leftbrain.us - robtex.com
leftbrain.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=1776093620 | ||||||
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
○NSns1.mediatemple.net2015-07-19 → 2019-01-30 · 4 obs
● 2019-01-30 02:19:54
○ 2026-03-29 22:32:12
○ 2026-04-13 15:41:44
●NSns1045.ui-dns.biz2026-03-29 → 2026-04-13 · 3 obs
● 2026-03-29 22:32:12
● 2026-04-13 15:41:44
●NSns1045.ui-dns.com2026-03-29 → 2026-04-13 · 3 obs
● 2026-03-29 22:32:12
● 2026-04-13 15:41:44
●NSns1045.ui-dns.de2026-03-29 → 2026-04-13 · 3 obs
● 2026-03-29 22:32:12
● 2026-04-13 15:41:44
●NSns1045.ui-dns.org2026-03-29 → 2026-04-13 · 3 obs
● 2026-03-29 22:32:12
● 2026-04-13 15:41:44
○NSns2.mediatemple.net2015-07-19 → 2019-01-30 · 4 obs
● 2019-01-30 02:19:54
○ 2026-03-29 22:32:12
○ 2026-04-13 15:41:44
○MXmail.leftbrain.us2015-07-19 → 2019-01-30 · 4 obs
● 2019-01-30 02:19:54
○ 2026-03-29 22:32:12
○ 2026-04-13 15:41:44
●MXmx00.ionos.com2026-03-29 → 2026-04-13 · 3 obs
● 2026-03-29 22:32:12
● 2026-04-13 15:41:44
●MXmx01.ionos.com2026-03-29 → 2026-04-13 · 3 obs
● 2026-03-29 22:32:12
● 2026-04-13 15:41:44
○A205.186.149.1922015-07-19 → 2016-06-17 · 4 obs
● 2016-06-17 17:12:26
○ 2017-01-08 09:17:00
○ 2026-04-13 15:41:44
●A2607:f1c0:100f:f000::2002026-03-29 → 2026-04-13 · 3 obs
● 2026-03-29 22:32:12
● 2026-04-13 15:41:44
○A72.10.50.1322017-01-08 → 2019-01-30 · 5 obs
● 2017-01-08 09:17:00
● 2019-01-30 02:19:54
○ 2026-03-29 22:32:12
○ 2026-04-13 15:41:44
●A74.208.236.1972026-03-29 → 2026-04-13 · 3 obs
● 2026-03-29 22:32:12
● 2026-04-13 15:41:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, w.cctld.us, y.cctld.us, k.cctld.us... | - |
| leftbrain.us | ns1045.ui-dns.biz, ns1045.ui-dns.com | - |
✅ Authoritative Response
Server:217.160.82.45
NS records: ns1045.ui-dns.biz, ns1045.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for leftbrain.us (unsigned zone)
⏱️ Timing
Total: 673ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.208.236.197 |
| AAAA | 1 | 2607:f1c0:100f:f000::200 |
| NS | 4 | ns1045.ui-dns.biz, ns1045.ui-dns.com... |
| MX | 2 | mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10) |
| TXT | 2 | zone-ownership-verification-665db5127274, v=spf1 include:_spf-us.ionos.com ~all |
| SOA | 1 | ns1045.ui-dns.com hostmaster.1und1.com |
Analysis
IP Addresses
leftbrain.us resolves to two IPs: 2607:f1c0:100f:f000::200 and 74.208.236.197.
other host names for instance www.crownlaw.legal, cassarinogranite.com, poconocustomhomes.com, hightech-ceo.com and allstatemachine.com share IP numbers with leftbrain.us.
Name Servers
leftbrain.us is delegated to four name servers: ns1045.ui-dns.biz, ns1045.ui-dns.com, ns1045.ui-dns.de and ns1045.ui-dns.org.
leftbrain.us at least partially shares name servers with other domains, for instance lapaz.gob.mx, konrad-neitzel.de, ento.es, lomar1980.com and endthewokeness.com.
Host names with two IP numbers:
Host name ns1045.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:512d:100 and 217.160.81.45.
Host name ns1045.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:522d:100 and 217.160.82.45.
Host name ns1045.ui-dns.de points to: 2001:8d8:fe:53:0:d9a0:502d:100 and 217.160.80.45.
Host name ns1045.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:532d:100 and 217.160.83.45.
Mail Servers
leftbrain.us is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.
leftbrain.us shares the same mail server setup as other domains, for instance cafemathe.com, hembreemotors.com, chestercountyautoinsurance.com, smartexam.in and peoplesrepublics.com.
Host names with one IP number:
The host mx00.ionos.com points to 74.208.5.3 and the host mx01.ionos.com points to 74.208.5.21.