`bymini.cz`

DNSSEC	🔒 Signed (DS record present)
A	81.91.84.51^{🇨🇿 WEB4U81.91.80.0/21}
		PTR	`wpj.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	`aspmx.l.google.com` ⭐
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	172.217.76.26^{🇺🇸 Google172.217.76.0/24}
			PTR	`yulhrp-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:2801::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f26.1e100.net`
		A	192.178.128.27^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f26.1e100.net`
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`facebook-domain-verification=4kdb5cese5t7n8z4yoxnjoho9n78ir`
TXT	`v=spf1 a mx include:_spf.google.com include:_spf.mlsend.com ?all`
TXT	`google-site-verification=iCLai0_MgwKU1eQFQBiBMOulcOuzdH-PFEGP6dZhWjM`
TXT	`google-site-verification=snsqWz_NtWrMrqChbm-AK-4DTTkXiat-PdYhXGeX9tI`
SOA	`ns.web4u.cz`admin@web4u.cz 2016-11-02 #1

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1776113254

📈 Tranco rank: #774,099

Subdomains

mail.bymini.cz

www.bymini.cz

Same first word

bymini.com

bymini.cz

Similar names

nyimbi.com

myibin.com

biminy.com

yiminb.com

miniby.dk

byimin.com

mybini.de

mybini.com

DNS History

9 records (8 active, 1 former)

●NSns.web4u.cz2018-05-06 → 2026-04-13 · 2 obs

● 2018-05-06 18:16:26
● 2026-04-13 21:02:08

●NSns2.web4u.cz2018-05-06 → 2026-04-13 · 2 obs

● 2018-05-06 18:16:26
● 2026-04-13 21:02:08

●MXalt1.aspmx.l.google.com2026-03-22 → 2026-04-13 · 3 obs

○ 2018-05-06 18:16:26
● 2026-03-22 13:57:54
● 2026-04-13 21:02:08

●MXalt2.aspmx.l.google.com2026-03-22 → 2026-04-13 · 3 obs

○ 2018-05-06 18:16:26
● 2026-03-22 13:57:54
● 2026-04-13 21:02:08

●MXalt3.aspmx.l.google.com2026-03-22 → 2026-04-13 · 3 obs

○ 2018-05-06 18:16:26
● 2026-03-22 13:57:54
● 2026-04-13 21:02:08

●MXalt4.aspmx.l.google.com2026-03-22 → 2026-04-13 · 3 obs

○ 2018-05-06 18:16:26
● 2026-03-22 13:57:54
● 2026-04-13 21:02:08

●MXaspmx.l.google.com2026-03-22 → 2026-04-13 · 3 obs

○ 2018-05-06 18:16:26
● 2026-03-22 13:57:54
● 2026-04-13 21:02:08

○MXmail.bymini.cz2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 18:16:26
○ 2026-03-22 13:57:54
○ 2026-04-13 21:02:08

●A81.91.84.512018-05-06 → 2026-04-13 · 2 obs

● 2018-05-06 18:16:26
● 2026-04-13 21:02:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
bymini.cz	ns.web4u.cz, ns2.web4u.cz	4 records

✅ Authoritative Response

Server:85.207.53.12

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 943ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.84.51`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	4	`facebook-domain-verification=4kdb5cese5t, v=spf1 a mx include:_spf.google.com incl...`
SOA	1	`ns.web4u.cz admin.web4u.cz`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)

Analysis

Hierarchy

bymini.cz is parent of mail.bymini.cz and www.bymini.cz.

IP Addresses

bymini.cz points to a single IP: 81.91.84.51.

Other host names, for instance rumchalpa.cz, www.skivrchlabi-knezice.cz, sportpec.cz, mail.plynoservis-krkonose.cz and apeno.cz share IP numbers with bymini.cz.

Name Servers

bymini.cz's delegation is to two name servers ns2.web4u.cz and ns.web4u.cz.

bymini.cz shares the same name server configuration as other domains, such as gmr.cz, lencsebolt.hu, smartmodels.cz, labmark.fr and dataxshop.cz.