`mx1.crisou.com`

DNSSEC	⚠️ Not signed
A	2a01:4f8:222:2b49:5498:d60a:e248:3219^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`mx1.checkdomain.de`
A	88.198.20.145^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}

`crisou.com`

	DNSSEC	⚠️ Not signed
	A	2a01:4f8:221:11cd:9734:4c26:6044:5f33^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	88.99.101.251^{🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC}
	NS	`ns2.checkdomain.de` ⭐
	NS	`ns.checkdomain.de`
	MX	`mx1.crisou.com` ⭐
	MX	`mx3.crisou.com`⁽²⁰⁾
	MX	`mx2.crisou.com`⁽³⁰⁾
	SOA	`ns.checkdomain.de`hostmaster@checkdomain.de 2018-09-10 #1

MX for

crisou.com

Same first word

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DNS History

2 records (2 active, 0 former)

●A2a01:4f8:222:2b49:5498:d60a:e248:32192026-02-20 → 2026-03-27 · 2 obs

● 2026-02-20 06:16:14
● 2026-03-27 03:03:46

●A88.198.20.1452026-02-20 → 2026-03-27 · 2 obs

● 2026-02-20 06:16:14
● 2026-03-27 03:03:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
crisou.com	ns.checkdomain.de, ns2.checkdomain.de	-

✅ Authoritative Response

Server:109.237.143.11

NS records: ns.checkdomain.de, ns2.checkdomain.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crisou.com (unsigned zone)

⏱️ Timing

Total: 800ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.198.20.145`
AAAA	1	`2a01:4f8:222:2b49:5498:d60a:e248:3219`

Analysis

Mail Server Role

mx1.crisou.com is the mail server for crisou.com.

Mail servers mx2.crisou.com and mx3.crisou.com are commonly used with mx1.crisou.com.

IP Addresses

mx1.crisou.com resolves to two IPs: 2a01:4f8:222:2b49:5498:d60a:e248:3219 and 88.198.20.145.

other host names for instance mx1.simphy.de, mx1.twine.at, mx1.nomos-glashuette.fr, mx1.nicgate.com and mx1.ollisoft.com share IP numbers with mx1.crisou.com.

mx1.crisou.com - robtex.com

mx1.crisou.com

crisou.com