21stcr.org - robtex.com
21stcr.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785465455 | ||||||
Same first word
21stcr.org |
DNS History
9 records (4 active, 5 former)
●NSns61.domaincontrol.com2015-08-19 → 2026-07-31 · 2 obs
● 2026-07-31 02:52:36
●NSns62.domaincontrol.com2015-08-19 → 2026-07-31 · 2 obs
● 2026-07-31 02:52:36
●MX21stcr-org.mail.protection.outlook.com2026-06-05 → 2026-07-31 · 3 obs
● 2026-06-05 15:48:18
● 2026-07-31 02:52:36
○MXmailstore1.secureserver.net2015-08-19 → 2020-01-19 · 4 obs
● 2020-01-19 17:44:24
○ 2026-06-05 15:48:18
○ 2026-07-31 02:52:36
○MXsmtp.secureserver.net2015-08-19 → 2020-01-19 · 4 obs
● 2020-01-19 17:44:24
○ 2026-06-05 15:48:18
○ 2026-07-31 02:52:36
○A107.180.41.852015-12-11 → 2017-03-23 · 5 obs
● 2015-12-11 02:08:40
● 2017-03-23 14:10:28
○ 2020-01-19 17:44:24
○ 2026-07-31 02:52:36
●A192.124.249.1372026-06-05 → 2026-07-31 · 3 obs
● 2026-06-05 15:48:18
● 2026-07-31 02:52:36
○A192.124.249.702020-01-19 → 2020-01-19 · 4 obs
● 2020-01-19 17:44:24
○ 2026-06-05 15:48:18
○ 2026-07-31 02:52:36
○A72.167.232.352015-08-19 → 2015-08-19 · 3 obs
○ 2015-12-11 02:08:40
○ 2026-07-31 02:52:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| 21stcr.org | ns62.domaincontrol.com, ns61.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.101.32
NS records: ns62.domaincontrol.com, ns61.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21stcr.org (unsigned zone)
⏱️ Timing
Total: 366ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.124.249.137 |
| NS | 2 | ns61.domaincontrol.com, ns62.domaincontrol.com |
| MX | 1 | 21stcr-org.mail.protection.outlook.com ( |
| TXT | 5 | google-site-verification=uFwtDmxnCtnASEu, googlec3ffbeeeaf256db1... |
| SOA | 1 | ns61.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
21stcr.org has exactly one IP address — 192.124.249.137.
abusidramall.com, jeffvanek.com, sibalogtv.com plus two other host names have IP numbers in common with 21stcr.org.
Name Servers
DNS delegation for 21stcr.org points to two name servers: ns61.domaincontrol.com and ns62.domaincontrol.com.
The name server configuration of 21stcr.org is shared with other domains, for instance geekmart.com, cortada.info, ridmar.com and two others.
21stcr.org has partial name server overlap with other domains, including activeriver.com.
ns61.domaincontrol.com directs to 97.74.101.32 and 2603:5:2153::20. ns62.domaincontrol.com directs to 173.201.69.32 and 2603:5:2253::20. Each host name carries two IP addresses.
Mail Servers
21stcr.org uses one mail server — 21stcr-org.mail.protection.outlook.com.
21stcr-org.mail.protection.outlook.com has 8 IP addresses: 40.93.192.1, 52.101.11.19, 52.101.41.4 plus 5 more.