mail.kuefferdevs.ch - dns.ninja

`mail.kuefferdevs.ch`

DNSSEC	⚠️ Not signed
A	38.242.200.100^{🇩🇪 CONTABO38.242.192.0/19 Route Registered for Cogent Communications Customer - Contabo GmbH}
		PTR	`vmi1333330.contaboserver.net`

`kuefferdevs.ch`

	DNSSEC	🔒 Signed (DS record present)
	A	38.242.200.100^{🇩🇪 CONTABO38.242.192.0/19 Route Registered for Cogent Communications Customer - Contabo GmbH}
	NS	`jean.ns.cloudflare.com` ⭐
	NS	`merlin.ns.cloudflare.com`
	MX	`mail.kuefferdevs.ch` ⭐
	TXT	`v=spf1 ip4:38.242.200.100 -all`
	SOA	`jean.ns.cloudflare.com`dns@cloudflare.com serial=2411100344

MX for

kuefferdevs.ch

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DNS History

1 record (1 active, 0 former)

●A38.242.200.1002026-04-07 → 2026-08-14 · 2 obs

● 2026-04-07 09:49:00
● 2026-08-14 08:27:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
kuefferdevs.ch	jean.ns.cloudflare.com, merlin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.121

NS records: jean.ns.cloudflare.com, merlin.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 739ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.242.200.100`

Analysis

Mail Server Role

Mail for kuefferdevs.ch is routed through the mail server mail.kuefferdevs.ch.

IP Addresses

mail.kuefferdevs.ch has exactly one IP address — 38.242.200.100.

Other host names, among them kuefferdevs.ch and vmi1333330.contaboserver.net, have IP numbers in common with mail.kuefferdevs.ch.