cfnerd.com - dns.ninja
cfnerd.com
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=1786138629 | ||||||
Subdomains
server01.cfnerd.com |
Same first word
cfnerd.com |
Similar names
DNS History
11 records (11 active, 0 former)
●NSns1.mydyndns.org2015-07-16 → 2026-08-07 · 2 obs
● 2026-08-07 22:00:46
●NSns1140.dns.dyn.com2015-07-16 → 2026-08-07 · 2 obs
● 2026-08-07 22:00:46
●NSns2.mydyndns.org2026-08-07 → 2026-08-07 · 3 obs
● 2026-08-07 22:00:42
● 2026-08-07 22:00:46
●NSns2169.dns.dyn.com2015-07-16 → 2026-08-07 · 2 obs
● 2026-08-07 22:00:46
●NSns3.mydyndns.org2026-08-07 → 2026-08-07 · 3 obs
● 2026-08-07 22:00:42
● 2026-08-07 22:00:46
●NSns3176.dns.dyn.com2015-07-16 → 2026-08-07 · 2 obs
● 2026-08-07 22:00:46
●NSns4131.dns.dyn.com2015-07-16 → 2026-08-07 · 2 obs
● 2026-08-07 22:00:46
●MXalt1.aspmx.l.google.com2015-07-16 → 2026-08-07 · 2 obs
● 2026-08-07 22:00:46
●MXalt2.aspmx.l.google.com2015-07-16 → 2026-08-07 · 2 obs
● 2026-08-07 22:00:46
●MXaspmx.l.google.com2015-07-16 → 2026-08-07 · 2 obs
● 2026-08-07 22:00:46
●A74.207.237.332015-07-16 → 2026-08-07 · 2 obs
● 2026-08-07 22:00:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net... | - |
| cfnerd.com | ns2.mydyndns.org, ns1.mydyndns.org, ns3.mydyndns.org | - |
✅ Authoritative Response
Server:108.59.168.201
NS records: ns2.mydyndns.org, ns1.mydyndns.org, ns3.mydyndns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cfnerd.com (unsigned zone)
⏱️ Timing
Total: 2248ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.207.237.33 |
| NS | 4 | ns2169.dns.dyn.com, ns4131.dns.dyn.com... |
| MX | 3 | aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 15)... |
| SOA | 1 | ns1.mydyndns.org zone-admin.dyndns.com |
Analysis
Hierarchy
The domain server01.cfnerd.com falls under the parent cfnerd.com.
IP Addresses
cfnerd.com resolves to one IP address: 74.207.237.33.
Other host names, among them 74-207-237-33.ip.linodeusercontent.com and server01.cfnerd.com, have IP numbers in common with cfnerd.com.
Name Servers
cfnerd.com has 7 name servers — ns1.mydyndns.org, ns2.mydyndns.org, ns3.mydyndns.org and 4 others.
At least some of cfnerd.com's name servers are shared with other domains, for example rby.ch, cmkrnl.net, dorgby.net and two more.
These name servers tend to co-occur with ns4.mydyndns.org, ns5.mydyndns.org, ns2169.dns.dyn.com and 7 other name servers in the same DNS delegations.
Hostnames that resolve to two IP addresses:
ns1.mydyndns.org resolves to 108.59.166.201 and 2600:2000:2100::c9.
ns2.mydyndns.org resolves to 108.59.168.201 and 2600:2000:2110::c9.
ns3.mydyndns.org resolves to 108.59.170.201 and 2600:2000:2120::c9.
ns1140.dns.dyn.com resolves to 108.59.166.201 and 2600:2000:2100::c9.
ns2169.dns.dyn.com resolves to 108.59.168.201 and 2600:2000:2110::c9.
ns3176.dns.dyn.com resolves to 108.59.170.201 and 2600:2000:2120::c9.
ns4131.dns.dyn.com resolves to 108.59.172.201 and 2600:2000:2130::c9.
The host names ns1.mydyndns.org and ns1140.dns.dyn.com both resolve to 2600:2000:2100::c9 IP addresses.
The host names ns1.mydyndns.org and ns1140.dns.dyn.com both resolve to 108.59.166.201 IP addresses.
The host names ns2.mydyndns.org and ns2169.dns.dyn.com both resolve to 2600:2000:2110::c9 IP addresses.
The host names ns2.mydyndns.org and ns2169.dns.dyn.com both resolve to 108.59.168.201 IP addresses.
The host names ns3.mydyndns.org and ns3176.dns.dyn.com both resolve to 2600:2000:2120::c9 IP addresses.
The host names ns3.mydyndns.org and ns3176.dns.dyn.com both resolve to 108.59.170.201 IP addresses.
Mail Servers
The MX records for cfnerd.com list three mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
cfnerd.com has at least partial mail server overlap with other domains such as ns500698.ns500758.ns500698.ns500758.ns500698.ns500698.ns500735.ns500698.ns500698.ns500708.ns500708.ns500698.ns500698.ns500619.ns500576.trackreceptor.com, ns500734.ns500693.ns500699.ns500734.ns500734.ns500588.ns500588.ns500588.ns500683.ns500588.ns500683.ns500693.ns500699.ns500612.ns500110.dtrkdll.com, certifica-t.com and two more.
The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.
Each of aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com points to two IP numbers. aspmx.l.google.com points to 172.253.63.26 and 2607:f8b0:4004:c23::1b. alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a. alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.