tefcon.com - dns.ninja
tefcon.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.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=1783177701 | ||||||
Same first word
Similar names
DNS History
11 records (3 active, 8 former)
●NSns.buydomains.com2026-02-24 → 2026-07-04 · 3 obs
● 2026-02-24 20:45:28
● 2026-07-04 15:21:16
○NSns0.transip.net2015-08-20 → 2016-08-02 · 4 obs
● 2016-08-02 10:03:34
○ 2026-02-24 20:45:28
○ 2026-07-04 15:21:16
○NSns1.transip.nl2015-08-20 → 2016-08-02 · 4 obs
● 2016-08-02 10:03:34
○ 2026-02-24 20:45:28
○ 2026-07-04 15:21:16
○NSns2.transip.eu2015-08-20 → 2016-08-02 · 4 obs
● 2016-08-02 10:03:34
○ 2026-02-24 20:45:28
○ 2026-07-04 15:21:16
●NSthis-domain-for-sale.com2026-02-24 → 2026-07-04 · 3 obs
● 2026-02-24 20:45:28
● 2026-07-04 15:21:16
○MXd24774a.ess.barracudanetworks.com2015-08-20 → 2016-08-02 · 4 obs
● 2016-08-02 10:03:34
○ 2026-02-24 20:45:28
○ 2026-07-04 15:21:16
○MXd24774b.ess.barracudanetworks.com2015-08-20 → 2016-08-02 · 4 obs
● 2016-08-02 10:03:34
○ 2026-02-24 20:45:28
○ 2026-07-04 15:21:16
○MXspamfw01.dataholland.nl2015-08-20 → 2016-08-02 · 4 obs
● 2016-08-02 10:03:34
○ 2026-02-24 20:45:28
○ 2026-07-04 15:21:16
○MXspamfw02.dataholland.nl2015-08-20 → 2016-08-02 · 4 obs
● 2016-08-02 10:03:34
○ 2026-02-24 20:45:28
○ 2026-07-04 15:21:16
●A207.148.248.1432026-02-24 → 2026-07-04 · 6 obs
● 2026-02-24 20:45:28
● 2026-03-15 09:33:18
○ 2026-03-17 23:45:50
● 2026-04-10 23:51:20
● 2026-07-04 15:21:16
○A90.145.159.1512015-08-20 → 2016-08-02 · 4 obs
● 2016-08-02 10:03:34
○ 2026-02-24 20:45:28
○ 2026-07-04 15:21:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net... | - |
| tefcon.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.4.207.204
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tefcon.com (unsigned zone)
⏱️ Timing
Total: 254ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
IP Addresses
tefcon.com points to a single IP number: 207.148.248.143.
Additional host names — passatoie.com, tivea.com, agnius.com and two others — share IP numbers with tefcon.com.
Name Servers
tefcon.com has two authoritative name servers — this-domain-for-sale.com and ns.buydomains.com.
tefcon.com shares its name server setup with other domains, including ultraties.com, gipc.net, strategicdiagnostics.com and two others.
tefcon.com has some name servers in common with other domains such as immonitor.com, mastertheoutdoors.com and protectproxy.com
These name servers are routinely deployed together with the name servers ns2.buydomains.com.
this-domain-for-sale.com and ns.buydomains.com each point to one IP address — 52.20.26.87.
The host names this-domain-for-sale.com and ns.buydomains.com both resolve to 52.20.26.87 IP addresses.