bert.us - robtex.com
bert.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dotster.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.250🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.dotster.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.155🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mx.bert.us ⭐ | ||||||
| A | 66.96.140.88🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc | ||||||
| PTR | 88.140.96.66.static.eigbox.net | ||||||
| A | 66.96.140.89🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc | ||||||
| PTR | 89.140.96.66.static.eigbox.net | ||||||
| TXT | v=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all | ||||||
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=1784860925 | ||||||
Subdomains
mx.bert.us |
Same first word
Similar names
DNS History
5 records (3 active, 2 former)
●NSns1.dotster.com2015-08-20 → 2026-07-24 · 2 obs
● 2026-07-24 03:15:36
●NSns2.dotster.com2015-08-20 → 2026-07-24 · 2 obs
● 2026-07-24 03:15:36
●MXmx.bert.us2015-08-20 → 2026-07-24 · 2 obs
● 2026-07-24 03:15:36
○A66.96.149.322016-03-11 → 2026-07-18 · 8 obs
● 2016-03-11 17:05:20
● 2016-07-13 09:20:10
○ 2026-07-17 14:05:16
● 2026-07-17 15:26:28
○ 2026-07-18 04:46:08
● 2026-07-18 22:08:34
○ 2026-07-24 03:15:36
○A66.96.161.1562015-08-20 → 2015-12-15 · 4 obs
● 2015-12-15 10:03:34
○ 2016-03-11 17:05:20
○ 2026-07-24 03:15:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| bert.us | ns2.dotster.com, ns1.dotster.com | - |
✅ Authoritative Response
Server:172.64.53.155
NS records: ns2.dotster.com, ns1.dotster.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bert.us (unsigned zone)
⏱️ Timing
Total: 3290ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.96.149.32 |
| NS | 2 | ns2.dotster.com, ns1.dotster.com |
Analysis
Hierarchy
The domain mx.bert.us falls under the parent bert.us.
Name Servers
bert.us has two authoritative name servers — ns1.dotster.com and ns2.dotster.com.
bert.us has the same name server delegation as a number of other domains, such as usgem.com, hhmmag.com, fromsmtp.com and two more.
At least some of bert.us's name servers are shared with other domains, for example steveballs.com, merciers.net, terren.org and two more.
These name servers tend to co-occur with ns1.yourhostingaccount.com, ns2.yourhostingaccount.com, ns1.nameresolve.com and 5 other name servers in the same DNS delegations.
Each of ns1.dotster.com and ns2.dotster.com has one IP address: ns1.dotster.com uses 172.64.52.250 and ns2.dotster.com uses 172.64.53.155.
Mail Servers
bert.us routes its mail through a single mail server, mx.bert.us.
mx.bert.us directs to two IP numbers, 66.96.140.88 and 66.96.140.89.