u601.com - robtex.com
u601.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 61.66.228.87🇹🇼 NCIC-TW61.66.228.0/24 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.oknet.tw ⚠️ Not in zone NS records | ||||||
| A | 220.228.6.98🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| NS | ns2.oknet.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.210.66🇹🇼 NCIC-TW218.32.210.0/24 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp66.f1.com.tw | ||||||
| MX | u601.com ⭐ | ||||||
| A | 61.66.228.87🇹🇼 NCIC-TW61.66.228.0/24 New Century InfoComm Tech Co., Ltd. | ||||||
| MX | www.u601.com(14) | ||||||
| A | 61.66.228.87🇹🇼 NCIC-TW61.66.228.0/24 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=1775046532 | ||||||
MX for
u601.com |
Subdomains
www.u601.com |
Same first word
u601.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.oknet.tw2026-03-28 → 2026-04-01 · 3 obs
● 2026-03-28 05:15:32
● 2026-04-01 12:55:58
●NSns2.oknet.tw2026-03-28 → 2026-04-01 · 3 obs
● 2026-03-28 05:15:32
● 2026-04-01 12:55:58
●MXu601.com2015-06-09 → 2026-04-01 · 2 obs
● 2026-04-01 12:55:58
●MXwww.u601.com2015-06-09 → 2026-04-01 · 2 obs
● 2026-04-01 12:55:58
●A61.66.228.872015-06-09 → 2026-04-01 · 2 obs
● 2026-04-01 12:55:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| u601.com | ns1.oknet.tw, ns2.oknet.tw | - |
✅ Authoritative Response
Server:220.228.6.98
NS records: ns1.oknet.tw, ns2.oknet.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u601.com (unsigned zone)
⏱️ Timing
Total: 1181ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.66.228.87 |
| NS | 2 | dns2.f1.com.tw, dns1.f1.com.tw |
| MX | 2 | u601.com (pri: 10), www.u601.com (pri: 14) |
| SOA | 1 | dns1.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Hierarchy
u601.com is the parent of www.u601.com.
Mail Server Role
u601.com is the mail server for u601.com.
Together with u601.com, www.u601.com is commonly used as a mail server.
IP Addresses
u601.com resolves to a single IP: 61.66.228.87.
Other host names, for instance j134.com, www.ut602.com, www.show-390.com, king578.com and bb-342.com share IP numbers with u601.com.
Name Servers
u601.com is delegated to four name servers: ns1.oknet.tw, ns2.oknet.tw, dns1.f1.com.tw and dns2.f1.com.tw.
u601.com shares some name servers with other domains, for example meimei69-momo520.com, k653.info, z594.com, a937.com and clubkk.com.
These name servers are commonly used with the name servers sp234.f1.com.tw, ns1.icstock.com.tw, ns2.icstock.com.tw, sf243.f1.com.tw, ns1.sclub.com.tw and ns2.sclub.com.tw.
Host names with a single IP
ns1.oknet.tw resolves to 220.228.6.98
ns2.oknet.tw resolves to 218.32.210.66
dns1.f1.com.tw resolves to 218.32.213.234
dns2.f1.com.tw resolves to 220.228.6.17
Mail Servers
u601.com is handled by two mail servers: u601.com and www.u601.com.
Host names with one IP number:
u601.com points to: 61.66.228.87
www.u601.com points to: 61.66.228.87
Names pointing to 61.66.228.87: u601.com and www.u601.com