WWW.RTSAK.COM - c21mail.com
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c21mail.com checked at 2025-10-18T17:59:15.405Z 326ms 80/80/80 100% R:12c21mail.com
| MX | failover1.email-cluster.com | ||||||
| A | 109.237.25.170🇬🇧 Linode AS63949 | ||||||
| PTR | failover1.email-cluster.com | ||||||
| MX | mx1.email-cluster.com | ||||||
| A | 62.182.17.201🇬🇧 Sub 6 | ||||||
| PTR | mx20.email-cluster.com | ||||||
| A | 62.182.17.202🇬🇧 Sub 6 | ||||||
| PTR | mx21.email-cluster.com | ||||||
| MX | mx2.email-cluster.com | ||||||
| A | 62.182.17.203🇬🇧 Sub 6 | ||||||
| PTR | mx22.email-cluster.com | ||||||
| A | 62.182.17.204🇬🇧 Sub 6 | ||||||
| PTR | mx23.email-cluster.com | ||||||
| NS | ns1.up4the.net | ||||||
| A | 162.159.27.59 Cloudflare | ||||||
| NS | ns2.up4the.net | ||||||
| A | 185.41.8.50🇬🇧 Sub 6 | ||||||
| PTR | dns.us-noc.com | ||||||
| A | 62.182.19.114🇬🇧 Sub 6 | ||||||
com
Starts with same word
c21mail.com |
Starts similarily
AI analysis
c21mail.com resolves to one IP number: 62.182.19.114.
other host names including ventds.com, up4the.net, countryclassicsdelph.co.uk, gmcc.org.uk and feron.co.uk share IP numbers with c21mail.com.
c21mail.com is delegated to two name servers ns1.up4the.net and ns2.up4the.net.
c21mail.com uses the same name server setup as other domains such as feron.co.uk, ventds.com, countryclassicsdelph.co.uk and gmcc.org.uk.
Host names with one IP number:
ns1.up4the.net points to 162.159.27.59
ns2.up4the.net points to 185.41.8.50
c21mail.com is handled by three mail servers: failover1.email-cluster.com, mx1.email-cluster.com and mx2.email-cluster.com.
c21mail.com shares some mail servers with other domains, at least partially, for instance lbhoutpatients.com, spareroomarts.co.uk, courtnav.org.uk, risktolive.com and mmtech.it.
Hosts with two IP numbers:
mx1.email-cluster.com points to: 62.182.17.201 and 62.182.17.202.
mx2.email-cluster.com points to: 62.182.17.203 and 62.182.17.204.
Hosts with one IP number:
failover1.email-cluster.com points to: 109.237.25.170.