doubleadx.com - dns.ninja
doubleadx.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 61.31.226.54🇹🇼 TFN-NET61.31.226.0/24 Taiwan Fixed Network | ||||||
| PTR | 61-31-226-54.static.tfn.net.tw | ||||||
| NS | sp234.f1.com.tw ⭐ | ||||||
| A | 218.32.213.234🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp234.f1.com.tw | ||||||
| NS | sf243.f1.com.tw | ||||||
| A | 220.228.6.17🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| SOA | sp234.f1.com.twohgo@ms23.hinet.net 2002-07-09 #4 | ||||||
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=1785141752 | ||||||
Subdomains
ad03.doubleadx.com |
Same first word
doubleadx.us |
doubleadx.com |
DNS History
4 records (3 active, 1 former)
●A61.31.226.542026-06-30 → 2026-07-27 · 3 obs
● 2026-06-30 17:40:12
● 2026-07-27 09:08:12
○A61.31.228.62015-07-01 → 2016-08-16 · 4 obs
● 2016-08-16 18:01:40
○ 2026-06-30 17:40:12
○ 2026-07-27 09:08:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| doubleadx.com | sf243.f1.com.tw, sp234.f1.com.tw | - |
✅ Authoritative Response
Server:218.32.213.234
NS records: sf243.f1.com.tw, sp234.f1.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doubleadx.com (unsigned zone)
⏱️ Timing
Total: 1332ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.31.226.54 |
| NS | 2 | sf243.f1.com.tw, sp234.f1.com.tw |
| SOA | 1 | sp234.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Hierarchy
doubleadx.com is the parent zone for ad03.doubleadx.com.
IP Addresses
doubleadx.com resolves to just one IP address, 61.31.226.54.
doubleadv.com, 61-31-226-54.static.tfn.net.tw and ad03.doubleadx.com are examples of other host names that share IP numbers with doubleadx.com.
Name Servers
doubleadx.com is delegated to two name servers: sf243.f1.com.tw and sp234.f1.com.tw.
doubleadx.com shares its NS records with other domains, for example aj785.com, eh237.com, uuq88.com and two others.
doubleadx.com partially shares its NS delegation with several other domains, including ut456.com, 8wwc.com, bndva.com and two others.
In DNS configurations, these name servers often share authority with dns1.f1.com.tw, dns2.f1.com.tw, ns1.icstock.com.tw and 6 other name servers.
sf243.f1.com.tw resolves to 220.228.6.17. sp234.f1.com.tw resolves to 218.32.213.234. Both host names point to a single IP number.