`bio.sk`

DNSSEC	⚠️ Not signed
NS	`ns.gransy.com` ⚠️ Not in zone NS records
		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	`ns2.gransy.com` ⚠️ Not in zone NS records
		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	`ns3.gransy.com` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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 Glesys Network}
			PTR	`80-67-7-209-static.glesys.net`

`sk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`m.tld.sk` ⭐
	NS	`e.tld.sk`
	NS	`f.tld.sk`
	NS	`g.tld.sk`
	NS	`h.tld.sk`
	SOA	`m.tld.sk`hostmaster@sk-nic.sk serial=2018595532

WOT: UNKNOWN (68/100)

Same first word

bio.org

bio.yoga

bio.br

bio.fi

bio.news

bio.lv

bio.ai

bio.computer

bio.recipes

bio.lt

bio.solar

bio.co.za

bio.to

bio.in

bio.ag

bio.pink

bio.in.th

bio.bg

bio.com.hk

bio.cc

bio.ne.kr

bio.inf.ua

bio.care

bio.com.ua

bio.place

bio.at

bio.or.at

bio.construction

bio.sp.gov.br

bio.city

bio.sk

bio.solutions

bio.coffee

bio.link

bio.now

bio.org.ru

bio.es

bio.science

bio.click

bio.cash

bio.center

bio.org.au

bio.hu

bio.su

bio.top

bio.tips

bio.la

bio.fm

bio.vision

bio.ph

bio.services

bio.ovh

bio.fvg.it

bio.pt

bio.directory

bio.ae

bio.edu.mx

bio.ch

bio.pl

bio.cz

bio.tc

bio.edu.ee

bio.be

bio.ooo

bio.do

bio.org.in

bio.media

bio.mobi

bio.org.ua

bio.contact

bio.tw

bio.tj

bio.fo

bio.us

bio.photos

bio.mx

bio.cheap

bio.guide

bio.vodka

bio.org.uk

bio.al

bio.s3-website-us-west-2.amazonaws.com

bio.com.tw

bio.live

bio.com

bio.gr

bio

bio.church

bio.company

bio.one

bio.ac.jp

bio.cr

bio.info.pl

bio.se

bio.ru

bio.bar

bio.tools

bio.legal

bio.ind.in

bio.wa.gov.au

bio.finance

bio.plus

bio.gs

bio.net

bio.ge

bio.world

bio.fit

bio.group

bio.com.tr

bio.lgbt

bio.site

bio.gc.ca

bio.house

bio.gr.jp

bio.io

bio.xyz

bio.vn

bio.ck.ua

bio.com.ai

Similar names

obi.at

boi.co.kr

boi.st

oib.me

boi.lk

boi.ch

obi.to

boi.com.tr

obi.in

obi.bio

boi.global.ssl.fastly.net

obi.ca

obi.com.pe

oib.be

ibo.co.za

iob.ie

obi.ba

boi.io

boi.re

boi.co

boi.edu.vn

oib.no

iob.info

boi.gov.in

iob.be

obi.com.tr

ibo.cc

obi.edu.vn

ibo.fr

iob.com.br

obi.la

obi.nu

oib.gov.tr

ibo.world

obi

obi.info

obi.su

ibo.bg

obi.waw.pl

obi.com.br

obi.io

ibo.solutions

iob.ind.in

iob.es

ibo.ai

ibo.cl

iob.com.sg

ibo.ae

obi.com.hr

ibo.pe

ibo.cz

boi.nl

obi.systems

boi.in

obi.ne.jp

boi.bike

obi.pl

iob.gc.ca

obi.net.cn

oib.se

ibo.it

ibo.org

DNS History

14 records (4 active, 10 former)

●NSns.gransy.com2026-06-14 → 2026-08-06 · 5 obs

○ 2016-06-08 19:53:06
● 2026-06-14 09:05:48
○ 2026-06-21 21:16:54
● 2026-08-03 06:25:46
● 2026-08-06 07:32:54

○NSns1.dynamit.sk2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 18:29:50
○ 2015-08-19 08:15:02
○ 2026-08-06 07:32:54

○NSns1.websupport.sk2015-08-19 → 2016-04-19 · 5 obs

○ 2009-07-02 18:29:50
● 2015-08-19 08:15:02
● 2016-04-19 05:51:12
○ 2016-06-08 19:53:06
○ 2026-08-06 07:32:54

○NSns2.dynamit.sk2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 18:29:50
○ 2015-08-19 08:15:02
○ 2026-08-06 07:32:54

●NSns2.gransy.com2026-06-14 → 2026-08-06 · 5 obs

○ 2016-06-08 19:53:06
● 2026-06-14 09:05:48
○ 2026-06-21 21:16:54
● 2026-08-03 06:25:46
● 2026-08-06 07:32:54

○NSns2.websupport.sk2015-08-19 → 2016-04-19 · 5 obs

○ 2009-07-02 18:29:50
● 2015-08-19 08:15:02
● 2016-04-19 05:51:12
○ 2016-06-08 19:53:06
○ 2026-08-06 07:32:54

○NSns3.dynamit.sk2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 18:29:50
○ 2015-08-19 08:15:02
○ 2026-08-06 07:32:54

●NSns3.gransy.com2026-06-14 → 2026-08-06 · 5 obs

○ 2016-06-08 19:53:06
● 2026-06-14 09:05:48
○ 2026-06-21 21:16:54
● 2026-08-03 06:25:46
● 2026-08-06 07:32:54

○NSns3.websupport.sk2015-08-19 → 2016-04-19 · 5 obs

○ 2009-07-02 18:29:50
● 2015-08-19 08:15:02
● 2016-04-19 05:51:12
○ 2016-06-08 19:53:06
○ 2026-08-06 07:32:54

○NSns4.dynamit.sk2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 18:29:50
○ 2015-08-19 08:15:02
○ 2026-08-06 07:32:54

●NSns4.gransy.com2026-06-14 → 2026-08-06 · 5 obs

○ 2016-06-08 19:53:06
● 2026-06-14 09:05:48
○ 2026-06-21 21:16:54
● 2026-08-03 06:25:46
● 2026-08-06 07:32:54

○MXmail.bio.sk2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 18:29:50
○ 2015-08-19 08:15:02
○ 2026-08-06 07:32:54

○MXmailcheck-efa.dynamit.sk2016-03-02 → 2016-04-19 · 5 obs

○ 2016-01-24 19:10:12
● 2016-03-02 22:42:04
● 2016-04-19 05:51:12
○ 2016-06-08 19:53:06
○ 2026-08-06 07:32:54

○MXmailcheck.dynamit.sk2015-08-19 → 2016-01-24 · 5 obs

○ 2009-07-02 18:29:50
● 2015-08-19 08:15:02
● 2016-01-24 19:10:12
○ 2016-03-02 22:42:04
○ 2026-08-06 07:32:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk	8 records
bio.sk	ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com	-

✅ Authoritative Response

Server:95.179.136.180

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bio.sk (unsigned zone)

⏱️ Timing

Total: 792ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (e.tld.sk, e.tld.sk, f.tld.sk...)

Analysis

Name Servers

The authoritative name servers for bio.sk are ns2.gransy.com, ns3.gransy.com, ns4.gransy.com and ns.gransy.com.

At least some of bio.sk's name servers are shared with other domains, for example latexx.cz, kyoshop.sk, xride.cz and two more.

These name servers tend to be used in conjunction with the name servers ns5.gransy.com.

Hostnames pointing to five IP numbers:

ns2.gransy.com resolves to four IP addresses: 95.179.192.121, 217.16.185.221, 217.69.4.49 and two others.

ns3.gransy.com resolves to four IP addresses: 46.21.100.103, 77.78.126.35, 109.74.7.71 and two others.

Hosts that point to four IP numbers:

ns4.gransy.com directs to 66.42.94.136, 80.67.7.209, 2001:19f0:5401:69b:5400:1ff:fec5:8f3f and 2a00:1a28:2010:1::89.

ns.gransy.com directs to 45.76.90.43, 77.78.104.149, 95.179.136.180 and 2001:19f0:5001:1caf:5400:1ff:fec5:8d50.

bio.sk - robtex.com

bio.sk

sk

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

`bio.sk`

`sk`