🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`resolver5.stools.ctmail.com`

CNAME	`resolver.1.geo.ctmail.com`
CNAME	`globalasres.data443.ai`
DNSSEC	⚠️ Not signed
A	216.163.190.11^{🇺🇸 TierPoint216.163.190.0/24 Data443}
		PTR	`host-216-163-190-11.data443.io`

`stools.ctmail.com`

DNSSEC

⚠️ Not signed

Previous names

Next names

DNS History

4 records (1 active, 3 former)

○NSns1.ctmail.com2017-01-02 → 2017-01-02 · 3 obs

● 2017-01-02 22:49:40
○ 2026-07-12 06:40:12
○ 2026-10-18 04:49:02

○A216.163.188.452017-01-02 → 2017-01-02 · 3 obs

● 2017-01-02 22:49:40
○ 2026-07-12 06:40:12
○ 2026-10-18 04:49:02

●CNAMEresolver.1.geo.ctmail.com2026-10-15 → 2026-10-18 · 3 obs

○ 2017-01-02 22:49:40
● 2026-10-15 21:36:06
● 2026-10-18 04:49:02

○CNAMEresolver.5.geo.ctmail.com2017-01-02 → 2017-01-02 · 3 obs

● 2017-01-02 22:49:40
○ 2026-10-15 21:36:06
○ 2026-10-18 04:49:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...	-
ctmail.com	dns51.cloudns.net, dns52.cloudns.net, dns53.cloudns.net, dns54.cloudns.net	-

✅ Authoritative Response

Server:185.136.98.15

NS records: dns51.cloudns.net, dns52.cloudns.net, dns53.cloudns.net, dns54.cloudns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctmail.com (unsigned zone)

⏱️ Timing

Total: 366ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`resolver.1.geo.ctmail.com`

Analysis

IP Addresses

resolver5.stools.ctmail.com has exactly one IP address — 216.163.190.11.

globalasres.data443.ai, for instance, is one of the other host names sharing IP numbers with resolver5.stools.ctmail.com.

resolver5.stools.ctmail.com - robtex.com