`concretetesting.net.emailmx.com`

DNSSEC	⚠️ Not signed
NS	`ns1.mdnsservice.com` ⭐ ⚠️ Not in parent delegation
		A	2604:4000:0:d:216:40:47:18^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns1.mdnsservice.com`
		A	216.40.47.18^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.mdnsservice.com`
NS	`ns2.mdnsservice.com` ⚠️ Not in parent delegation
		A	2604:4000:2800:d:64:99:148:11^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`ns2.mdnsservice.com`
		A	64.98.148.11^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.mdnsservice.com`
NS	`ns3.mdnsservice.com` ⚠️ Not in parent delegation
		A	2604:4000:0:d:64:99:96:34^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns3.mdnsservice.com`
		A	64.99.96.34^{🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2}
			PTR	`ns3.mdnsservice.com`
SOA	`ns1.mdnsservice.com`hostmaster@mdnsservice.com serial=0

`net.emailmx.com`

DNSSEC

⚠️ Not signed

Subdomains

inbound.concretetesting.net.emailmx.com

Same first word

concretetesting.net

DNS History

3 records (3 active, 0 former)

●NSns1.mdnsservice.com1970-01-01 → 2026-05-14 · 2 obs

● 1970-01-01 00:00:00
● 2026-05-14 05:17:56

●NSns2.mdnsservice.com1970-01-01 → 2026-05-14 · 2 obs

● 1970-01-01 00:00:00
● 2026-05-14 05:17:56

●NSns3.mdnsservice.com1970-01-01 → 2026-05-14 · 2 obs

● 1970-01-01 00:00:00
● 2026-05-14 05:17:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
emailmx.com	ns1.mdnsservice.com, ns2.mdnsservice.com, ns3.mdnsservice.com	-

✅ Authoritative Response

Server:216.40.47.18

NS records: ns1.mdnsservice.com, ns2.mdnsservice.com, ns3.mdnsservice.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for emailmx.com (unsigned zone)

⏱️ Timing

Total: 270ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.mdnsservice.com, ns3.mdnsservice.com...`
SOA	1	`ns1.mdnsservice.com hostmaster.mdnsservi`

Analysis

Hierarchy

concretetesting.net.emailmx.com is the parent of inbound.concretetesting.net.emailmx.com.

Name Servers

concretetesting.net.emailmx.com delegates to three name servers: ns1.mdnsservice.com, ns2.mdnsservice.com and ns3.mdnsservice.com.

concretetesting.net.emailmx.com shares some name servers with other domains, for example powerfullearning.net.emailmx.com, hoseki-clocks.com.emailmx.com, thecateredaffair.net.emailmx.com, yeseniaferrari.com.emailmx.com and thecooks.com.

These name servers are commonly used together with ns1.mailbank.com and ns2.mailbank.com.

Host names with two IP numbers:

ns1.mdnsservice.com: 2604:4000:0:d:216:40:47:18 and 216.40.47.18

ns2.mdnsservice.com: 2604:4000:2800:d:64:99:148:11 and 64.98.148.11

ns3.mdnsservice.com: 2604:4000:0:d:64:99:96:34 and 64.99.96.34

concretetesting.net.emailmx.com - robtex.com