`mail.numerus.cz`

DNSSEC	⚠️ Not signed
A	37.46.82.67^{🇨🇿 IGNUM-AS37.46.80.0/21 Webglobe s.r.o. H90}
		PTR	`h90-m2.hosting90.cz`

`numerus.cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.hosting90.cz` ⭐
	NS	`ns2.hosting90.cz`
	NS	`ns3.hosting90.net`
	MX	`antispam.hosting90.cz` ⭐
	TXT	`v=spf1 redirect=_spf.hosting90.cz`
	SOA	`ns1.hosting90.cz`admin@hosting90.cz 2026-08-07 #3

Previously MX for

numerus.cz

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DNS History

2 records (1 active, 1 former)

●A37.46.82.672026-02-25 → 2026-08-09 · 3 obs

○ 2016-11-20 19:26:16
● 2026-02-25 12:23:22
● 2026-08-09 10:39:40

○A93.185.104.72015-08-07 → 2016-11-20 · 4 obs

● 2015-08-07 16:02:30
● 2016-11-20 19:26:16
○ 2026-02-25 12:23:22
○ 2026-08-09 10:39:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
numerus.cz	ns3.hosting90.net, ns2.hosting90.cz, ns1.hosting90.cz	-

✅ Authoritative Response

Server:104.236.202.83

NS records: ns3.hosting90.net, ns2.hosting90.cz, ns1.hosting90.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1218ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.46.82.67`

Analysis

IP Addresses

mail.numerus.cz has exactly one IP address — 37.46.82.67.

mail.outdooraktivity.cz, mail.profi-montage.cz, h90-m2.hosting90.cz plus two other host names have IP numbers in common with mail.numerus.cz.

mail.numerus.cz - robtex.com

mail.numerus.cz

numerus.cz