instruct.us - dns.ninja
instruct.us
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=1785430821 | ||||||
Same first word
Similar names
nistruct.com |
trustinc.biz |
trustinc.jp |
ctiturns.com |
trustnic.com |
trustinc.org |
structin.com |
sturtinc.com |
cintrust.com |
DNS History
13 records (10 active, 3 former)
●NSns1.wordpress.com2026-02-22 → 2026-07-30 · 3 obs
● 2026-02-22 07:38:32
● 2026-07-30 17:29:10
●NSns2.wordpress.com2026-02-22 → 2026-07-30 · 3 obs
● 2026-02-22 07:38:32
● 2026-07-30 17:29:10
●NSns3.wordpress.com2026-02-22 → 2026-07-30 · 3 obs
● 2026-02-22 07:38:32
● 2026-07-30 17:29:10
○NSns33.domaincontrol.com2015-07-22 → 2016-07-19 · 4 obs
● 2016-07-19 06:43:24
○ 2026-02-22 07:38:32
○ 2026-07-30 17:29:10
○NSns34.domaincontrol.com2015-07-22 → 2016-07-19 · 4 obs
● 2016-07-19 06:43:24
○ 2026-02-22 07:38:32
○ 2026-07-30 17:29:10
●MXalt1.aspmx.l.google.com2015-07-22 → 2026-07-30 · 2 obs
● 2026-07-30 17:29:10
●MXalt2.aspmx.l.google.com2015-07-22 → 2026-07-30 · 2 obs
● 2026-07-30 17:29:10
●MXaspmx.l.google.com2015-07-22 → 2026-07-30 · 2 obs
● 2026-07-30 17:29:10
●MXaspmx2.googlemail.com2015-07-22 → 2026-07-30 · 2 obs
● 2026-07-30 17:29:10
●MXaspmx3.googlemail.com2015-07-22 → 2026-07-30 · 2 obs
● 2026-07-30 17:29:10
●A192.0.78.242026-02-22 → 2026-07-30 · 3 obs
● 2026-02-22 07:38:32
● 2026-07-30 17:29:10
●A192.0.78.252026-02-22 → 2026-07-30 · 3 obs
● 2026-02-22 07:38:32
● 2026-07-30 17:29:10
○A97.74.42.792015-07-22 → 2016-07-19 · 4 obs
● 2016-07-19 06:43:24
○ 2026-02-22 07:38:32
○ 2026-07-30 17:29:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| instruct.us | ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com | - |
✅ Authoritative Response
Server:198.181.116.9
NS records: ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for instruct.us (unsigned zone)
⏱️ Timing
Total: 529ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 192.0.78.25, 192.0.78.24 |
| NS | 3 | ns3.wordpress.com, ns1.wordpress.com... |
| MX | 5 | aspmx.l.google.com (pri: 10), aspmx3.googlemail.com (pri: 30)... |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=4DV5_TelDZ5EMCO |
| SOA | 1 | ns1.wordpress.com hostmaster.wordpress.c |
Analysis
IP Addresses
instruct.us resolves to the IP addresses 192.0.78.24 and 192.0.78.25
Additional host names — tascoe.org, thisbeer.net, mistermarketplace.com and two others — share IP numbers with instruct.us.
Name Servers
instruct.us is served by three name servers: ns1.wordpress.com, ns2.wordpress.com and ns3.wordpress.com.
instruct.us shares at least some of its name servers with other domains, including cinnamonandstyle.com, automattic.mx, maison-madera.com and two others.
The hostnames ns1.wordpress.com, ns2.wordpress.com and ns3.wordpress.com each direct to two IP addresses — ns1.wordpress.com to 198.181.116.9 and 2a04:fa87:ffff::c6b5:7409, ns2.wordpress.com to 198.181.117.9 and 2a04:fa87:ffff::c6b5:7509, and ns3.wordpress.com to 192.0.74.9 and 2620:115:c00f::c000:4a09.
Mail Servers
instruct.us is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
instruct.us shares mail servers — at least in part — with other domains, including ayaha.ed.jp, advantechresources.com, ns500693.ns500699.ns500734.ns500734.ns500693.ns500734.ns500734.ns500699.ns500683.ns500699.ns500588.ns500699.ns500683.ns500683.ns500588.dtrkdll.com and two others.
These mail servers are frequently used alongside mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.
Host names with two IP numbers:
The A records for aspmx2.googlemail.com return 108.177.123.26 and 2800:3f0:4003:c0f::1a.
The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.
The A records for aspmx.l.google.com return 172.253.62.26 and 2607:f8b0:4004:c1b::1b.
The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1a IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.