br21.com - robtex.com
br21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| NS | a5.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| NS | b5.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| TXT | google-site-verification=FmVJM66tHCj3DZMTFwIZQoPnqSGIjXGN0CZTc9hBQe8 | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1768797778 | ||||||
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
Similar names
rb21.com |
rb21.net |
1r2b.com |
21rb.com |
b12r.at |
21br.com |
r21b.xyz |
br12.com.br |
r21b.com |
r1b2.com |
br12.de |
12br.com |
12rb.com |
DNS History
13 records (5 active, 8 former)
●NSa.share-dns.com2026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 17:19:02
●NSa5.share-dns.com2026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 17:19:02
●NSb.share-dns.net2026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 17:19:02
●NSb5.share-dns.net2026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 17:19:02
○NSns1.br21.com2015-08-01 → 2016-04-18 · 4 obs
● 2016-04-18 02:11:30
○ 2017-02-10 08:14:46
○ 2026-03-12 17:19:02
○NSns1.novahost.com.br2017-02-10 → 2020-02-12 · 4 obs
● 2017-02-10 08:14:46
● 2020-02-12 20:39:24
○ 2026-03-12 17:19:02
○NSns2.br21.com2015-08-01 → 2016-04-18 · 4 obs
● 2016-04-18 02:11:30
○ 2017-02-10 08:14:46
○ 2026-03-12 17:19:02
○NSns2.novahost.com.br2017-02-10 → 2020-02-12 · 4 obs
● 2017-02-10 08:14:46
● 2020-02-12 20:39:24
○ 2026-03-12 17:19:02
○MXbr21.com2015-08-01 → 2020-02-12 · 3 obs
● 2020-02-12 20:39:24
○ 2026-03-12 17:19:02
○A104.247.202.192015-08-01 → 2016-04-18 · 4 obs
● 2016-04-18 02:11:30
○ 2017-02-10 08:14:46
○ 2026-03-12 17:19:02
○A104.247.202.212017-02-10 → 2017-02-10 · 4 obs
● 2017-02-10 08:14:46
○ 2020-02-12 20:39:24
○ 2026-03-12 17:19:02
○A192.99.194.162020-02-12 → 2020-02-12 · 3 obs
● 2020-02-12 20:39:24
○ 2026-03-12 17:19:02
●A216.198.79.12026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 17:19:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| br21.com | b5.share-dns.net, a5.share-dns.com | 1 record |
✅ Authoritative Response
Server: 172.64.53.25
NS records: b5.share-dns.net, a5.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for br21.com (unsigned zone)
⏱️ Timing
Total: 263ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| TXT | 1 | google-site-verification=FmVJM66tHCj3DZM |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a5.share-dns.com)
Analysis
IP Addresses
br21.com points to a single IP: 216.198.79.1.
Other host names, for instance swifton.com, acuron.in, ronin.io, 6apart.kickbio.link and cass77.com share IP numbers with br21.com.
Name Servers
br21.com is delegated to four name servers: a5.share-dns.com, a.share-dns.com, b5.share-dns.net and b.share-dns.net.
br21.com at least partially shares its name servers with other domains, for instance fskrs.com, hrvac.cn, divxupskirts.com, zhiyuants.com and island(0x736578).com.
These name servers are commonly used with a6.share-dns.com, b6.share-dns.net, a4.share-dns.com, b4.share-dns.net, a8.share-dns.com, b8.share-dns.net, a11.share-dns.com, b11.share-dns.net, a3.share-dns.com and b3.share-dns.net.
Host names with a single IP number:
The host names a5.share-dns.com and a.share-dns.com point to 172.64.53.25.
The host names b5.share-dns.net and b.share-dns.net point to 172.64.52.239.
Host names that point to 172.64.53.25: a5.share-dns.com and a.share-dns.com.
Host names that point to 172.64.52.239: b5.share-dns.net and b.share-dns.net.