rctdof.com - robtex.com
rctdof.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.228.6.216🇹🇼 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.icstock.com.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.213.228🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp228.f1.com.tw | ||||||
| NS | ns2.icstock.com.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.210.72🇹🇼 NCIC-TW218.32.210.0/24 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp72.f1.com.tw | ||||||
| NS | sp234.f1.com.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.213.234🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp234.f1.com.tw | ||||||
| MX | rctdof.com ⭐ | ||||||
| A | 220.228.6.216🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| MX | www.rctdof.com(14) | ||||||
| A | 220.228.6.216🇹🇼 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=1785919854 | ||||||
MX for
rctdof.com |
Same first word
rctdof.com |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.icstock.com.tw2026-04-26 → 2026-08-05 · 2 obs
● 2026-08-05 09:14:58
●NSns2.icstock.com.tw2026-04-26 → 2026-08-05 · 2 obs
● 2026-08-05 09:14:58
●MXrctdof.com2026-04-26 → 2026-08-05 · 2 obs
● 2026-08-05 09:14:58
●MXwww.rctdof.com2026-04-26 → 2026-08-05 · 2 obs
● 2026-08-05 09:14:58
●A220.228.6.2162026-04-26 → 2026-08-05 · 2 obs
● 2026-08-05 09:14:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rctdof.com | ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw | - |
✅ Authoritative Response
Server:218.32.210.72
NS records: ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rctdof.com (unsigned zone)
⏱️ Timing
Total: 1428ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.228.6.216 |
| NS | 2 | dns2.f1.com.tw, dns1.f1.com.tw |
| MX | 2 | rctdof.com (pri: 10), www.rctdof.com (pri: 14) |
| SOA | 1 | dns1.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Mail Server Role
rctdof.com is listed as a mail server for itself.
As mail servers, www.rctdof.com and rctdof.com are regularly found together.
IP Addresses
rctdof.com resolves to one IP address: 220.228.6.216.
www.girl85.com, girl85.com, s88663.com and two other host names share IP numbers with rctdof.com.
Name Servers
rctdof.com has five name servers, which are dns1.f1.com.tw, dns2.f1.com.tw, sp234.f1.com.tw and two others.
rctdof.com partially shares its NS delegation with several other domains, including aiav8f.com, yjlog.com, aa905.com and two others.
It is common to find these name servers alongside the name servers ns1.icstock.com.tw, ns2.icstock.com.tw, sf243.f1.com.tw and two others.
Hosts with just one IP address:
dns1.f1.com.tw has the IP address 218.32.213.234.
dns2.f1.com.tw has the IP address 220.228.6.17.
sp234.f1.com.tw has the IP address 218.32.213.234.
ns1.icstock.com.tw has the IP address 218.32.213.228.
ns2.icstock.com.tw has the IP address 218.32.210.72.
Both dns1.f1.com.tw and sp234.f1.com.tw resolve to 218.32.213.234 IP addresses each.
Mail Servers
The domain rctdof.com has two mail servers: rctdof.com and www.rctdof.com.
rctdof.com resolves to 220.228.6.216; www.rctdof.com resolves to the same IP address, 220.228.6.216.
Both rctdof.com and www.rctdof.com resolve to 220.228.6.216 IP addresses each.