`ferni.cz`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d7e7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:10ca^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.202^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.231^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`barbara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`barbara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`barbara.ns.cloudflare.com`
		A	108.162.192.248^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	172.64.32.248^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	173.245.58.248^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
NS	`kai.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bbc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kai.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1bc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kai.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21bc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kai.ns.cloudflare.com`
		A	108.162.193.188^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kai.ns.cloudflare.com`
		A	172.64.33.188^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kai.ns.cloudflare.com`
		A	173.245.59.188^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kai.ns.cloudflare.com`
MX	`mx1.mail.ovh.net` ⭐
		A	188.165.36.237^{🇫🇷 OVH188.165.0.0/16 ISP Paris, France}
			PTR	`mx1.mail.ovh.net`
MX	`mx2.mail.ovh.net`⁽⁵⁾
		A	87.98.160.167^{🇫🇷 OVH87.98.128.0/17 ISP Paris, France}
			PTR	`mx2.mail.ovh.net`
MX	`mx3.mail.ovh.net`⁽¹⁰⁰⁾
		A	91.121.53.175^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
			PTR	`mx3.mail.ovh.net`
TXT	`v=spf1 include:mx.ovh.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.202, 172.67.215.231
		IPv6 hints	2606:4700:3033::ac43:d7e7, 2606:4700:3035::6815:10ca
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com
SOA	`barbara.ns.cloudflare.com`dns@cloudflare.com serial=2408948202

`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=1783469838

Same first word

ferni.cz

ferni.it

ferni.co.nz

ferni.com

ferni.es

ferni.co.kr

ferni.ru

ferni.de

Similar names

ifenr.com

refin.ru

infre.org

finer.co.kr

efrin.com

nifer.com

frein.be

fenri.hatenablog.com

erfin.de

ifern.de

infer.online

finer.pl

nerfi.fr

inerf.com

infer.cl

infre.ru

frein.sakura.ne.jp

infer.cn

erfin.pl

infer.net

finer.org.br

frein.de

nefir.com.tr

refin.mobi

refin.com.pl

refin.com.ua

freni.no

ferin.se

nerif.com

freni.com

fenri.de

nfire.ru

ferin.eu

frein.com.au

ferin.fi

infer.me

refin.it

frien.de

nefir.com

reinf.com

infer.nu

refin.com.au

efrin.tv

infre.net

refin.us

erfin.org

refin.be

infer.es

erfin.sk

frien.com

finre.ru

frein.org

frine.org

finer.no

inref.ru

finer.xyz

infer.biz

erfin.com

infer.com

finer.com.br

finer.green

finer.de

nfire.co.uk

nierf.com

inerf.org

frein.co.jp

ferin.pt

efinr.com

infer.so

refin.com

refin.co.uk

nfire.org

refin.net.au

renif.com

fiern.org.br

ferin.com

frein.ca

finer.us

irfen.me

rifen.com

refin.cz

refin.eu

infer.si

irnef.org

fenri.com

rfine.go.kr

frein.ru

finer.fi

ferin.org

frein.com

nefir.net

finer.dk

nfire.net

refin.de

refin.fr

infer.it

nerif.net

finer.gy

infer.ca

finer.ltd

finer.com

fenri.com.tw

finer.cn

finer.eu

refin.sk

finer.net

fenir.it

infre.com

rfein.com

infer.co

finer.ca

finer.it

fiern.com

fenir.ru

refin.cn

refni.com

ferin.cn

finer.sk

efrin.net

infer.com.au

refin.nl

frein.net

refin.co

ferin.ru

infre.info

finer.ru

refin.si

nfire.de

einfr.net

nfire.com

refin.com.cn

infer.de

enfri.com

refin.no

infre.mobi

refin.org

refin.se

infre.ch

fneri.com

rifen.de

frine.com

finer.co

infer.org

renfi.com

ferin.it

infer.nl

freni.be

finer.in

rfine.kr

finer.biz

DNS History

15 records (9 active, 6 former)

●NSbarbara.ns.cloudflare.com2026-05-25 → 2026-07-08 · 2 obs

● 2026-05-25 20:19:50
● 2026-07-08 00:51:48

●NSkai.ns.cloudflare.com2026-05-25 → 2026-07-08 · 2 obs

● 2026-05-25 20:19:50
● 2026-07-08 00:51:48

●MXmx1.mail.ovh.net2026-05-25 → 2026-07-08 · 2 obs

● 2026-05-25 20:19:50
● 2026-07-08 00:51:48

●MXmx2.mail.ovh.net2026-05-25 → 2026-07-08 · 2 obs

● 2026-05-25 20:19:50
● 2026-07-08 00:51:48

●MXmx3.mail.ovh.net2026-05-25 → 2026-07-08 · 2 obs

● 2026-05-25 20:19:50
● 2026-07-08 00:51:48

●A104.21.16.2022026-05-25 → 2026-07-08 · 7 obs

● 2026-05-25 20:19:50
● 2026-06-02 19:14:18
○ 2026-06-05 18:10:08
● 2026-06-25 03:27:14
○ 2026-07-02 08:16:52
● 2026-07-08 00:51:46
● 2026-07-08 00:51:48

●A172.67.215.2312026-05-25 → 2026-07-08 · 7 obs

● 2026-05-25 20:19:50
● 2026-06-02 19:14:18
○ 2026-06-05 18:10:08
● 2026-06-25 03:27:14
○ 2026-07-02 08:16:52
● 2026-07-08 00:51:46
● 2026-07-08 00:51:48

○A188.114.96.02026-06-05 → 2026-07-02 · 6 obs

○ 2026-06-02 19:14:18
● 2026-06-05 18:10:08
○ 2026-06-25 03:27:14
● 2026-07-02 08:16:52
○ 2026-07-08 00:51:46
○ 2026-07-08 00:51:48

○A188.114.97.02026-06-05 → 2026-07-02 · 6 obs

○ 2026-06-02 19:14:18
● 2026-06-05 18:10:08
○ 2026-06-25 03:27:14
● 2026-07-02 08:16:52
○ 2026-07-08 00:51:46
○ 2026-07-08 00:51:48

○A2606:4700:3030::ac43:d7e72026-05-25 → 2026-06-02 · 4 obs

● 2026-05-25 20:19:50
● 2026-06-02 19:14:18
○ 2026-06-05 18:10:08
○ 2026-07-08 00:51:48

○A2606:4700:3033::6815:10ca2026-05-25 → 2026-06-02 · 4 obs

● 2026-05-25 20:19:50
● 2026-06-02 19:14:18
○ 2026-06-05 18:10:08
○ 2026-07-08 00:51:48

●A2606:4700:3033::ac43:d7e72026-06-25 → 2026-07-08 · 5 obs

○ 2026-06-05 18:10:08
● 2026-06-25 03:27:14
○ 2026-07-02 08:16:52
● 2026-07-08 00:51:46
● 2026-07-08 00:51:48

●A2606:4700:3035::6815:10ca2026-06-25 → 2026-07-08 · 5 obs

○ 2026-06-05 18:10:08
● 2026-06-25 03:27:14
○ 2026-07-02 08:16:52
● 2026-07-08 00:51:46
● 2026-07-08 00:51:48

○A2a06:98c1:3120::2026-06-05 → 2026-07-02 · 6 obs

○ 2026-06-02 19:14:18
● 2026-06-05 18:10:08
○ 2026-06-25 03:27:14
● 2026-07-02 08:16:52
○ 2026-07-08 00:51:46
○ 2026-07-08 00:51:48

○A2a06:98c1:3121::2026-06-05 → 2026-07-02 · 6 obs

○ 2026-06-02 19:14:18
● 2026-06-05 18:10:08
○ 2026-06-25 03:27:14
● 2026-07-02 08:16:52
○ 2026-07-08 00:51:46
○ 2026-07-08 00:51:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
ferni.cz	kai.ns.cloudflare.com, barbara.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.248

NS records: kai.ns.cloudflare.com, barbara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ferni.cz (unsigned zone)

⏱️ Timing

Total: 1256ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.215.231, 104.21.16.202`
AAAA	2	`2606:4700:3033::ac43:d7e7, 2606:4700:3035::6815:10ca`
NS	2	`barbara.ns.cloudflare.com, kai.ns.cloudflare.com`
MX	3	`mx1.mail.ovh.net (pri: 1), mx3.mail.ovh.net (pri: 100)...`
TXT	1	`v=spf1 include:mx.ovh.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`barbara.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

ferni.cz directs to four IP numbers, which are 104.21.16.202, 172.67.215.231, 2606:4700:3033::ac43:d7e7 and 2606:4700:3035::6815:10ca.

www.emaraacademy.com, chaveiro-24-horas-em-cont50617.free-blogz.com, www.hikingpics.com and two other host names share IP numbers with ferni.cz.

Name Servers

Two name servers handle the delegation for ferni.cz: barbara.ns.cloudflare.com and kai.ns.cloudflare.com.

ferni.cz uses the same name servers as several other domains — among them blackmarketmealprep.com, dna.xyz, hatdaukhaai.com and two more.

At least some of ferni.cz's name servers are shared with other domains, for example nappvatpham.com, shaperin.com, cuokan.com and two more.

It is common for these name servers to be used in conjunction with the name servers trevor.ns.cloudflare.com, leah.ns.cloudflare.com and rodney.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

barbara.ns.cloudflare.com resolves to 108.162.192.248, 172.64.32.248 and 173.245.58.248 among others, with 3 other IP addresses in total.

kai.ns.cloudflare.com resolves to 108.162.193.188, 172.64.33.188 and 173.245.59.188 among others, with 3 other IP addresses in total.

Mail Servers

The MX records for ferni.cz list three mail servers: mx1.mail.ovh.net, mx2.mail.ovh.net and mx3.mail.ovh.net.

ferni.cz has at least partial mail server overlap with other domains such as cpermis.fr, majordrome.com, planet-esthetic.fr and two more.

It is common to find these mail servers used together with the mail servers mx4.mail.ovh.net and mx0.mail.ovh.net.

mx1.mail.ovh.net points to 188.165.36.237; mx2.mail.ovh.net points to 87.98.160.167; mx3.mail.ovh.net points to 91.121.53.175 — each hostname maps to exactly one IP address.

ferni.cz - robtex.com

ferni.cz

cz

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`ferni.cz`

`cz`