sh57u.com - robtex.com
sh57u.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.228.6.210🇹🇼 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 | sh57u.com ⭐ | ||||||
| A | 220.228.6.210🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| MX | www.sh57u.com(14) | ||||||
| A | 220.228.6.210🇹🇼 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=1777025666 | ||||||
MX for
sh57u.com |
Subdomains
www.sh57u.com |
Same first word
sh57u.com |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.icstock.com.tw2026-04-07 → 2026-04-24 · 2 obs
● 2026-04-24 10:24:26
●NSns2.icstock.com.tw2026-04-07 → 2026-04-24 · 2 obs
● 2026-04-24 10:24:26
●MXsh57u.com2026-04-07 → 2026-04-24 · 2 obs
● 2026-04-24 10:24:26
●MXwww.sh57u.com2026-04-07 → 2026-04-24 · 2 obs
● 2026-04-24 10:24:26
●A220.228.6.2102026-04-07 → 2026-04-24 · 2 obs
● 2026-04-24 10:24:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sh57u.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 sh57u.com (unsigned zone)
⏱️ Timing
Total: 1162ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.228.6.210 |
| NS | 2 | dns1.f1.com.tw, dns2.f1.com.tw |
| MX | 2 | sh57u.com (pri: 10), www.sh57u.com (pri: 14) |
| SOA | 1 | dns1.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Hierarchy
sh57u.com is the parent of www.sh57u.com.
Mail Server Role
sh57u.com serves as the mail server for sh57u.com.
www.sh57u.com is commonly used as a mail server with sh57u.com.
IP Addresses
sh57u.com points to IP number 220.228.6.210.
For instance, other host names mo520mo.com, nicole.idv.tw, www.mo01mo.com, www.sh57u.com and mv111.com share IP numbers with sh57u.com.
Name Servers
sh57u.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.
sh57u.com shares name servers with other domains at least partially, for example mm-0204.com, 080ut11.idv.tw, pipi666.com, (0x736578)-387.com and uthome387.com.
These name servers are commonly used with ns1.oknet.tw, ns2.oknet.tw and sf243.f1.com.tw.
Host names with one IP number:
dns1.f1.com.tw points to 218.32.213.234
dns2.f1.com.tw points to 220.228.6.17
sp234.f1.com.tw points to 218.32.213.234
ns1.icstock.com.tw points to 218.32.213.228
ns2.icstock.com.tw points to 218.32.210.72
Host names pointing to 218.32.213.234: dns1.f1.com.tw, sp234.f1.com.tw
Mail Servers
Two mail servers handle sh57u.com: sh57u.com and www.sh57u.com.
Host names with a single IP
sh57u.com points to: 220.228.6.210
www.sh57u.com points to: 220.228.6.210
Host names pointing to 220.228.6.210: sh57u.com and www.sh57u.com