u613.com - robtex.com
u613.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.228.6.52🇹🇼 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 | u613.com ⭐ | ||||||
| A | 220.228.6.52🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| MX | www.u613.com(14) | ||||||
| A | 220.228.6.52🇹🇼 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
u613.com |
Subdomains
www.u613.com |
Same first word
u613.com |
Similar names
DNS History
9 records (7 active, 2 former)
●NSns1.oknet.tw2026-03-05 → 2026-03-22 · 3 obs
● 2026-03-05 08:17:32
● 2026-03-22 19:30:30
●NSns2.oknet.tw2026-03-05 → 2026-03-22 · 3 obs
● 2026-03-05 08:17:32
● 2026-03-22 19:30:30
●MXu613.com2015-08-23 → 2026-03-22 · 2 obs
● 2026-03-22 19:30:30
●MXwww.u613.com2015-08-23 → 2026-03-22 · 2 obs
● 2026-03-22 19:30:30
●A220.228.6.522026-03-05 → 2026-03-22 · 3 obs
● 2026-03-05 08:17:32
● 2026-03-22 19:30:30
○A220.228.7.792016-07-24 → 2017-03-27 · 5 obs
● 2016-07-24 01:45:58
● 2017-03-27 09:22:48
○ 2026-03-05 08:17:32
○ 2026-03-22 19:30:30
○A220.229.238.202015-08-23 → 2016-03-24 · 4 obs
● 2016-03-24 02:05:56
○ 2016-07-24 01:45:58
○ 2026-03-22 19:30:30
🔍 DNS Trace
Analysis
Hierarchy
u613.com is a parent of www.u613.com.
Mail Server Role
u613.com serves as the mail server for u613.com.
www.u613.com often functions as the mail server, commonly paired with u613.com.
IP Addresses
u613.com points to a single IP address: 220.228.6.52.
Other host names such as live173-meimei69.com, www.r174.com, 4505.info, www.ut-801.com and www.1007-(0x736578).com share IP numbers with u613.com.
Name Servers
u613.com is delegated to four name servers: ns1.oknet.tw, ns2.oknet.tw, dns1.f1.com.tw and dns2.f1.com.tw.
At least part of the name servers for u613.com are shared with other domains, for instance chat-485.com, love407.com, tplog.com, hot-0509.com and c764.com.
These name servers are commonly used with sp234.f1.com.tw, ns1.icstock.com.tw, ns2.icstock.com.tw and sf243.f1.com.tw.
Host names with one IP: 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
u613.com is served by two mail servers: u613.com and www.u613.com.
Host names sharing a single IP: u613.com and www.u613.com point to 220.228.6.52.