ut-737.com - robtex.com
ut-737.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.228.6.232🇹🇼 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.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 | ut-737.com ⭐ | ||||||
| A | 220.228.6.232🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| MX | www.ut-737.com(14) | ||||||
| A | 220.228.6.232🇹🇼 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=1771291435 | ||||||
MX for
ut-737.com |
Subdomains
www.ut-737.com |
Same first word
ut-737.com |
DNS History
7 records (7 active, 0 former)
●NSns1.oknet.tw2026-03-17 → 2026-03-24 · 3 obs
● 2026-03-17 17:03:44
● 2026-03-24 13:48:06
●NSns2.oknet.tw2026-03-17 → 2026-03-24 · 3 obs
● 2026-03-17 17:03:44
● 2026-03-24 13:48:06
●MXut-737.com2015-07-25 → 2026-03-24 · 2 obs
● 2026-03-24 13:48:06
●MXwww.ut-737.com2015-07-25 → 2026-03-24 · 2 obs
● 2026-03-24 13:48:06
●A220.228.6.2322015-07-25 → 2026-03-24 · 2 obs
● 2026-03-24 13:48:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net... | - |
| ut-737.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 ut-737.com (unsigned zone)
⏱️ Timing
Total: 4823ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.228.6.232 |
| NS | 2 | dns2.f1.com.tw, dns1.f1.com.tw |
| MX | 2 | www.ut-737.com (pri: 14), ut-737.com (pri: 10) |
| SOA | 1 | dns1.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Hierarchy
ut-737.com is the parent of www.ut-737.com.
Mail Server Role
For ut-737.com, the mail server is ut-737.com.
www.ut-737.com is a common mail server alongside ut-737.com.
IP Addresses
ut-737.com points to a single IP number: 220.228.6.232.
other host names for instance www.(0x736578)y230.com, www.66-uthome.com, www.hot257.com, www.msg-777.com and www.(0x736578)y617.com share IP numbers with ut-737.com.
Name Servers
ut-737.com is delegated to four name servers: ns1.oknet.tw, ns2.oknet.tw, dns1.f1.com.tw and dns2.f1.com.tw.
ut-737.com at least partially shares name servers with other domains, for instance top-prize.com, myshow69.com, 2012msg.com, meimei368.com and ut-join.com.
These name servers are commonly used alongside the name servers sp234.f1.com.tw, ns1.icstock.com.tw, ns2.icstock.com.tw, sf243.f1.com.tw and ns1.sclub.com.tw.
Host names with one IP number:
ns1.oknet.tw points to 220.228.6.98
ns2.oknet.tw points to 218.32.210.66
dns1.f1.com.tw points to 218.32.213.234
dns2.f1.com.tw points to 220.228.6.17
Mail Servers
Two mail servers handle ut-737.com: ut-737.com and www.ut-737.com.
Host names with a single IP number:
ut-737.com points to 220.228.6.232 and www.ut-737.com points to 220.228.6.232.
Host names that point to 220.228.6.232: ut-737.com and www.ut-737.com.