c21advant.com - robtex.com
c21advant.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=1784179177 | ||||||
Subdomains
mail.c21advant.com |
Same first word
c21advant.com |
DNS History
14 records (9 active, 5 former)
●NSns49.domaincontrol.com2016-12-15 → 2026-07-16 · 2 obs
● 2026-07-16 05:30:54
●NSns50.domaincontrol.com2016-12-15 → 2026-07-16 · 2 obs
● 2026-07-16 05:30:54
●MXalt1.aspmx.l.google.com2026-04-02 → 2026-07-16 · 3 obs
● 2026-04-02 20:48:32
● 2026-07-16 05:30:54
●MXalt2.aspmx.l.google.com2026-04-02 → 2026-07-16 · 3 obs
● 2026-04-02 20:48:32
● 2026-07-16 05:30:54
●MXaspmx.l.google.com2026-04-02 → 2026-07-16 · 3 obs
● 2026-04-02 20:48:32
● 2026-07-16 05:30:54
●MXaspmx2.googlemail.com2026-04-02 → 2026-07-16 · 3 obs
● 2026-04-02 20:48:32
● 2026-07-16 05:30:54
●MXaspmx3.googlemail.com2026-04-02 → 2026-07-16 · 3 obs
● 2026-04-02 20:48:32
● 2026-07-16 05:30:54
○MXc21advant.com.c2.mx1.ik2.com2016-12-15 → 2016-12-15 · 3 obs
○ 2017-12-11 15:57:54
○ 2026-07-16 05:30:54
○MXc21advant.com.c2.mx2.ik2.io2016-12-15 → 2016-12-15 · 3 obs
○ 2017-12-11 15:57:54
○ 2026-07-16 05:30:54
○MXc21advant.com.c2.mx3.ik2.eu2016-12-15 → 2016-12-15 · 3 obs
○ 2017-12-11 15:57:54
○ 2026-07-16 05:30:54
○MXmail.c21advant.com2017-12-11 → 2017-12-11 · 4 obs
● 2017-12-11 15:57:54
○ 2026-04-02 20:48:32
○ 2026-07-16 05:30:54
●A15.197.225.1282026-04-02 → 2026-07-16 · 3 obs
● 2026-04-02 20:48:32
● 2026-07-16 05:30:54
●A3.33.251.1682026-04-02 → 2026-07-16 · 3 obs
● 2026-04-02 20:48:32
● 2026-07-16 05:30:54
○A50.63.202.192016-12-15 → 2017-12-11 · 4 obs
● 2017-12-11 15:57:54
○ 2026-04-02 20:48:32
○ 2026-07-16 05:30:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| c21advant.com | ns49.domaincontrol.com, ns50.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.72.25
NS records: ns49.domaincontrol.com, ns50.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c21advant.com (unsigned zone)
⏱️ Timing
Total: 145ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns50.domaincontrol.com, ns49.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | google-site-verification=HmOpIBVHz3zuy1n, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns49.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns49.domaincontrol.com, ns49.domaincontrol.com, ns50.domaincontrol.com...)
Analysis
Hierarchy
c21advant.com serves as the parent of mail.c21advant.com.
IP Addresses
c21advant.com directs to two IP numbers, 3.33.251.168 and 15.197.225.128
erces.com, cas10.com, sourcingwine.com plus two other host names have IP numbers in common with c21advant.com.
Name Servers
Two name servers handle the delegation for c21advant.com: ns49.domaincontrol.com and ns50.domaincontrol.com.
The name server configuration of c21advant.com is shared with other domains, for instance michaellekas.com, plexjobs.com, solplaya.ca and two others.
c21advant.com is at least partially co-delegated on name servers with other domains, such as webhostingserv.com.
ns49.domaincontrol.com and ns50.domaincontrol.com both carry two IP addresses. The A records for ns49.domaincontrol.com are 97.74.104.25 and 2603:5:2182::19; the A records for ns50.domaincontrol.com are 173.201.72.25 and 2603:5:2282::19.
Mail Servers
Mail for c21advant.com is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
At least some of the mail servers used by c21advant.com are shared with other domains: suro.be, ns500759.ns500758.ns500698.ns500698.ns500736.ns500698.ns500576.ns500708.ns500698.ns500698.ns500619.ns500619.ns500652.ns500576.trackreceptor.com, uniraya.ac.id and two others among them.
These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx2.googlemail.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com resolves to two addresses: 172.253.63.26 and 2607:f8b0:4004:c21::1a.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.