doubleadv.com - dns.ninja
doubleadv.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. | ||||||
| MX | mail.doubleadv.com ⭐ | ||||||
| A | 60.199.201.100🇹🇼 TFN-NET60.199.201.0/24 Taiwan Fixed Network | ||||||
| PTR | 60-199-201-100.static.tfn.net.tw | ||||||
| SOA | sp234.f1.com.twohgo@ms23.hinet.net 2002-07-09 #5 | ||||||
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=1785094927 | ||||||
Subdomains
mail.doubleadv.com |
Same first word
doubleadv.com |
doubleadv.tv |
DNS History
5 records (4 active, 1 former)
●MXmail.doubleadv.com2015-06-08 → 2026-07-26 · 2 obs
● 2026-07-26 20:03:04
●A61.31.226.542026-03-25 → 2026-07-26 · 3 obs
● 2026-03-25 11:53:30
● 2026-07-26 20:03:04
○A61.31.228.52015-06-08 → 2017-04-03 · 4 obs
● 2017-04-03 00:49:34
○ 2026-03-25 11:53:30
○ 2026-07-26 20:03:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net... | - |
| doubleadv.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 doubleadv.com (unsigned zone)
⏱️ Timing
Total: 1603ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.31.226.54 |
| NS | 2 | sf243.f1.com.tw, sp234.f1.com.tw |
| MX | 1 | mail.doubleadv.com (pri: 23) |
| SOA | 1 | sp234.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Hierarchy
mail.doubleadv.com is a subdomain of doubleadv.com.
IP Addresses
doubleadv.com resolves to just one IP address, 61.31.226.54.
Host names such as ad03.doubleadx.com, doubleadx.com and 61-31-226-54.static.tfn.net.tw share their IP numbers with doubleadv.com.
Name Servers
doubleadv.com is served by two delegated name servers, sf243.f1.com.tw and sp234.f1.com.tw.
doubleadv.com shares its NS records with other domains, for example i790.com, uun26.com, jj89.com and two others.
The name servers of doubleadv.com overlap at least partially with those of other domains — among them uuf89.com, dx0204.com, 7555j.com and two more.
These name servers commonly appear in delegations together with dns1.f1.com.tw, dns2.f1.com.tw, ns1.icstock.com.tw and 7 other.
Both sf243.f1.com.tw and sp234.f1.com.tw have a single IP address each — sf243.f1.com.tw resolves to 220.228.6.17 while sp234.f1.com.tw resolves to 218.32.213.234.
Mail Servers
The sole mail server for doubleadv.com is mail.doubleadv.com.
There is one IP number for mail.doubleadv.com: 60.199.201.100.