u573.info - robtex.com
u573.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.228.6.114🇹🇼 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 | u573.info ⭐ | ||||||
| A | 220.228.6.114🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| MX | www.u573.info(14) | ||||||
| SOA | dns1.f1.com.twohgo@ms23.hinet.net 2000-11-01 #8 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1773555327 | ||||||
MX for
u573.info |
Same first word
u573.info |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.oknet.tw2026-03-12 → 2026-03-22 · 3 obs
● 2026-03-12 06:23:32
● 2026-03-22 23:14:18
●NSns2.oknet.tw2026-03-12 → 2026-03-22 · 3 obs
● 2026-03-12 06:23:32
● 2026-03-22 23:14:18
●MXu573.info2015-07-08 → 2026-03-22 · 2 obs
● 2026-03-22 23:14:18
●MXwww.u573.info2015-07-08 → 2026-03-22 · 2 obs
● 2026-03-22 23:14:18
●A220.228.6.1142015-07-08 → 2026-03-22 · 2 obs
● 2026-03-22 23:14:18
🔍 DNS Trace
Analysis
Mail Server Role
u573.info is the mail server for u573.info.
Together with u573.info, www.u573.info is commonly used as a mail server.
IP Addresses
u573.info resolves to a single IP: 220.228.6.114.
Other host names, for instance 0401.7540.info, 4207.info, mytone.com.tw, www.4207.info and www.g942.com share IP numbers with u573.info.
Name Servers
u573.info is delegated to four name servers: ns1.oknet.tw, ns2.oknet.tw, dns1.f1.com.tw and dns2.f1.com.tw.
u573.info shares some name servers with other domains, for example u824.com, hot257.com, h875.com, utmall.com and bb8866.com.
These name servers are commonly used alongside sp234.f1.com.tw, ns1.icstock.com.tw, ns2.icstock.com.tw and sf243.f1.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
u573.info is handled by two mail servers: u573.info and www.u573.info.
Host names with a single IP number: u573.info points to 220.228.6.114.