c-b-u.com - robtex.com
c-b-u.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
c-b-u.com |
Similar names
DNS History
12 records (6 active, 6 former)
●NSns1.bdm.microsoftonline.com2015-08-16 → 2026-03-24 · 3 obs
● 2015-08-16 22:27:46
● 2026-03-24 03:10:22
○NSns2.bdm.microsoftonline.com2015-08-16 → 2020-02-21 · 5 obs
● 2015-08-16 22:27:46
● 2020-02-21 08:45:14
○ 2026-03-24 03:10:20
○ 2026-03-24 03:10:22
○NSns3.bdm.microsoftonline.com2015-08-16 → 2020-02-21 · 5 obs
● 2015-08-16 22:27:46
● 2020-02-21 08:45:14
○ 2026-03-24 03:10:20
○ 2026-03-24 03:10:22
○NSns4.bdm.microsoftonline.com2015-08-16 → 2020-02-21 · 5 obs
● 2015-08-16 22:27:46
● 2020-02-21 08:45:14
○ 2026-03-24 03:10:20
○ 2026-03-24 03:10:22
●NSns75.domaincontrol.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 03:10:20
● 2026-03-24 03:10:22
●NSns76.domaincontrol.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 03:10:20
● 2026-03-24 03:10:22
●MXcbu-com0k.mail.protection.outlook.com2015-08-16 → 2026-03-24 · 3 obs
● 2015-08-16 22:27:46
● 2026-03-24 03:10:22
○MXmx00.1and1.com2008-03-14 → 2008-03-14 · 3 obs
○ 2015-08-16 22:27:46
○ 2026-03-24 03:10:22
○MXmx01.1and1.com2008-03-14 → 2008-03-14 · 3 obs
○ 2015-08-16 22:27:46
○ 2026-03-24 03:10:22
●A15.197.225.1282026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 03:10:20
● 2026-03-24 03:10:22
●A3.33.251.1682026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 03:10:20
● 2026-03-24 03:10:22
○A54.69.182.52015-08-16 → 2020-02-21 · 5 obs
● 2015-08-16 22:27:46
● 2020-02-21 08:45:14
○ 2026-03-24 03:10:20
○ 2026-03-24 03:10:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| c-b-u.com | ns75.domaincontrol.com, ns76.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.107.48
NS records: ns75.domaincontrol.com, ns76.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c-b-u.com (unsigned zone)
⏱️ Timing
Total: 1021ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 3 | ns75.domaincontrol.com, ns76.domaincontrol.com... |
| MX | 1 | cbu-com0k.mail.protection.outlook.com (p |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns75.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns75.domaincontrol.com, ns75.domaincontrol.com, ns76.domaincontrol.com...)
Analysis
IP Addresses
c-b-u.com points to two IP numbers: 3.33.251.168 and 15.197.225.128.
Other host names such as itosllc.com, jacksonvillebeachlawyer.com, grapesandladdersvineyards.com, candy.toys and cannabiscio.com share IPs with c-b-u.com.
Name Servers
c-b-u.com is delegated to three name servers: ns75.domaincontrol.com, ns76.domaincontrol.com and ns1.bdm.microsoftonline.com.
c-b-u.com at least partially shares name servers with other domains, for instance eabstractllc.com, mplus-seminare.de, mrek.co.za, ohiovalleyelectric.com and ngcfcu.com.
These name servers are commonly used together with ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.
Host ns75.domaincontrol.com points to 2603:5:21b4::30 and 97.74.107.48; Host ns76.domaincontrol.com points to 2603:5:22b4::30 and 173.201.75.48; Host ns1.bdm.microsoftonline.com points to 2603:1061:0:700::d0 and 13.107.236.208.
Mail Servers
c-b-u.com is handled by a single mail server, cbu-com0k.mail.protection.outlook.com.
Host name cbu-com0k.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c92c::3, 2a01:111:f403:c92c::4, 2a01:111:f403:c936::, 2a01:111:f403:f902::, 52.101.9.21, 52.101.42.16, 52.101.194.0 and 52.101.194.12.