gdcertified.com - robtex.com
gdcertified.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 15.204.104.121🇺🇸 OVH15.204.0.0/17 Hosting route | ||||||
| PTR | l261.twwebhost.com | ||||||
| NS | dns1.twwebhost.com ⭐ | ||||||
| A | 147.135.40.168🇺🇸 OVH147.135.0.0/17 Hosting route | ||||||
| PTR | dns1.twwebhost.com | ||||||
| NS | dns2.01webhost.com | ||||||
| A | 147.135.40.196🇺🇸 OVH147.135.0.0/17 Hosting route | ||||||
| PTR | dns2.01webhost.com | ||||||
| MX | gdcertified.com ⭐ | ||||||
| A | 15.204.104.121🇺🇸 OVH15.204.0.0/17 Hosting route | ||||||
| PTR | l261.twwebhost.com | ||||||
| TXT | v=spf1 ip4:15.204.104.121 +a +mx +ip4:51.81.221.59 +ip4:51.81.245.234 +includ... | ||||||
| SOA | dns1.twwebhost.comniftconsulting@gmail.com 2026-03-02 #1 | ||||||
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=1774964137 | ||||||
MX for
gdcertified.com |
Same first word
gdcertified.com |
DNS History
4 records (4 active, 0 former)
●NSdns1.twwebhost.com2026-03-07 → 2026-03-31 · 2 obs
● 2026-03-31 14:04:04
●NSdns2.01webhost.com2026-03-07 → 2026-03-31 · 2 obs
● 2026-03-31 14:04:04
●MXgdcertified.com2026-03-07 → 2026-03-31 · 2 obs
● 2026-03-31 14:04:04
●A15.204.104.1212026-03-07 → 2026-03-31 · 2 obs
● 2026-03-31 14:04:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| gdcertified.com | dns1.twwebhost.com, dns2.01webhost.com | 2 records |
✅ Authoritative Response
Server:147.135.40.168
NS records: dns1.twwebhost.com, dns2.01webhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gdcertified.com (unsigned zone)
⏱️ Timing
Total: 201ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 15.204.104.121 |
| NS | 2 | dns2.01webhost.com, dns1.twwebhost.com |
| MX | 1 | gdcertified.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:15.204.104.121 +a +mx +ip4:51 |
| SOA | 1 | dns1.twwebhost.com niftconsulting.gmail. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns1.twwebhost.com, dns2.01webhost.com)
Analysis
Mail Server Role
gdcertified.com serves as the mail server for gdcertified.com.
IP Addresses
gdcertified.com resolves to one IP number: 15.204.104.121.
Other host names, for instance yeoujyi.com, wearead.com, twnoc.com, mail.chungmei.com.tw and woodking.com share IP numbers with gdcertified.com.
Name Servers
gdcertified.com's delegation uses two name servers: dns2.01webhost.com and dns1.twwebhost.com.
gdcertified.com uses the same name server setup as other domains, such as greentek-hy.com, lovetw.com, goontea.com, dinly.com.tw and keystonedesign.com.tw.
gdcertified.com at least partially shares name servers with other domains, including hplc.com.tw, highbright.com.tw, hugo.com.tw, shinnwin.com.tw and floralyang.com.
These name servers are often used with niftserver3.w-web.com and niftserver1.nift.com.
Host names with a single IP address: dns2.01webhost.com points to 147.135.40.196; dns1.twwebhost.com points to 147.135.40.168.
Mail Servers
gdcertified.com is handled by a single mail server, gdcertified.com.
Host name gdcertified.com resolves to a single IP: 15.204.104.121.