🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`resolver4.sendm.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`

`sendm.ctmail.com`

DNSSEC

⚠️ Not signed

Same first word

resolver4.west1-us.cloudjiffy.net

resolver4.workers.dev

resolver4.net.ph

Previous names

Next names

DNS History

8 records (1 active, 7 former)

○NSns1.ctmail.com2015-10-07 → 2016-12-01 · 4 obs

● 2015-10-07 15:31:02
● 2016-12-01 10:33:42
○ 2026-03-13 18:12:40
○ 2026-10-17 14:59:40

○A103.243.111.2102015-06-09 → 2015-10-07 · 4 obs

● 2015-06-09 15:36:18
● 2015-10-07 15:31:02
○ 2026-03-13 18:12:40
○ 2026-10-17 14:59:40

○A216.163.188.452015-06-09 → 2015-10-07 · 4 obs

● 2015-06-09 15:36:18
● 2015-10-07 15:31:02
○ 2026-03-13 18:12:40
○ 2026-10-17 14:59:40

○A38.113.116.2102015-06-09 → 2016-09-30 · 7 obs

● 2015-06-09 15:36:18
● 2016-03-14 10:01:38
○ 2016-03-23 15:04:30
○ 2016-09-25 13:55:16
● 2016-09-30 11:04:46
○ 2016-12-01 10:33:42
○ 2026-10-17 14:59:40

○A84.39.152.312015-06-09 → 2015-10-07 · 4 obs

● 2015-06-09 15:36:18
● 2015-10-07 15:31:02
○ 2026-03-13 18:12:40
○ 2026-10-17 14:59:40

○A84.39.153.312015-06-09 → 2016-12-01 · 9 obs

● 2015-06-09 15:36:18
● 2015-10-07 15:31:02
○ 2016-03-14 10:01:38
● 2016-03-23 15:04:30
● 2016-09-25 13:55:16
○ 2016-09-30 11:04:46
● 2016-12-01 10:33:42
○ 2026-03-13 18:12:40
○ 2026-10-17 14:59:40

●CNAMEresolver.1.geo.ctmail.com2026-10-16 → 2026-10-17 · 3 obs

○ 2026-03-18 08:32:38
● 2026-10-16 04:10:36
● 2026-10-17 14:59:40

○CNAMEresolver.4.geo.ctmail.com2015-06-09 → 2026-03-18 · 4 obs

● 2015-06-09 15:36:18
● 2026-03-18 08:32:38
○ 2026-10-16 04:10:36
○ 2026-10-17 14:59:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 432ms | Queries: -

📄 Records

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

Analysis

IP Addresses

resolver4.sendm.ctmail.com resolves to just one IP address, 216.163.190.11.

Host names like globalasres.data443.ai are further examples that share IP numbers with resolver4.sendm.ctmail.com.

resolver4.sendm.ctmail.com - robtex.com