linuxdn.com - dns.ninja
linuxdn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.164.244.82🇺🇸 COMCAST-IBONE173.160.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | 173-164-244-82-sfba.hfc.comcastbusiness.net | ||||||
| NS | ns1.afraid.org ⭐ | ||||||
| A | 23.227.184.22🇺🇸 HIVELOCITY-123.227.184.0/24 DAL1 IPv4 Allocation | ||||||
| PTR | escapefromreailty.com | ||||||
| NS | ns2.afraid.org | ||||||
| A | 2001:1850:1:5:800::6b🇺🇸 ASN-CQ-GIGENET2001:1850::/32 GIGENET IPV6 ROUTE | ||||||
| PTR | ns2.afraid.org | ||||||
| A | 69.65.50.223🇺🇸 ASN-CQ-GIGENET69.65.0.0/18 GigENET Netblock | ||||||
| PTR | ns2.afraid.org | ||||||
| NS | ns3.afraid.org | ||||||
| A | 67.220.81.190🇺🇸 OBJX67.220.81.0/24 objx.net, LLC | ||||||
| NS | ns4.afraid.org | ||||||
| A | 2610:150:bddb:d271::2🇺🇸 SHARKTECH-12610:150:8000::/34 Sharktech Inc. | ||||||
| PTR | ns4.afraid.org | ||||||
| A | 70.39.97.253🇺🇸 SHARKTECH-170.39.97.0/24 PNAP-CHG FDCS Route | ||||||
| PTR | ns4.afraid.org | ||||||
| MX | mail.linuxdn.com ⭐ | ||||||
| A | 173.164.244.82🇺🇸 COMCAST-IBONE173.160.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | 173-164-244-82-sfba.hfc.comcastbusiness.net | ||||||
| SOA | ns1.afraid.orgdnsadmin@afraid.org serial=2610210002 | ||||||
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=1792664076 | ||||||
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DNS History
6 records (6 active, 0 former)
●NSns1.afraid.org2015-08-22 → 2026-10-22 · 2 obs
● 2026-10-22 10:24:10
●NSns2.afraid.org2015-08-22 → 2026-10-22 · 2 obs
● 2026-10-22 10:24:10
●NSns3.afraid.org2015-08-22 → 2026-10-22 · 2 obs
● 2026-10-22 10:24:10
●NSns4.afraid.org2015-08-22 → 2026-10-22 · 2 obs
● 2026-10-22 10:24:10
●MXmail.linuxdn.com2015-08-22 → 2026-10-22 · 5 obs
● 2020-01-13 04:32:26
○ 2026-09-19 09:39:54
● 2026-09-19 18:58:40
● 2026-10-22 10:24:10
●A173.164.244.822015-08-22 → 2026-10-22 · 5 obs
● 2020-01-13 04:32:26
○ 2026-09-19 09:39:54
● 2026-09-19 18:58:40
● 2026-10-22 10:24:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net... | - |
| linuxdn.com | ns1.afraid.org, ns2.afraid.org, ns3.afraid.org, ns4.afraid.org | - |
✅ Authoritative Response
Server:67.220.81.190
NS records: ns1.afraid.org, ns2.afraid.org, ns3.afraid.org, ns4.afraid.org
🔒 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: 2905ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.164.244.82 |
| NS | 4 | ns2.afraid.org, ns1.afraid.org... |
| MX | 1 | mail.linuxdn.com (pri: 10) |
| SOA | 1 | ns1.afraid.org dnsadmin.afraid.org |
Analysis
IP Addresses
linuxdn.com has exactly one IP address — 173.164.244.82.
The host names mail.linuxdn.org, linuxdn.net, linuxdn.org and mail.linuxdn.net all share IP numbers with linuxdn.com.
Name Servers
Four name servers handle the delegation for linuxdn.com: ns1.afraid.org, ns2.afraid.org, ns3.afraid.org and ns4.afraid.org.
linuxdn.com partially shares its NS delegation with several other domains, including hpdt.ro, sixxy.net, tmaxapp.site and two others.
Host names pointing to two IP addresses:
ns2.afraid.org has two IP addresses: 69.65.50.223 and 2001:1850:1:5:800::6b.
ns4.afraid.org has two IP addresses: 70.39.97.253 and 2610:150:bddb:d271::2.
Host names resolving to a single IP address:
ns1.afraid.org directs to 23.227.184.22.
ns3.afraid.org directs to 67.220.81.190.
Mail Servers
linuxdn.com uses one mail server — mail.linuxdn.com.
mail.linuxdn.com has exactly one IP number: 173.164.244.82.