jbb.com - dns.ninja
jbb.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=1784583087 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSauth1.dns.cogentco.com2015-07-05 → 2026-07-20 · 2 obs
● 2026-07-20 21:49:32
●NSauth2.dns.cogentco.com2015-07-05 → 2026-07-20 · 2 obs
● 2026-07-20 21:49:32
○NSauth4.dns.cogentco.com2015-07-05 → 2018-01-15 · 4 obs
● 2018-01-15 08:45:18
○ 2026-04-29 21:07:38
○ 2026-07-20 21:49:32
○NSauth5.dns.cogentco.com2015-07-05 → 2018-01-15 · 4 obs
● 2018-01-15 08:45:18
○ 2026-04-29 21:07:38
○ 2026-07-20 21:49:32
○MXjbb-com.mail.protection.outlook.com2015-09-05 → 2018-01-15 · 5 obs
● 2015-09-05 00:50:44
● 2018-01-15 08:45:18
○ 2026-04-29 21:07:38
○ 2026-07-20 21:49:32
○MXmail.mailroute.net2015-07-05 → 2015-07-05 · 3 obs
○ 2015-09-05 00:50:44
○ 2026-07-20 21:49:32
●MXus-smtp-inbound-1.mimecast.com2026-04-29 → 2026-07-20 · 3 obs
● 2026-04-29 21:07:38
● 2026-07-20 21:49:32
●MXus-smtp-inbound-2.mimecast.com2026-04-29 → 2026-07-20 · 3 obs
● 2026-04-29 21:07:38
● 2026-07-20 21:49:32
○A104.131.60.892015-09-05 → 2018-01-15 · 5 obs
● 2015-09-05 00:50:44
● 2018-01-15 08:45:18
○ 2026-04-29 21:07:38
○ 2026-07-20 21:49:32
●A3.144.85.1842026-04-29 → 2026-07-20 · 3 obs
● 2026-04-29 21:07:38
● 2026-07-20 21:49:32
○A66.228.60.2512015-07-05 → 2015-07-05 · 3 obs
○ 2015-09-05 00:50:44
○ 2026-07-20 21:49:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net... | - |
| jbb.com | auth1.dns.cogentco.com, auth2.dns.cogentco.com | 3 records |
✅ Authoritative Response
Server:66.28.0.30
NS records: auth1.dns.cogentco.com, auth2.dns.cogentco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jbb.com (unsigned zone)
⏱️ Timing
Total: 620ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.144.85.184 |
| NS | 2 | auth1.dns.cogentco.com, auth2.dns.cogentco.com |
| MX | 2 | us-smtp-inbound-2.mimecast.com (pri: 0), us-smtp-inbound-1.mimecast.com (pri: 0) |
| TXT | 7 | MS=ms22383696, v=spf1 include:us._netblocks.mimecast.co... |
| SOA | 1 | auth1.dns.cogentco.com dns.cogentco.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (auth1.dns.cogentco.com, auth1.dns.cogentco.com, auth2.dns.cogentco.com)
Analysis
Hierarchy
www.jbb.com and webmail.jbb.com each fall under jbb.com as their parent domain.
IP Addresses
jbb.com resolves to just one IP address, 3.144.85.184.
There are other host names — ec2-3-144-85-184.us-east-2.compute.amazonaws.com among them — that share IP numbers with jbb.com.
Name Servers
DNS delegation for jbb.com points to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.
jbb.com shares its NS records with other domains, for example 114.158.206.in-addr.arpa, 1.102.38.in-addr.arpa, 81.55.216.in-addr.arpa and two others.
There is at least partial name server overlap between jbb.com and other domains — 118.115.209.in-addr.arpa, 72.108.192.in-addr.arpa, 195.138.192.in-addr.arpa and two more among them.
These name servers regularly appear alongside nsa.ups.com, nsb.ups.com, shadowcat-i.ups.com and 7 other name servers in NS record sets.
auth1.dns.cogentco.com directs to 66.28.0.14 and 2001:550:1:a::d. auth2.dns.cogentco.com directs to 66.28.0.30 and 2001:550:1:b::d. Each host name carries two IP addresses.
Mail Servers
jbb.com is served by two mail servers, us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Among the domains sharing a mail server setup with jbb.com are abbviespeakerresources.com, lockwoodandswalm.com, templeton.de and two others.
There is at least a partial MX overlap between jbb.com and other domains, including testandmeasurement.com, fmsolutions.net, kamloopsreporting.ca and two others.
DNS names with 6 IP addresses:
us-smtp-inbound-1.mimecast.com has IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, plus 3 other.
us-smtp-inbound-2.mimecast.com has IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, plus 3 other.
Host names pointing to 170.10.128.141 IP addresses: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Host names pointing to 170.10.128.221 IP addresses: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Host names pointing to 170.10.128.242 IP addresses: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Host names pointing to 170.10.132.141 IP addresses: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Host names pointing to 170.10.132.221 IP addresses: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Host names pointing to 170.10.132.242 IP addresses: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.