`mailin2.cssf.cz`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2101:45:13:137:7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
		PTR	`m1-u5-mx.websupport.sk`
A	45.13.137.8^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}

`cssf.cz`

	DNSSEC	🔒 Signed (DS record present)
	A	185.184.254.10^{🇪🇸 SHOPTET185.184.254.0/24}
	A	185.184.254.11^{🇪🇸 SHOPTET185.184.254.0/24}
	NS	`ns1.websupport.cz` ⭐
	NS	`ns2.websupport.cz`
	NS	`ns3.websupport.eu`
	MX	`mailin1.cssf.cz` ⭐
	MX	`mailin2.cssf.cz`⁽¹⁰⁰⁾
	TXT	`v=spf1 include:spf.active24.com include:_spf.m1.websupport.sk ~all`
	SOA	`ns1.websupport.cz`admin@websupport.cz serial=1771933459

WOT: SAFE (61/100)
WOT: SAFE (66/100)

cssf.cz

2 records (2 active, 0 former)

●A2a00:4b40:aaaa:2101:45:13:137:72026-03-24 → 2026-04-24 · 2 obs

● 2026-03-24 07:47:20
● 2026-04-24 03:56:10

●A45.13.137.82026-03-24 → 2026-04-24 · 2 obs

● 2026-03-24 07:47:20
● 2026-04-24 03:56:10

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
cssf.cz	ns3.websupport.eu, ns1.websupport.cz, ns2.websupport.cz	-

Server:185.71.159.12

NS records: ns3.websupport.eu, ns1.websupport.cz, ns2.websupport.cz

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

Total: 1095ms | Queries: -

Type	Count	Sample Data
A	1	`45.13.137.8`
AAAA	1	`2a00:4b40:aaaa:2101:45:13:137:7`

mailin2.cssf.cz is the mail server for cssf.cz.

With mailin2.cssf.cz, mailin1.cssf.cz is commonly used as a mail server.