dfdev9.com - robtex.com
dfdev9.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 50.28.58.238🇺🇸 LiquidWeb50.28.0.0/18 Liquidweb Inc | ||||||
| PTR | server.dfserver9.com | ||||||
| NS | ns1.dfsitedns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 104.207.144.172 | ||||||
| NS | ns1.dfserver9.com ⚠️ Not in zone NS records | ||||||
| A | 50.28.58.238🇺🇸 LiquidWeb50.28.0.0/18 Liquidweb Inc | ||||||
| PTR | server.dfserver9.com | ||||||
| NS | ns2.dfserver9.com ⚠️ Not in zone NS records | ||||||
| A | 50.28.58.239LiquidWeb50.28.0.0/18 Liquidweb Inc | ||||||
| NS | ns2.dfsitedns.com ⚠️ Not in parent delegation | ||||||
| A | 144.202.17.217 | ||||||
| NS | ns3.dfsitedns.com ⚠️ Not in parent delegation | ||||||
| A | 178.128.144.233 | ||||||
| MX | dfdev9.com ⭐ | ||||||
| A | 50.28.58.238🇺🇸 LiquidWeb50.28.0.0/18 Liquidweb Inc | ||||||
| PTR | server.dfserver9.com | ||||||
| TXT | v=spf1 +a +mx +ip4:50.28.58.238 include:sendgrid.net ~all | ||||||
| SOA | ns1.dfsitedns.comdevnull@sourcedns.com 2026-11-10 #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=1794355776 | ||||||
MX for
dfdev9.com |
Same first word
dfdev9.com |
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSns1.dfserver9.com2019-01-18 → 2026-11-11 · 2 obs
● 2026-11-11 00:59:10
●NSns1.dfsitedns.com2026-09-03 → 2026-11-11 · 3 obs
● 2026-09-03 22:13:08
● 2026-11-11 00:59:10
●NSns2.dfserver9.com2019-01-18 → 2026-11-11 · 2 obs
● 2026-11-11 00:59:10
●NSns2.dfsitedns.com2026-09-03 → 2026-11-11 · 3 obs
● 2026-09-03 22:13:08
● 2026-11-11 00:59:10
●NSns3.dfsitedns.com2026-09-03 → 2026-11-11 · 3 obs
● 2026-09-03 22:13:08
● 2026-11-11 00:59:10
●MXdfdev9.com2019-01-18 → 2026-11-11 · 2 obs
● 2026-11-11 00:59:10
●A50.28.58.2382019-01-18 → 2026-11-11 · 2 obs
● 2026-11-11 00:59:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net... | - |
| dfdev9.com | ns1.dfserver9.com, ns2.dfserver9.com | 2 records |
✅ Authoritative Response
Server:50.28.58.238
NS records: ns1.dfserver9.com, ns2.dfserver9.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 3374ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.28.58.238 |
| NS | 3 | ns2.dfsitedns.com, ns3.dfsitedns.com... |
| MX | 1 | dfdev9.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:50.28.58.238 include: |
| SOA | 1 | ns1.dfsitedns.com devnull.sourcedns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dfserver9.com, ns2.dfserver9.com)
Analysis
Mail Server Role
dfdev9.com acts as its own mail server.
IP Addresses
dfdev9.com points to a single IP number: 50.28.58.238.
Additional host names — koppelmandental.com, norwalkfamilydentist.com, aesthetics-in-dentistry.com and two others — share IP numbers with dfdev9.com.
Name Servers
Delegation for dfdev9.com is to five name servers: ns1.dfserver9.com, ns2.dfserver9.com, ns1.dfsitedns.com and two others.
At least some of dfdev9.com's name servers are shared with other domains, for example bialysurgery.com, oaklanddentalcare.com, centralmarylandoms.com and two more.
These name servers tend to co-occur with ns2.dfsitedns.com, ns3.dfsitedns.com, ns1.dfserver2.com and 7 other name servers in the same DNS delegations.
Host names pointing to a single IP address:
ns1.dfserver9.com points to the IP address 50.28.58.238.
ns2.dfserver9.com points to the IP address 50.28.58.239.
ns1.dfsitedns.com points to the IP address 104.207.144.172.
ns2.dfsitedns.com points to the IP address 144.202.17.217.
ns3.dfsitedns.com points to the IP address 178.128.144.233.
Mail Servers
dfdev9.com has a single mail server: dfdev9.com itself.
There is one IP number for dfdev9.com: 50.28.58.238.