21bos.com - robtex.com
21bos.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=1774635092 | ||||||
Same first word
21bos.com |
Similar names
DNS History
13 records (5 active, 8 former)
○NSdns1.smartydns.com.au2015-06-27 → 2016-06-21 · 4 obs
● 2016-06-21 02:45:32
○ 2017-02-18 17:16:02
○ 2026-03-27 18:37:28
○NSdns2.smartydns.com.au2015-06-27 → 2016-06-21 · 4 obs
● 2016-06-21 02:45:32
○ 2017-02-18 17:16:02
○ 2026-03-27 18:37:28
○NSdns3.smartydns.com.au2015-06-27 → 2016-06-21 · 4 obs
● 2016-06-21 02:45:32
○ 2017-02-18 17:16:02
○ 2026-03-27 18:37:28
○NSns1.netregistry.net2017-02-18 → 2017-02-18 · 4 obs
● 2017-02-18 17:16:02
○ 2020-02-09 17:29:50
○ 2026-03-27 18:37:28
○NSns2.netregistry.net2017-02-18 → 2017-02-18 · 4 obs
● 2017-02-18 17:16:02
○ 2020-02-09 17:29:50
○ 2026-03-27 18:37:28
○NSns3.netregistry.net2017-02-18 → 2017-02-18 · 4 obs
● 2017-02-18 17:16:02
○ 2020-02-09 17:29:50
○ 2026-03-27 18:37:28
●NSns31.domaincontrol.com2026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:55:36
● 2026-03-27 18:37:28
●NSns32.domaincontrol.com2026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:55:36
● 2026-03-27 18:37:28
●MX21bos-com.mail.protection.outlook.com2026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:55:36
● 2026-03-27 18:37:28
○MXsmtp.smartyhost.com.au2015-06-27 → 2016-06-21 · 4 obs
● 2016-06-21 02:45:32
○ 2017-02-18 17:16:02
○ 2026-03-27 18:37:28
○A117.104.160.1342015-06-27 → 2016-06-21 · 4 obs
● 2016-06-21 02:45:32
○ 2017-02-18 17:16:02
○ 2026-03-27 18:37:28
●A13.248.243.52026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:55:36
● 2026-03-27 18:37:28
●A76.223.105.2302026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:55:36
● 2026-03-27 18:37:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| 21bos.com | ns31.domaincontrol.com, ns32.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.73.16
NS records: ns31.domaincontrol.com, ns32.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21bos.com (unsigned zone)
⏱️ Timing
Total: 183ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns31.domaincontrol.com, ns32.domaincontrol.com |
| MX | 1 | 21bos-com.mail.protection.outlook.com (p |
| TXT | 2 | NETORG19602533.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns31.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns31.domaincontrol.com, ns31.domaincontrol.com, ns32.domaincontrol.com...)
Analysis
IP Addresses
21bos.com points to two IP numbers: 13.248.243.5 and 76.223.105.230.
Other host names such as princetonrecruitinginc.com, 3layersdeep.com, adagionyc.com, cupold-logi.godaddysites.com and tubatrucks.com share IP numbers with 21bos.com.
Name Servers
21bos.com is delegated to two name servers: ns31.domaincontrol.com and ns32.domaincontrol.com.
21bos.com uses the same name server setup as other domains, including kaadehospital.com, idatalinkmaestro.com, 4thdenergy.com, acantha.com and vikingtickets.com.
21bos.com shares some name servers with other domains, for example masters-hackers.info.
Host names with two IP numbers:
ns31.domaincontrol.com points to 2603:5:2191::10 and 97.74.105.16.
ns32.domaincontrol.com points to 2603:5:2291::10 and 173.201.73.16.
Mail Servers
The mail server for 21bos.com is 21bos-com.mail.protection.outlook.com.
21bos-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c92c::2, 2a01:111:f403:f901::2, 2a01:111:f403:f907::1, 2a01:111:f403:f910::, 52.101.41.3, 52.101.50.4, 52.101.50.13 and 52.101.194.15.