`f4.fo`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5fe3^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:ab81^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.227^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.129^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`anna.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c066^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2066^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anna.ns.cloudflare.com`
		A	108.162.192.102^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	172.64.32.102^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	173.245.58.102^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
MX	`rn-nprox.rozint.net` ⭐
		A	85.195.85.58^{🇩🇪 VELIANET-AS85.195.85.0/24}
			PTR	`de6000-r.iaasdns.com`
TXT	`v=spf1 +mx +ip4:85.195.85.58 +include:spfa.rozint.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.95.227, 172.67.171.129
		IPv6	2606:4700:3031::6815:5fe3, 2606:4700:3035::ac43:ab81
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2398146466

`fo`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.nic.fo`
	NS	`b.nic.fo`
	NS	`c.nic.fo`
	NS	`d.nic.fo`
	NS	`mimi.nic.fo`
	NS	`xn--gurun-jta.nic.fo`
	TXT	`organisation: FO Council`
	TXT	`whois: whois.nic.fo`
	TXT	`remarks: Registration information: http://www.nic.fo/`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1773104102

Subdomains

lg.f4.fo

Same first word

f4.ca

f4.co

f4.com.cn

f4.co.za

f4.nl

f4.fr

f4.de

f4.net.cn

f4.edgesuite.net

f4.pl

f4.gs

f4.ru

f4.com.ua

f4.tv

f4.biz

f4.fi

f4.co.kr

f4.com

f4.no

f4.lt

f4.fo

f4.com.au

f4.net

f4.org

f4.se

f4.be

f4.dk

f4.cz

f4.com.tr

f4.wtf

f4.com.br

f4.eu

f4.cn

Similar names

4f.hk

4f.net

4f.ph

4f.lt

4f.pt

4f.cz

4f.fr

4f.hr

4f.cm

4f.se

4f.co.za

4f.eu

4f.be

4f.ca

4f.com

4f.su

4f.com.pl

4f.no

4f.ws

4f.nl

4f.co.uk

4f.to

4f.biz

4f.rs

4f.de

4f.seoul.kr

4f.hu

4f.dk

4f.kz

4f.wiki

4f.io

4f.pl

4f.fi

4f.pulawy.pl

4f.org

4f.ua

DNS History

18 records (7 active, 11 former)

●NSalex.ns.cloudflare.com2026-02-19 → 2026-03-10 · 3 obs

○ 2021-05-26 04:39:28
● 2026-02-19 18:02:22
● 2026-03-10 01:39:12

●NSanna.ns.cloudflare.com2026-02-19 → 2026-03-10 · 3 obs

○ 2021-05-26 04:39:28
● 2026-02-19 18:02:22
● 2026-03-10 01:39:12

○NSns1.gratisdns.dk2015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

○NSns2.gratisdns.dk2015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

○NSns3.gratisdns.dk2015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

○NSns4.gratisdns.dk2015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

○NSns5.gratisdns.dk2015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

○MXalt1.aspmx.l.google.com2015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

○MXalt2.aspmx.l.google.com2015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

○MXaspmx.l.google.com2015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

○MXaspmx2.googlemail.com2015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

○MXaspmx3.googlemail.com2015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

●MXrn-nprox.rozint.net2026-02-19 → 2026-03-10 · 3 obs

○ 2021-05-26 04:39:28
● 2026-02-19 18:02:22
● 2026-03-10 01:39:12

●A104.21.95.2272026-02-19 → 2026-03-10 · 3 obs

○ 2021-05-26 04:39:28
● 2026-02-19 18:02:22
● 2026-03-10 01:39:12

●A172.67.171.1292026-02-19 → 2026-03-10 · 3 obs

○ 2021-05-26 04:39:28
● 2026-02-19 18:02:22
● 2026-03-10 01:39:12

○A188.166.47.1532015-08-06 → 2017-07-31 · 4 obs

● 2015-08-06 23:33:28
● 2017-07-31 05:12:40
○ 2021-05-26 04:39:28
○ 2026-03-10 01:39:12

●A2606:4700:3031::6815:5fe32026-02-19 → 2026-03-10 · 3 obs

○ 2021-05-26 04:39:28
● 2026-02-19 18:02:22
● 2026-03-10 01:39:12

●A2606:4700:3035::ac43:ab812026-02-19 → 2026-03-10 · 3 obs

○ 2021-05-26 04:39:28
● 2026-02-19 18:02:22
● 2026-03-10 01:39:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fo	mimi.nic.fo, xn--gurun-jta.nic.fo, a.nic.fo, c.nic.fo...	12 records
f4.fo	anna.ns.cloudflare.com, alex.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.32.102

NS records: anna.ns.cloudflare.com, alex.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f4.fo (unsigned zone)

⏱️ Timing

Total: 1061ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.171.129, 104.21.95.227`
AAAA	2	`2606:4700:3031::6815:5fe3, 2606:4700:3035::ac43:ab81`
NS	2	`alex.ns.cloudflare.com, anna.ns.cloudflare.com`
MX	1	`rn-nprox.rozint.net (pri: 110)`
TXT	1	`v=spf1 +mx +ip4:85.195.85.58 +include:sp`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (xn--gurun-jta.nic.fo, mimi.nic.fo, d.nic.fo...)

Analysis

Hierarchy

The parent of lg.f4.fo is f4.fo.

IP Addresses

f4.fo points to four IP numbers: 2606:4700:3031::6815:5fe3, 2606:4700:3035::ac43:ab81, 104.21.95.227 and 172.67.171.129.

Other host names, for instance aiblockchainconf.com, garrido.ninja, justinbull.com, geelsvolkstoneel.be and eriecareer.com share IP numbers with f4.fo.

Name Servers

f4.fo is delegated to two name servers: alex.ns.cloudflare.com and anna.ns.cloudflare.com.

f4.fo uses the same name server setup as other domains, for instance 200.160.23.in-addr.arpa, talkwithstrangers.net, rozint.com, contestpal.com and df.zone.

f4.fo shares name servers with other domains at least partially, for instance nuvid.com, userguiding.com, buildai.com, zamfira.eu and beemailing.com.

these name servers are commonly used together with coco.ns.cloudflare.com and dora.ns.cloudflare.com.

Host names with six IP numbers: alex.ns.cloudflare.com points to 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100; anna.ns.cloudflare.com points to 2606:4700:50::adf5:3a66, 2803:f800:50::6ca2:c066, 2a06:98c1:50::ac40:2066, 108.162.192.102, 172.64.32.102 and 173.245.58.102.

Mail Servers

The mail server for f4.fo is rn-nprox.rozint.net.

f4.fo uses the same mail server setup as other domains, for example rozint.net.

f4.fo shares at least some mail servers with other domains, for instance rozint.com.

These mail servers are often used with the mail servers pixel.mxrouting.net.

Host name rn-nprox.rozint.net resolves to IP 85.195.85.58.

f4.fo - robtex.com

f4.fo

fo

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`f4.fo`

`fo`