`absintherepublic.com`

DNSSEC	⚠️ Not signed
A	81.91.86.12^{🇨🇿 WEB4U81.91.80.0/21}
		PTR	`php53.web4u.cz`
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}
			PTR	`mx.web4u.cz`
		A	81.91.87.12^{🇨🇿 WEB4U81.91.80.0/21}
			PTR	`mx.web4u.cz`
SOA	`ns.web4u.cz`admin@web4u.cz 2013-06-14 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776272062

Subdomains

mail.absintherepublic.com

Same first word

absintherepublic.cz

DNS History

5 records (4 active, 1 former)

●NSns.web4u.cz2015-06-08 → 2026-04-15 · 2 obs

● 2015-06-08 05:41:00
● 2026-04-15 17:00:40

●NSns2.web4u.cz2015-06-08 → 2026-04-15 · 2 obs

● 2015-06-08 05:41:00
● 2026-04-15 17:00:40

○MXmail.absintherepublic.com2015-06-08 → 2017-03-30 · 4 obs

● 2015-06-08 05:41:00
● 2017-03-30 20:20:38
○ 2026-04-15 17:00:38
○ 2026-04-15 17:00:40

●MXmx.web4u.cz2026-04-15 → 2026-04-15 · 3 obs

○ 2017-03-30 20:20:38
● 2026-04-15 17:00:38
● 2026-04-15 17:00:40

●A81.91.86.122015-06-08 → 2026-04-15 · 2 obs

● 2015-06-08 05:41:00
● 2026-04-15 17:00:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...	-
absintherepublic.com	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 absintherepublic.com (unsigned zone)

⏱️ Timing

Total: 915ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.86.12`
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

The parent of mail.absintherepublic.com is absintherepublic.com.

IP Addresses

absintherepublic.com points to a single IP address: 81.91.86.12.

Other host names such as sooon.cz, bonnies.cz, andorit.eu, kyocerautax.eu and vaclavfikar.cz share IPs with absintherepublic.com.

Name Servers

Two name servers ns2.web4u.cz and ns.web4u.cz handle the delegation for absintherepublic.com.

absintherepublic.com shares the same name server setup as other domains, for example 1227.eu, alexel.cz, atuna.cz, kalny.cz and tmej.eu.

Host names with two IP numbers:

ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12.

ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.

Mail Servers

The mx.web4u.cz mail server handles absintherepublic.com.

absintherepublic.com shares the same mail server setup as other domains, including lokoc.net, e-metropol.net, spravadomen.org, jhdata.cz and hifionline.eu.

absintherepublic.com shares at least some mail servers with other domains, for example jp1.cz and lascort.cz.

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

absintherepublic.com - robtex.com