b21.net - robtex.com
b21.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 69.49.244.83🇺🇸 Jacksonville69.49.244.0/24 | ||||||
| PTR | bemzhost.net | ||||||
| NS | ns1004.bemzhost.net ⭐ | ||||||
| A | 69.49.244.83🇺🇸 Jacksonville69.49.244.0/24 | ||||||
| PTR | bemzhost.net | ||||||
| NS | ns1.bemzhost.net | ||||||
| A | 69.49.244.83🇺🇸 Jacksonville69.49.244.0/24 | ||||||
| PTR | bemzhost.net | ||||||
| NS | ns1003.bemzhost.net | ||||||
| A | 69.49.244.83🇺🇸 Jacksonville69.49.244.0/24 | ||||||
| PTR | bemzhost.net | ||||||
| NS | ns2.bemzhost.net | ||||||
| A | 69.49.244.83🇺🇸 Jacksonville69.49.244.0/24 | ||||||
| PTR | bemzhost.net | ||||||
| MX | b21.net ⭐ | ||||||
| A | 69.49.244.83🇺🇸 Jacksonville69.49.244.0/24 | ||||||
| PTR | bemzhost.net | ||||||
| TXT | v=spf1 +a +mx include:eig.spf.a.cloudfilter.net ~all | ||||||
| SOA | ns1003.bemzhost.netroot@server1.bemzhost.net 2026-03-24 #0 | ||||||
net
| 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=1771291465 | ||||||
MX for
b21.net |
Subdomains
server.b21.net |
Same first word
b21.de |
b21.com |
b21.nl |
b21.cn |
b21.net |
b21.mobi |
b21.me |
b21.ph |
b21.hu |
b21.ag |
b21.io |
b21.ca |
b21.be |
b21.org |
b21.no |
b21.fr |
b21.eu |
b21.co |
b21.pl |
Similar names
DNS History
15 records (6 active, 9 former)
○NSf1g1ns1.dnspod.net2015-08-04 → 2016-09-10 · 4 obs
● 2015-08-04 09:37:00
● 2016-09-10 14:27:14
○ 2026-03-22 04:50:10
○ 2026-03-24 01:12:40
● 2016-09-10 14:27:14
○ 2026-03-22 04:50:10
○ 2026-03-24 01:12:40
○NSf1g1ns2.dnspod.net2015-08-04 → 2016-09-10 · 4 obs
● 2015-08-04 09:37:00
● 2016-09-10 14:27:14
○ 2026-03-22 04:50:10
○ 2026-03-24 01:12:40
● 2016-09-10 14:27:14
○ 2026-03-22 04:50:10
○ 2026-03-24 01:12:40
●NSns1.bemzhost.net2026-03-22 → 2026-03-24 · 3 obs
○ 2016-09-10 14:27:14
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
●NSns1003.bemzhost.net2026-03-22 → 2026-03-24 · 3 obs
○ 2016-09-10 14:27:14
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
●NSns1004.bemzhost.net2026-03-22 → 2026-03-24 · 3 obs
○ 2016-09-10 14:27:14
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
●NSns2.bemzhost.net2026-03-22 → 2026-03-24 · 3 obs
○ 2016-09-10 14:27:14
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
●MXb21.net2026-03-22 → 2026-03-24 · 2 obs
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
● 2026-03-24 01:12:40
○A113.78.165.1042016-09-10 → 2016-09-10 · 4 obs
○ 2016-03-21 03:00:14
● 2016-09-10 14:27:14
○ 2026-03-22 04:50:10
○ 2026-03-24 01:12:40
● 2016-09-10 14:27:14
○ 2026-03-22 04:50:10
○ 2026-03-24 01:12:40
○A116.4.153.202015-12-09 → 2015-12-09 · 4 obs
○ 2015-08-04 09:37:00
● 2015-12-09 13:18:18
○ 2016-03-21 03:00:14
○ 2026-03-24 01:12:40
● 2015-12-09 13:18:18
○ 2016-03-21 03:00:14
○ 2026-03-24 01:12:40
○A14.156.105.92016-03-21 → 2016-03-21 · 4 obs
○ 2015-12-09 13:18:18
● 2016-03-21 03:00:14
○ 2016-09-10 14:27:14
○ 2026-03-24 01:12:40
● 2016-03-21 03:00:14
○ 2016-09-10 14:27:14
○ 2026-03-24 01:12:40
○A14.156.106.1212015-08-04 → 2015-08-04 · 3 obs
● 2015-08-04 09:37:00
○ 2015-12-09 13:18:18
○ 2026-03-24 01:12:40
○ 2015-12-09 13:18:18
○ 2026-03-24 01:12:40
○A3.64.163.502026-03-22 → 2026-03-24 · 2 obs
○ 2026-03-22 04:50:10
○ 2026-03-24 01:12:40
○ 2026-03-24 01:12:40
●A69.49.244.832026-03-22 → 2026-03-24 · 3 obs
○ 2016-09-10 14:27:14
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
● 2026-03-22 04:50:10
● 2026-03-24 01:12:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| b21.net | ns1003.bemzhost.net, ns1004.bemzhost.net, ns2.bemzhost.net, ns1.bemzhost.net | 4 records |
✅ Authoritative Response
Server:69.49.244.83
NS records: ns1003.bemzhost.net, ns1004.bemzhost.net, ns2.bemzhost.net, ns1.bemzhost.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b21.net (unsigned zone)
⏱️ Timing
Total: 1407ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 69.49.244.83 |
| NS | 4 | ns1.bemzhost.net, ns1004.bemzhost.net... |
| MX | 1 | b21.net (pri: 0) |
| TXT | 1 | v=spf1 +a +mx include:eig.spf.a.cloudfil |
| SOA | 1 | ns1003.bemzhost.net root.server1.bemzhos |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1003.bemzhost.net, ns1004.bemzhost.net, ns2.bemzhost.net...)
Analysis
Hierarchy
The parent of server.b21.net is b21.net.
Mail Server Role
b21.net serves as the mail server for b21.net.
IP Addresses
b21.net points to a single IP number: 69.49.244.83.
Name Servers
b21.net is delegated to four name servers: ns1003.bemzhost.net, ns1004.bemzhost.net, ns1.bemzhost.net and ns2.bemzhost.net.
Hostnames that point to 69.49.244.83: ns1003.bemzhost.net, ns1004.bemzhost.net, ns1.bemzhost.net and ns2.bemzhost.net.
Mail Servers
A single mail server handles b21.net and b21.net.
Host name b21.net resolves to IP 69.49.244.83.