ff-dev.com - dns.ninja
ff-dev.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.40.41.197🇨🇦 TUCOWS216.40.32.0/20 Tucows International | ||||||
| PTR | mail.dev.firefly.tucows.com | ||||||
| NS | ns1.mdnsservice.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:18🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.mdnsservice.com | ||||||
| A | 216.40.47.18🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| NS | ns2.mdnsservice.com | ||||||
| A | 2604:4000:2800:d:64:99:148:11🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.mdnsservice.com | ||||||
| A | 64.98.148.11🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| NS | ns3.mdnsservice.com | ||||||
| A | 2604:4000:0:d:64:99:96:34🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.mdnsservice.com | ||||||
| A | 64.99.96.34🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| MX | mx.dev.hostedemail.com ⭐ | ||||||
| A | 216.40.34.137🇨🇦 TUCOWS216.40.34.0/24 | ||||||
| SOA | ns1.mdnsservice.comhostmaster@mdnsservice.com serial=1534402400 | ||||||
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=1794450981 | ||||||
Subdomains
smtp.ff-dev.com |
Same first word
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns1.mdnsservice.com2015-08-14 → 2026-11-12 · 2 obs
● 2026-11-12 02:52:56
●NSns2.mdnsservice.com2015-08-14 → 2026-11-12 · 2 obs
● 2026-11-12 02:52:56
●NSns3.mdnsservice.com2015-08-14 → 2026-11-12 · 2 obs
● 2026-11-12 02:52:56
●MXmx.dev.hostedemail.com2015-08-14 → 2026-11-12 · 2 obs
● 2026-11-12 02:52:56
●A216.40.41.1972015-08-14 → 2026-11-12 · 2 obs
● 2026-11-12 02:52:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net... | - |
| ff-dev.com | ns1.mdnsservice.com, ns2.mdnsservice.com, ns3.mdnsservice.com | 6 records |
✅ Authoritative Response
Server:216.40.47.18
NS records: ns1.mdnsservice.com, ns2.mdnsservice.com, ns3.mdnsservice.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ff-dev.com (unsigned zone)
⏱️ Timing
Total: 1151ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.40.41.197 |
| NS | 3 | ns3.mdnsservice.com, ns2.mdnsservice.com... |
| MX | 1 | mx.dev.hostedemail.com (pri: 10) |
| SOA | 1 | ns1.mdnsservice.com hostmaster.mdnsservi |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.mdnsservice.com, ns1.mdnsservice.com, ns2.mdnsservice.com...)
Analysis
Hierarchy
ff-dev.com is a parent domain of smtp.ff-dev.com.
IP Addresses
ff-dev.com has exactly one IP address — 216.40.41.197.
smtp.ff-dev.com.cust.dev.hostedemail.com, for instance, is one of the other host names sharing IP numbers with ff-dev.com.
Name Servers
The authoritative name servers for ff-dev.com are ns1.mdnsservice.com, ns2.mdnsservice.com and ns3.mdnsservice.com — three in total.
ff-dev.com shares at least some of its name servers with other domains, including herreros.net, nuber.net, aasland.net and two others.
These name servers are frequently paired with the name servers ns1.mailbank.com and ns2.mailbank.com.
ns1.mdnsservice.com, ns2.mdnsservice.com and ns3.mdnsservice.com all resolve to exactly two IP numbers apiece: ns1.mdnsservice.com → 216.40.47.18 and 2604:4000:0:d:216:40:47:18; ns2.mdnsservice.com → 64.98.148.11 and 2604:4000:2800:d:64:99:148:11; ns3.mdnsservice.com → 64.99.96.34 and 2604:4000:0:d:64:99:96:34.
Mail Servers
ff-dev.com uses one mail server — mx.dev.hostedemail.com.
mx.dev.hostedemail.com directs to just one IP number, 216.40.34.137.