s27um.com - robtex.com
s27um.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.228.6.123🇹🇼 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 | s27um.com ⭐ | ||||||
| A | 220.228.6.123🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| MX | www.s27um.com(14) | ||||||
| A | 220.228.6.123🇹🇼 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=1776885077 | ||||||
MX for
s27um.com |
Same first word
s27um.com |
DNS History
8 records (8 active, 0 former)
●NSns1.icstock.com.tw2026-04-03 → 2026-04-22 · 2 obs
● 2026-04-22 19:23:14
●NSns2.icstock.com.tw2026-04-03 → 2026-04-22 · 2 obs
● 2026-04-22 19:23:14
●MXs27um.com2026-04-03 → 2026-04-22 · 2 obs
● 2026-04-22 19:23:14
●MXwww.s27um.com2026-04-03 → 2026-04-22 · 2 obs
● 2026-04-22 19:23:14
●A220.228.6.1232026-04-03 → 2026-04-22 · 2 obs
● 2026-04-22 19:23:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| s27um.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 s27um.com (unsigned zone)
⏱️ Timing
Total: 1440ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.228.6.123 |
| NS | 2 | dns1.f1.com.tw, dns2.f1.com.tw |
| MX | 2 | s27um.com (pri: 10), www.s27um.com (pri: 14) |
| SOA | 1 | dns1.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Mail Server Role
s27um.com is the mail server for s27um.com.
Together with s27um.com, www.s27um.com is commonly used as a mail server.
IP Addresses
s27um.com resolves to a single IP: 220.228.6.123.
Other host names, for instance e26q.com, tw622.com, dd22.idv.tw, av999-tw.com and pub409.com share IP numbers with s27um.com.
Name Servers
s27um.com delegates 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.
s27um.com shares some name servers with other domains, for example v594.com, live-137.com, uum7.com, 4899.info and meme-18.com.
These name servers are often used together with ns1.oknet.tw, ns2.oknet.tw and sf243.f1.com.tw.
Host names with one IP number:
Hostname dns1.f1.com.tw points to 218.32.213.234
Hostname dns2.f1.com.tw points to 220.228.6.17
Hostname sp234.f1.com.tw points to 218.32.213.234
Hostname ns1.icstock.com.tw points to 218.32.213.228
Hostname ns2.icstock.com.tw points to 218.32.210.72
Hostnames pointing to 218.32.213.234: dns1.f1.com.tw and sp234.f1.com.tw
Mail Servers
s27um.com is handled by two mail servers: s27um.com and www.s27um.com.
Host names with one IP number:
s27um.com points to: 220.228.6.123
www.s27um.com points to: 220.228.6.123
Names pointing to 220.228.6.123: s27um.com and www.s27um.com