21stcg.com - robtex.com
21stcg.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=1775977587 | ||||||
Previously MX for
21stcg.com |
Same first word
21stcg.com |
DNS History
6 records (2 active, 4 former)
●NSdns1.cscdns.net2026-03-18 → 2026-04-12 · 3 obs
○ 2015-10-16 07:58:58
● 2026-03-18 12:27:20
● 2026-04-12 07:11:26
● 2026-03-18 12:27:20
● 2026-04-12 07:11:26
●NSdns2.cscdns.net2026-03-18 → 2026-04-12 · 3 obs
○ 2015-10-16 07:58:58
● 2026-03-18 12:27:20
● 2026-04-12 07:11:26
● 2026-03-18 12:27:20
● 2026-04-12 07:11:26
○NSns1.lunarservers.com2008-11-09 → 2008-11-09 · 3 obs
● 2008-11-09 19:12:12
○ 2015-10-16 07:58:58
○ 2026-04-12 07:11:26
○ 2015-10-16 07:58:58
○ 2026-04-12 07:11:26
○NSns2.lunarservers.com2008-11-09 → 2008-11-09 · 3 obs
● 2008-11-09 19:12:12
○ 2015-10-16 07:58:58
○ 2026-04-12 07:11:26
○ 2015-10-16 07:58:58
○ 2026-04-12 07:11:26
○MX21stcg.com2008-11-09 → 2008-11-09 · 3 obs
● 2008-11-09 19:12:12
○ 2015-10-16 07:58:58
○ 2026-04-12 07:11:26
○ 2015-10-16 07:58:58
○ 2026-04-12 07:11:26
○A74.50.0.1952008-11-09 → 2008-11-09 · 3 obs
● 2008-11-09 19:12:12
○ 2015-10-16 07:58:58
○ 2026-04-12 07:11:26
○ 2015-10-16 07:58:58
○ 2026-04-12 07:11:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| 21stcg.com | dns1.cscdns.net, dns2.cscdns.net | - |
✅ Authoritative Response
Server:156.154.131.100
NS records: dns1.cscdns.net, dns2.cscdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21stcg.com (unsigned zone)
⏱️ Timing
Total: 80ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.cscdns.net, dns2.cscdns.net |
| SOA | 1 | dns1.cscdns.net hostmaster.cscdns.net |
Analysis
Name Servers
Two name servers dns1.cscdns.net and dns2.cscdns.net are delegated to 21stcg.com.
21stcg.com uses the same name server configuration as other domains, such as rsagroup.com.pt, dmax-ltd.com, superstoc.com, black-circles.com and goldmansachsbanking.com.
21stcg.com at least partially shares name servers with other domains, including qundis.dk, bankamericaquote.com and natixis.gr.
Host names with two IPs:
dns1.cscdns.net points to 2610:a1:1022::100 and 156.154.130.100.
dns2.cscdns.net points to 2610:a1:1023::100 and 156.154.131.100.