`mail.c4sam.com`

DNSSEC	⚠️ Not signed
A	81.19.149.86^{🇦🇹 IONOS-AS81.19.144.0/20 World4You.com}
		PTR	`mail31.world4you.com`

`c4sam.com`

	DNSSEC	⚠️ Not signed
	A	216.198.79.1^{🇺🇸 Amazon216.198.79.0/24 EC2 Prefix}
	NS	`hydrogen.ns.hetzner.com` ⭐
	NS	`helium.ns.hetzner.de`
	NS	`oxygen.ns.hetzner.com`
	MX	`c4sam-com.mail.protection.outlook.com` ⭐
	MX	`mail.c4sam.com`⁽²⁰⁾
	TXT	`atlassian-sending-domain-verification=d0e8e27f-a48f-4971-a530-af13b3453e46`
	TXT	`google-site-verification=JS-wNd_D3IhUlUjz12dgo1Dh6jVTpI0MZvRfcbIJw1M`
	TXT	`v=spf1 a ip4:52.50.73.38 ip4:81.19.145.23 ip4:81.19.149.126 ip4:95.217.83.228...`
	TXT	`MS=ms71198678`
	TXT	`apple-domain-verification=01zL6up1TmSe4L35`
	TXT	`atlassian-domain-verification=51/5Ff6rYDjFDyNpQdZbdOrIwEZjqX8HykU4u9dwQ/aZIkQ...`
	SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-03-21 #3

MX for

c4sam.com

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DNS History

1 record (1 active, 0 former)

●A81.19.149.862018-12-02 → 2026-03-27 · 2 obs

● 2018-12-02 22:17:58
● 2026-03-27 17:00:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
c4sam.com	helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com	2 records

✅ Authoritative Response

Server:193.47.99.5

NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c4sam.com (unsigned zone)

⏱️ Timing

Total: 608ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.19.149.86`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com)

Analysis

Mail Server Role

mail.c4sam.com is the mail server for c4sam.com.

With mail.c4sam.com, c4sam-com.mail.protection.outlook.com is commonly used as a mail server.

IP Addresses

mail.c4sam.com maps to IP address 81.19.149.86.

Other host names, for instance mail.arcon.co.at, mail.schwulejugend.de, mail.dr-froehlich.at, mail.evanet.eu and mail.spoe-klagenfurt.at share IP numbers with mail.c4sam.com.

mail.c4sam.com - robtex.com

mail.c4sam.com

c4sam.com