proofreason.eu - dns.ninja

`proofreason.eu`

DNSSEC	⚠️ Not signed
A	193.85.154.158^{🇨🇿 TMOBILE-CZ193.85.0.0/16 T-Mobile Czech Republic a.s.}
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`mx.web4u.cz` ⭐
		A	2001:1568::7012^{🇨🇿 WEB4U2001:1568::/33}
		A	81.91.87.12^{🇨🇿 WEB4U81.91.80.0/21}
			PTR	`mx.web4u.cz`
SOA	`ns.web4u.cz`admin@web4u.cz 2012-05-11 #1

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1127040896

Subdomains

mail.proofreason.eu

Same first word

proofreason.com

proofreason.eu

Similar names

pearsonroof.com

DNS History

6 records (4 active, 2 former)

●NSns.web4u.cz2015-06-27 → 2026-08-13 · 2 obs

● 2015-06-27 23:19:02
● 2026-08-13 15:53:58

●NSns2.web4u.cz2015-06-27 → 2026-08-13 · 2 obs

● 2015-06-27 23:19:02
● 2026-08-13 15:53:58

○MXmail.proofreason.eu2015-06-27 → 2017-02-07 · 4 obs

● 2015-06-27 23:19:02
● 2017-02-07 07:28:38
○ 2026-07-08 08:53:12
○ 2026-08-13 15:53:58

●MXmx.web4u.cz2026-07-08 → 2026-08-13 · 3 obs

○ 2017-02-07 07:28:38
● 2026-07-08 08:53:12
● 2026-08-13 15:53:58

●A193.85.154.1582026-07-08 → 2026-08-13 · 3 obs

○ 2017-02-07 07:28:38
● 2026-07-08 08:53:12
● 2026-08-13 15:53:58

○A81.91.86.122015-06-27 → 2017-02-07 · 4 obs

● 2015-06-27 23:19:02
● 2017-02-07 07:28:38
○ 2026-07-08 08:53:12
○ 2026-08-13 15:53:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	x.dns.eu, be.dns.eu, si.dns.eu, w.dns.eu...	-
proofreason.eu	ns.web4u.cz, ns2.web4u.cz	-

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proofreason.eu (unsigned zone)

⏱️ Timing

Total: 1493ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.85.154.158`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	1	`mx.web4u.cz (pri: 10)`
SOA	1	`ns.web4u.cz admin.web4u.cz`

Analysis

Hierarchy

mail.proofreason.eu is a subdomain of proofreason.eu.

IP Addresses

proofreason.eu resolves to just one IP address, 193.85.154.158.

Other host names, such as proofandreason.com, share IP numbers with proofreason.eu.

Name Servers

proofreason.eu is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.

proofreason.eu shares its NS records with other domains, for example strangeday.cz, sparepartsgas.com, rajrealit.cz and two others.

ns2.web4u.cz and ns.web4u.cz each resolve to two IP addresses: ns2.web4u.cz points to 85.207.53.12 and 2a02:a40:100:28ff::12, while ns.web4u.cz points to 185.14.224.241 and 2001:1568:fd::241.

Mail Servers

The sole mail server for proofreason.eu is mx.web4u.cz.

Among the domains sharing a mail server setup with proofreason.eu are ondo.cz, popron.eu, zelene-potraviny.net and two others.

proofreason.eu has mail servers in common with other domains — lascort.cz being one example.

mx.web4u.cz resolves to two IP numbers — 81.91.87.12 and 2001:1568::7012.