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=1781373407 | ||||||
Same first word
Similar names
nistruct.com |
curtisnt.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 → 2026-06-13 · 3 obs
● 2026-02-22 07:38:32
● 2026-06-13 18:20:20
●NSns2.wordpress.com2026-02-22 → 2026-06-13 · 3 obs
● 2026-02-22 07:38:32
● 2026-06-13 18:20:20
●NSns3.wordpress.com2026-02-22 → 2026-06-13 · 3 obs
● 2026-02-22 07:38:32
● 2026-06-13 18:20:20
○NSns33.domaincontrol.com2015-07-22 → 2016-07-19 · 4 obs
● 2016-07-19 06:43:24
○ 2026-02-22 07:38:32
○ 2026-06-13 18:20:20
○NSns34.domaincontrol.com2015-07-22 → 2016-07-19 · 4 obs
● 2016-07-19 06:43:24
○ 2026-02-22 07:38:32
○ 2026-06-13 18:20:20
●MXalt1.aspmx.l.google.com2015-07-22 → 2026-06-13 · 2 obs
● 2026-06-13 18:20:20
●MXalt2.aspmx.l.google.com2015-07-22 → 2026-06-13 · 2 obs
● 2026-06-13 18:20:20
●MXaspmx.l.google.com2015-07-22 → 2026-06-13 · 2 obs
● 2026-06-13 18:20:20
●MXaspmx2.googlemail.com2015-07-22 → 2026-06-13 · 2 obs
● 2026-06-13 18:20:20
●MXaspmx3.googlemail.com2015-07-22 → 2026-06-13 · 2 obs
● 2026-06-13 18:20:20
●A192.0.78.242026-02-22 → 2026-06-13 · 3 obs
● 2026-02-22 07:38:32
● 2026-06-13 18:20:20
●A192.0.78.252026-02-22 → 2026-06-13 · 3 obs
● 2026-02-22 07:38:32
● 2026-06-13 18:20:20
○A97.74.42.792015-07-22 → 2016-07-19 · 4 obs
● 2016-07-19 06:43:24
○ 2026-02-22 07:38:32
○ 2026-06-13 18:20:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | k.cctld.us, y.cctld.us, n.cctld.us, f.cctld.us... | - |
| instruct.us | ns3.wordpress.com, ns1.wordpress.com, ns2.wordpress.com | - |
✅ Authoritative Response
Server:198.181.117.9
NS records: ns3.wordpress.com, ns1.wordpress.com, ns2.wordpress.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for instruct.us (unsigned zone)
⏱️ Timing
Total: 327ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 192.0.78.24, 192.0.78.25 |
| NS | 3 | ns3.wordpress.com, ns1.wordpress.com... |
| MX | 5 | aspmx2.googlemail.com (pri: 30), 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 points to two IP numbers: 192.0.78.24 and 192.0.78.25.
Additional host names — thisbeer.net, mistermarketplace.com, see-design.net 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, fbombmommy.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 108.177.123.27 and 2800:3f0:4003:c0f::1b.
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 172.253.115.26 and 2607:f8b0:4004:c09::1a.
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::1a.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.27 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1a IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.