mail.440code.com - dns.ninja

`mail.440code.com`

CNAME	`440code.com`
DNSSEC	⚠️ Not signed
A	138.197.50.155^{🇺🇸 DIGITALOCEAN138.197.48.0/22 DigitalOcean}
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=9164609a5a4580566d9acff1bcd5b6bfbf4982cd`
TXT	`v=spf1 include:_spf.protonmail.ch mx ~all`
SOA	`ns1.digitalocean.com`hostmaster@440code.com serial=0

`440code.com`

	DNSSEC	⚠️ Not signed
	A	138.197.50.155^{🇺🇸 DIGITALOCEAN138.197.48.0/22 DigitalOcean}
	NS	`ns1.digitalocean.com` ⭐
	NS	`ns2.digitalocean.com`
	NS	`ns3.digitalocean.com`
	MX	`mail.protonmail.ch` ⭐
	MX	`mailsec.protonmail.ch`⁽²⁰⁾
	TXT	`protonmail-verification=9164609a5a4580566d9acff1bcd5b6bfbf4982cd`
	TXT	`v=spf1 include:_spf.protonmail.ch mx ~all`
	SOA	`ns1.digitalocean.com`hostmaster@440code.com serial=0

Previously MX for

440code.com

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DNS History

2 records (1 active, 1 former)

○A88.86.103.1752015-07-01 → 2016-04-30 · 4 obs

● 2015-07-01 17:40:44
● 2016-04-30 13:32:38
○ 2026-06-06 20:40:14
○ 2026-06-06 20:40:18

●CNAME440code.com2026-06-06 → 2026-06-06 · 2 obs

● 2026-06-06 20:40:14
● 2026-06-06 20:40:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
440code.com	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	3 records

✅ Authoritative Response

Server:172.64.53.21

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 440code.com (unsigned zone)

⏱️ Timing

Total: 305ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`440code.com`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

IP Addresses

mail.440code.com has exactly one IP address — 138.197.50.155.

Among others, gcode.co, 440code.com, gcode.us and gmb.info resolve to the same IP numbers as mail.440code.com.

Name Servers

The authoritative name servers for mail.440code.com are ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com — three in total.

mail.440code.com shares at least some of its name servers with other domains, including hell.org.pl, electbriannash.com, startsoft.com.br and two others.

ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com all resolve to exactly two IP numbers apiece: ns1.digitalocean.com → 172.64.52.210 and 2606:4700:52::ac40:34d2; ns2.digitalocean.com → 172.64.53.21 and 2606:4700:5a::ac40:3515; ns3.digitalocean.com → 172.64.49.209 and 2606:4700:52::ac40:31d1.

Mail Servers

mail.440code.com uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

The mail server setup of mail.440code.com matches that of other domains such as x12q.com, llyxx.me, adriangrell.com and two others.

At least some of the mail servers used by mail.440code.com are shared with other domains: weissbart.eu, mikusch.at, baye.com and two others among them.

mail.protonmail.ch and mailsec.protonmail.ch each resolve to three IP addresses. mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.