bb-421.com - robtex.com
bb-421.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.199.243.207🇹🇼 TFN-NET60.199.243.0/24 Taiwan Fixed Network | ||||||
| PTR | 60-199-243-207.static.tfn.net.tw | ||||||
| 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 | bb-421.com ⭐ | ||||||
| A | 60.199.243.207🇹🇼 TFN-NET60.199.243.0/24 Taiwan Fixed Network | ||||||
| PTR | 60-199-243-207.static.tfn.net.tw | ||||||
| MX | www.bb-421.com(14) | ||||||
| A | 60.199.243.207🇹🇼 TFN-NET60.199.243.0/24 Taiwan Fixed Network | ||||||
| PTR | 60-199-243-207.static.tfn.net.tw | ||||||
| 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=1777331331 | ||||||
MX for
bb-421.com |
Subdomains
www.bb-421.com |
Same first word
bb-421.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.oknet.tw2026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 08:15:08
● 2026-04-27 23:35:28
●NSns2.oknet.tw2026-03-11 → 2026-04-27 · 3 obs
● 2026-03-11 08:15:08
● 2026-04-27 23:35:28
●MXbb-421.com2015-05-28 → 2026-04-27 · 2 obs
● 2026-04-27 23:35:28
●MXwww.bb-421.com2015-05-28 → 2026-04-27 · 2 obs
● 2026-04-27 23:35:28
●A60.199.243.2072015-05-28 → 2026-04-27 · 2 obs
● 2026-04-27 23:35:28
🔍 DNS Trace
Analysis
Hierarchy
bb-421.com is parent of www.bb-421.com.
Mail Server Role
bb-421.com serves as a mail server for bb-421.com.
www.bb-421.com commonly serves as a mail server together with bb-421.com.
IP Addresses
bb-421.com points to a single IP: 60.199.243.207.
Other host names, for instance www.bb-248.com, bb-414.com, www.u427.com, www.h879.info and www.x971.com share IP numbers with bb-421.com.
Name Servers
bb-421.com is delegated to four name servers: ns1.oknet.tw, ns2.oknet.tw, dns1.f1.com.tw and dns2.f1.com.tw.
bb-421.com at least partially shares its name servers with other domains, for instance l294.com, eloveg.com, t767.info, meme22.com and ut-540.com.
these name servers are commonly used together with sp234.f1.com.tw, ns1.icstock.com.tw, ns2.icstock.com.tw and sf243.f1.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
bb-421.com is handled by two mail servers: bb-421.com and www.bb-421.com.
Host names with one IP number: bb-421.com and www.bb-421.com point to 60.199.243.207.