`bioionic.cz`

DNSSEC	🔒 Signed (DS record present)
A	77.78.104.3^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
		PTR	`yurika.gransy.com`
NS	`ns2.gransy.com` ⭐
		A	2001:19f0:6801:474:5400:1ff:fec5:8efb^{🇫🇷 AS-VULTR2001:19f0:6800::/38 Vultr Assigned Prefix}
		A	2001:19f0:7401:81e0:5400:1ff:fec5:8ef6^{🇬🇧 AS-VULTR2001:19f0:7400::/38 Vultr Assigned Prefix}
		A	95.179.192.121^{🇬🇧 AS-VULTR95.179.192.0/20 Vultr Assigned Prefix}
			PTR	`95.179.192.121.vultrusercontent.com`
		A	217.16.185.221^{🇨🇿 VSHOSTING217.16.176.0/20 III.}
			PTR	`ns2.gransy.com`
		A	217.69.4.49^{🇫🇷 AS-VULTR217.69.0.0/20 Vultr Assigned Prefix}
			PTR	`217.69.4.49.vultrusercontent.com`
NS	`ns.gransy.com`
		A	2001:19f0:5001:1caf:5400:1ff:fec5:8d50^{🇳🇱 AS-VULTR2001:19f0:5000::/38 Vultr Assigned Prefix}
		A	45.76.90.43^{🇩🇪 AS-VULTR45.76.80.0/20 Vultr Assigned Prefix}
			PTR	`45.76.90.43.vultrusercontent.com`
		A	77.78.104.149^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
			PTR	`ns.gransy.com`
		A	95.179.136.180^{🇳🇱 AS-VULTR95.179.128.0/20 Vultr Assigned Prefix}
			PTR	`95.179.136.180.vultrusercontent.com`
NS	`ns3.gransy.com`
		A	2a02:750:7::2e7^{🇸🇪 GLESYS2a02:750::/29}
			PTR	`2a02-750-7--2e7-static.glesys.net`
		A	2a02:750:8::32^{🇳🇱 GLESYS2a02:750:8::/48 GleSYS AB}
			PTR	`2a02-750-8--32-static.glesys.net`
		A	46.21.100.103^{🇳🇱 GLESYS46.21.100.0/24 GleSYS AB}
			PTR	`46-21-100-103-static.glesys.net`
		A	77.78.126.35^{🇨🇿 CASABLANCA-AS77.78.124.0/22 Casablanca INT}
		A	109.74.7.71^{🇸🇪 GLESYS109.74.0.0/20}
			PTR	`109-74-7-71-static.glesys.net`
NS	`ns4.gransy.com`
		A	2001:19f0:5401:69b:5400:1ff:fec5:8f3f^{🇺🇸 AS-VULTR2001:19f0:5400::/38 Vultr Assigned Prefix}
		A	2a00:1a28:2010:1::89^{🇳🇴 GLESYS2a00:1a28::/32 Portlane Network}
			PTR	`2a00-1a28-2010-1--89-static.glesys.net`
		A	66.42.94.136^{🇺🇸 AS-VULTR66.42.80.0/20 Vultr Assigned Prefix}
			PTR	`66.42.94.136.vultrusercontent.com`
		A	80.67.7.209^{🇳🇴 GLESYS80.67.0.0/20 Portlane Network}
			PTR	`80-67-7-209-static.glesys.net`
NS	`ns5.gransy.com`
		A	2a02:750:5::538^{🇸🇪 GLESYS2a02:750::/29}
			PTR	`2a02-750-5--538-static.glesys.net`
		A	31.192.227.223^{🇸🇪 GLESYS31.192.224.0/21}
			PTR	`31-192-227-223-static.glesys.net`
MX	`mail.bioionic.cz` ⭐
TXT	`v=spf1 a mx include:gransy.com`
SOA	`ns.gransy.com`root@gransy.com serial=2753240284

`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=1777180634

WOT: SAFE (60/100)

Subdomains

mail.bioionic.cz

Same first word

bioionic.ch

bioionic.cz

bioionic.com

DNS History

13 records (7 active, 6 former)

○NSdns.aziendeitalia.com2015-06-12 → 2017-02-15 · 4 obs

● 2015-06-12 03:20:44
● 2017-02-15 11:34:56
○ 2019-03-24 03:19:44
○ 2026-04-26 05:46:34

○NSdns.hostingsolutions.cz2015-06-12 → 2017-02-15 · 4 obs

● 2015-06-12 03:20:44
● 2017-02-15 11:34:56
○ 2019-03-24 03:19:44
○ 2026-04-26 05:46:34

○NSdns2.hostingsolutions.cz2015-06-12 → 2017-02-15 · 4 obs

● 2015-06-12 03:20:44
● 2017-02-15 11:34:56
○ 2019-03-24 03:19:44
○ 2026-04-26 05:46:34

●NSns.gransy.com2019-03-24 → 2026-04-26 · 3 obs

○ 2017-02-15 11:34:56
● 2019-03-24 03:19:44
● 2026-04-26 05:46:34

●NSns2.gransy.com2019-03-24 → 2026-04-26 · 3 obs

○ 2017-02-15 11:34:56
● 2019-03-24 03:19:44
● 2026-04-26 05:46:34

●NSns3.gransy.com2019-03-24 → 2026-04-26 · 3 obs

○ 2017-02-15 11:34:56
● 2019-03-24 03:19:44
● 2026-04-26 05:46:34

●NSns4.gransy.com2019-03-24 → 2026-04-26 · 3 obs

○ 2017-02-15 11:34:56
● 2019-03-24 03:19:44
● 2026-04-26 05:46:34

●NSns5.gransy.com2019-03-24 → 2026-04-26 · 3 obs

○ 2017-02-15 11:34:56
● 2019-03-24 03:19:44
● 2026-04-26 05:46:34

○MXbioionic-cz.mail.protection.outlook.com2015-12-05 → 2017-02-15 · 5 obs

○ 2015-06-12 03:20:44
● 2015-12-05 15:24:56
● 2017-02-15 11:34:56
○ 2019-03-24 03:19:44
○ 2026-04-26 05:46:34

●MXmail.bioionic.cz2015-06-12 → 2026-04-26 · 5 obs

● 2015-06-12 03:20:44
○ 2015-12-05 15:24:56
○ 2017-02-15 11:34:56
● 2019-03-24 03:19:44
● 2026-04-26 05:46:34

○MXmx02.hostingsolutions.cz2015-06-12 → 2015-12-05 · 4 obs

● 2015-06-12 03:20:44
● 2015-12-05 15:24:56
○ 2016-03-10 08:21:12
○ 2026-04-26 05:46:34

○A212.239.57.2212015-06-12 → 2017-02-15 · 4 obs

● 2015-06-12 03:20:44
● 2017-02-15 11:34:56
○ 2019-03-24 03:19:44
○ 2026-04-26 05:46:34

●A77.78.104.32019-03-24 → 2026-04-26 · 3 obs

○ 2017-02-15 11:34:56
● 2019-03-24 03:19:44
● 2026-04-26 05:46:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
bioionic.cz	ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com...	-

✅ Authoritative Response

Server:46.21.100.103

NS records: ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1264ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.78.104.3`
NS	5	`ns4.gransy.com, ns5.gransy.com...`
MX	1	`mail.bioionic.cz (pri: 10)`
TXT	1	`v=spf1 a mx include:gransy.com`
SOA	1	`ns.gransy.com root.gransy.com`

Analysis

Hierarchy

bioionic.cz is the parent of mail.bioionic.cz.

IP Addresses

bioionic.cz resolves to one IP number: 77.78.104.3.

other host names including qta.sk, stbcool.de, rem-technik.de, uploaduj.cz and pamatky-facvut.cz share IP numbers with bioionic.cz.

Name Servers

bioionic.cz is delegated to five name servers: ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com and ns.gransy.com.

bioionic.cz at least partially shares name servers with other domains, for instance uslunce.cz, gigbeacon.com, rmk.cz, lamacars.cz and 586.cz.