`mail.firstenviro.com`

CNAME	`mail.stackmail.com`
DNSSEC	⚠️ Not signed
A	185.151.28.68^{🇬🇧 TWENTYI185.151.28.0/24}
		PTR	`smtp.stackmail.com`
A	185.151.28.84^{🇬🇧 TWENTYI185.151.28.0/24}
A	185.151.28.85^{🇬🇧 TWENTYI185.151.28.0/24}

`firstenviro.com`

	DNSSEC	⚠️ Not signed
	A	2a07:7800::176^{🇬🇧 TWENTYI2a07:7800::/48}
	A	185.151.30.176^{🇬🇧 TWENTYI185.151.30.0/24}
	NS	`ns1.stackdns.com` ⭐
	NS	`ns2.stackdns.com`
	NS	`ns3.stackdns.com`
	NS	`ns4.stackdns.com`
	MX	`mx.stackmail.com` ⭐
	TXT	`v=spf1 include:spf.stackmail.com a mx -all`
	SOA	`ns1.stackdns.com`hostmaster@stackdns.com serial=1684145795

Previously MX for

firstenviro.com

mail.firstenviro.com

Same first word

mail.123hjemmeside.no

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mail.edu.tw

mail.gov.rs

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mail.be

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mail.how

mail.com.ug

mail.in-brb.de

mail.ro

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mail.neustar

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DNS History

6 records (1 active, 5 former)

○NSns51.domaincontrol.com2015-11-29 → 2016-03-06 · 4 obs

● 2015-11-29 22:54:46
● 2016-03-06 23:07:46
○ 2026-04-10 16:11:34
○ 2026-08-07 01:26:24

○NSns52.domaincontrol.com2015-11-29 → 2016-03-06 · 4 obs

● 2015-11-29 22:54:46
● 2016-03-06 23:07:46
○ 2026-04-10 16:11:34
○ 2026-08-07 01:26:24

○MXmail.firstenviro.com2015-11-29 → 2016-03-06 · 4 obs

● 2015-11-29 22:54:46
● 2016-03-06 23:07:46
○ 2026-04-10 16:11:34
○ 2026-08-07 01:26:24

○A192.186.215.992015-08-08 → 2016-03-06 · 4 obs

● 2015-08-08 06:55:10
● 2016-03-06 23:07:46
○ 2026-04-10 16:11:34
○ 2026-08-07 01:26:24

○CNAMEfirstenviro.com2015-08-08 → 2016-03-06 · 4 obs

● 2015-08-08 06:55:10
● 2016-03-06 23:07:46
○ 2026-04-10 16:11:34
○ 2026-08-07 01:26:24

●CNAMEmail.stackmail.com2026-04-10 → 2026-08-07 · 3 obs

○ 2016-03-06 23:07:46
● 2026-04-10 16:11:34
● 2026-08-07 01:26:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
firstenviro.com	ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com	4 records

✅ Authoritative Response

Server:104.196.137.209

NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstenviro.com (unsigned zone)

⏱️ Timing

Total: 227ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.stackmail.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com...)

Analysis

IP Addresses

The hostname mail.firstenviro.com resolves to three IP addresses: 185.151.28.68, 185.151.28.84 and 185.151.28.85.

Among the host names that share IP numbers with mail.firstenviro.com are 185-151-28-84.ptr4.stackcp.net, mail.stackmail.com, 185-151-28-85.ptr4.stackcp.net and two others.

mail.firstenviro.com - robtex.com