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
○ 2026-08-02 01:31:30

●CNAME440code.com2026-06-06 → 2026-08-02 · 2 obs

● 2026-06-06 20:40:14
● 2026-08-02 01:31:30

🔍 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:172.64.49.209

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: 374ms | 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, istanbul-pools.com 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 tailoredpay.com, x12q.com, fal-networks.com and two others.

At least some of the mail servers used by mail.440code.com are shared with other domains: mikusch.at, baye.com, alghaslan.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.