21stcastle.com - robtex.com
21stcastle.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=1778765891 | ||||||
Same first word
21stcastle.com |
DNS History
8 records (5 active, 3 former)
○NSns27.domaincontrol.com2016-07-17 → 2017-03-23 · 3 obs
● 2017-03-23 22:58:48
○ 2026-05-14 13:59:36
○NSns28.domaincontrol.com2016-07-17 → 2017-03-23 · 3 obs
● 2017-03-23 22:58:48
○ 2026-05-14 13:59:36
●NSns51.domaincontrol.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 13:59:36
●NSns52.domaincontrol.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 13:59:36
●MXmailstore1.secureserver.net2016-07-17 → 2026-05-14 · 2 obs
● 2026-05-14 13:59:36
●MXsmtp.secureserver.net2016-07-17 → 2026-05-14 · 2 obs
● 2026-05-14 13:59:36
●A118.139.182.932026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 13:59:36
○A184.168.221.512016-07-17 → 2017-03-23 · 3 obs
● 2017-03-23 22:58:48
○ 2026-05-14 13:59:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 21stcastle.com | ns51.domaincontrol.com, ns52.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.105.26
NS records: ns51.domaincontrol.com, ns52.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21stcastle.com (unsigned zone)
⏱️ Timing
Total: 175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 118.139.182.93 |
| NS | 2 | ns51.domaincontrol.com, ns52.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| TXT | 1 | v=spf1 include:secureserver.net -all |
| SOA | 1 | ns51.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)
Analysis
IP Addresses
21stcastle.com resolves to a single IP address: 118.139.182.93.
Other host names including rkfoodland.net, augmente.com, csps.org.bn, mail.pencilark.com and anandagroup.info share IP numbers with 21stcastle.com.
Name Servers
21stcastle.com's delegation uses two name servers, ns51.domaincontrol.com and ns52.domaincontrol.com.
21stcastle.com shares the same name server setup as other domains, for example hideawayflorida.com, foogo.com, gregphipps.com, billyscandies.com and 45to55.com.
21stcastle.com at least partially shares name servers with other domains; for instance suzana.me.
Host names with two IPs:
ns51.domaincontrol.com points to: 2603:5:2192::1a and 97.74.105.26
ns52.domaincontrol.com points to: 2603:5:2292::1a and 173.201.73.26
Mail Servers
21stcastle.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
21stcastle.com shares its mail server setup with other domains, including rfido.com, cyrusborg.com, jonstoddard.com, novembeard.org and vusouthcarolina.com.
21stcastle.com shares some mail servers with other domains, at least partially, for instance lunarchic.com.
Host names with three IPs:
mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162
smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113