linux-ax.com - dns.ninja
linux-ax.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 100.4.133.90🇺🇸 AS701100.4.128.0/17 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| NS | ns3.pairnic.com ⭐ | ||||||
| A | 2607:f440::d85c:35d🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | ns3.pairnic.com | ||||||
| A | 216.92.3.93🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | ns3.pairnic.com | ||||||
| NS | ns4.pairnic.com | ||||||
| A | 2607:f441::d892:c0f5🇺🇸 AS78592607:f441::/32 Pair Networks, Inc. 2403 Sidney St STE 210 Pittsburgh PA 15203 United States | ||||||
| PTR | ns4.pairnic.com | ||||||
| A | 216.146.192.245🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | ns4.pairnic.com | ||||||
| MX | linux-ax.com ⭐ | ||||||
| A | 100.4.133.90🇺🇸 AS701100.4.128.0/17 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| TXT | protonmail-verification=d2b0c7e8696d3e3e4763fca24887f8c3ed91f5da | ||||||
| SOA | ns3.pairnic.comroot@pair.com 2026-07-05 #85 | ||||||
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=1784931682 | ||||||
PTR for
MX for
linux-ax.com |
Same first word
linux-ax.com |
DNS History
8 records (4 active, 4 former)
●NSns3.pairnic.com2015-06-15 → 2026-07-24 · 2 obs
● 2026-07-24 22:41:36
●NSns4.pairnic.com2015-06-15 → 2026-07-24 · 2 obs
● 2026-07-24 22:41:36
●MXlinux-ax.com2015-06-15 → 2026-07-24 · 2 obs
● 2026-07-24 22:41:36
●A100.4.133.902026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 22:41:34
● 2026-07-24 22:41:36
○A216.27.113.1222015-06-15 → 2026-02-22 · 9 obs
○ 2015-11-03 15:06:16
○ 2016-02-03 00:20:04
● 2016-04-26 11:02:34
○ 2017-02-15 06:41:38
○ 2018-11-30 16:37:26
● 2026-02-22 23:57:06
○ 2026-07-24 22:41:34
○ 2026-07-24 22:41:36
○A216.27.113.462015-11-03 → 2015-11-03 · 4 obs
● 2015-11-03 15:06:16
○ 2016-02-03 00:20:04
○ 2026-07-24 22:41:36
○A216.27.113.552016-02-03 → 2018-11-30 · 7 obs
● 2016-02-03 00:20:04
○ 2016-04-26 11:02:34
○ 2017-02-15 06:41:38
● 2018-11-30 16:37:26
○ 2026-02-22 23:57:06
○ 2026-07-24 22:41:36
○A216.27.113.982017-02-15 → 2017-02-15 · 4 obs
● 2017-02-15 06:41:38
○ 2018-11-30 16:37:26
○ 2026-07-24 22:41:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| linux-ax.com | ns3.pairnic.com, ns4.pairnic.com | 4 records |
✅ Authoritative Response
Server:216.92.3.93
NS records: ns3.pairnic.com, ns4.pairnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linux-ax.com (unsigned zone)
⏱️ Timing
Total: 206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 100.4.133.90 |
| NS | 2 | NS3.PAIRNIC.com, NS4.PAIRNIC.com |
| MX | 1 | linux-ax.com (pri: 1) |
| TXT | 1 | protonmail-verification=d2b0c7e8696d3e3e |
| SOA | 1 | ns3.pairnic.com root.pair.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns3.pairnic.com, ns3.pairnic.com, ns4.pairnic.com...)
Analysis
Mail Server Role
linux-ax.com acts as its own mail server.
IP Addresses
linux-ax.com points to a single IP number: 100.4.133.90.
Name Servers
DNS delegation for linux-ax.com points to two name servers: ns3.pairnic.com and ns4.pairnic.com.
linux-ax.com shares its name server setup with other domains, including marleyshop.com, 47x.com, oregonhouserepublicans.com and two others.
linux-ax.com has at least partial name server overlap with other domains, such as fgdangelolaw.com, gulkegroup.com, barnabyharris.com and two others.
ns3.pairnic.com directs to 216.92.3.93 and 2607:f440::d85c:35d. ns4.pairnic.com directs to 216.146.192.245 and 2607:f441::d892:c0f5. Each host name carries two IP addresses.
Mail Servers
linux-ax.com has a single mail server: linux-ax.com itself.
linux-ax.com has exactly one IP number: 100.4.133.90.