firstus.us - dns.ninja
firstus.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.146.18.38🇺🇸 Microsoft52.146.0.0/15 MICROSOFT | ||||||
| PTR | cpanel118.turbify.biz | ||||||
| NS | ns1.turbify.com ⭐ | ||||||
| A | 20.121.230.119🇺🇸 Microsoft20.64.0.0/10 | ||||||
| NS | ns2.turbify.com | ||||||
| A | 134.33.240.61🇬🇧 Microsoft134.33.0.0/16 | ||||||
| MX | mx-biz.mail.am0.yahoodns.net ⭐ | ||||||
| A | 67.195.204.83🇺🇸 Yahoo67.195.204.0/24 Verizon Media BF1 | ||||||
| PTR | mtaproxy1.biz.mail.vip.bf1.yahoo.com | ||||||
| A | 67.195.228.75🇺🇸 Yahoo67.195.228.0/24 Verizon Media GQ1 | ||||||
| PTR | mtaproxy1.biz.mail.vip.gq1.yahoo.com | ||||||
| SOA | ns1.turbify.comhostmaster@firstus.us 2026-02-18 #2 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1784833572 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NShidden-master.yahoo.com2015-06-06 → 2016-06-24 · 4 obs
● 2016-06-24 05:05:10
○ 2026-03-28 05:39:08
○ 2026-07-23 19:49:26
●NSns1.turbify.com2026-03-28 → 2026-07-23 · 3 obs
● 2026-03-28 05:39:08
● 2026-07-23 19:49:26
●NSns2.turbify.com2026-03-28 → 2026-07-23 · 3 obs
● 2026-03-28 05:39:08
● 2026-07-23 19:49:26
○NSyns1.yahoo.com2015-06-06 → 2016-06-24 · 4 obs
● 2016-06-24 05:05:10
○ 2026-03-28 05:39:08
○ 2026-07-23 19:49:26
○NSyns2.yahoo.com2015-06-06 → 2016-06-24 · 4 obs
● 2016-06-24 05:05:10
○ 2026-03-28 05:39:08
○ 2026-07-23 19:49:26
●MXmx-biz.mail.am0.yahoodns.net2015-06-06 → 2026-07-23 · 5 obs
● 2026-05-13 21:15:00
○ 2026-07-19 03:45:42
● 2026-07-23 19:49:24
● 2026-07-23 19:49:26
●A52.146.18.382026-03-28 → 2026-07-23 · 6 obs
● 2026-03-28 05:39:08
● 2026-05-13 21:15:00
○ 2026-07-19 03:45:42
● 2026-07-23 19:49:24
● 2026-07-23 19:49:26
○A98.139.135.1282015-11-06 → 2016-06-24 · 5 obs
● 2015-11-06 14:00:58
● 2016-06-24 05:05:10
○ 2026-03-28 05:39:08
○ 2026-07-23 19:49:26
○A98.139.135.1992015-06-06 → 2015-06-06 · 3 obs
○ 2015-11-06 14:00:58
○ 2026-07-23 19:49:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | n.cctld.us, m.cctld.us, k.cctld.us, f.cctld.us... | - |
| firstus.us | ns1.turbify.com, ns2.turbify.com | - |
✅ Authoritative Response
Server:134.33.240.61
NS records: ns1.turbify.com, ns2.turbify.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstus.us (unsigned zone)
⏱️ Timing
Total: 569ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.146.18.38 |
| NS | 2 | ns2.turbify.com, ns1.turbify.com |
| MX | 2 | mx-biz.mail.am0.yahoodns.net (pri: 30), mx-biz.mail.am0.yahoodns.net (pri: 20) |
| SOA | 1 | ns1.turbify.com hostmaster.firstus.us |
Analysis
IP Addresses
firstus.us directs to one IP number, which is 52.146.18.38.
Among the host names that share IP numbers with firstus.us are steinhour.net, foralink.com, lrcvaw.org and two others.
Name Servers
Two name servers handle the delegation for firstus.us: ns1.turbify.com and ns2.turbify.com.
firstus.us has the same name server delegation as a number of other domains, such as simotas.com, ceryak.com, kincoach.com and two more.
firstus.us partially shares its NS delegation with several other domains, including barnes-group.com, yaqusoluciones.com, advanceddiving.com and two others.
These name servers are regularly seen alongside yns1.yahoo.com and yns2.yahoo.com as name servers.
ns1.turbify.com resolves to 20.121.230.119. ns2.turbify.com resolves to 134.33.240.61. Both host names point to a single IP number.
Mail Servers
firstus.us routes its mail through a single mail server, mx-biz.mail.am0.yahoodns.net.
firstus.us has the same mail server arrangement as a number of other domains, for example watabes.com, parcoasisusa.com, kramerkozek.us and two more.
firstus.us uses mail servers that are also used by other domains, including southamptonroofing.com, grupoparts.com and avbpress.com.
The host mx-biz.mail.am0.yahoodns.net resolves to 67.195.204.83 and 67.195.228.75 — two IP addresses.