 obs
● 2026-07-29 06:09:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net... | - |
| sda4b.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 sda4b.com (unsigned zone)
⏱️ Timing
Total: 1237ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.228.6.89 |
| NS | 2 | dns2.f1.com.tw, dns1.f1.com.tw |
| MX | 2 | sda4b.com (pri: 10), www.sda4b.com (pri: 14) |
| SOA | 1 | dns1.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Hierarchy
sda4b.com is the parent zone for www.sda4b.com.
Mail Server Role
sda4b.com acts as its own mail server.
www.sda4b.com and sda4b.com are commonly paired as mail servers.
IP Addresses
sda4b.com points to a single IP number: 220.228.6.89.
Additional host names — www.king462.com, www.jubeed.com, www.88match.com and two others — share IP numbers with sda4b.com.
Name Servers
Delegation for sda4b.com is to five name servers: dns1.f1.com.tw, dns2.f1.com.tw, sp234.f1.com.tw and two others.
sda4b.com partially shares its NS delegation with several other domains, including wacow-(0x736578).com, petofstar.com, plnew.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 sda4b.com is routed through two mail servers — sda4b.com and www.sda4b.com.
sda4b.com and www.sda4b.com each point to one IP address — 220.228.6.89.
The host names sda4b.com and www.sda4b.com both resolve to 220.228.6.89 IP addresses.