`4.fo`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:95a3^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:5fef^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.239^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.163^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`liz.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3abd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`liz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`liz.ns.cloudflare.com`
		A	108.162.192.189^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
		A	172.64.32.189^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
		A	173.245.58.189^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
NS	`lynn.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lynn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lynn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lynn.ns.cloudflare.com`
		A	108.162.193.201^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lynn.ns.cloudflare.com`
		A	172.64.33.201^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lynn.ns.cloudflare.com`
		A	173.245.59.201^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lynn.ns.cloudflare.com`
MX	`mx10.it.fm` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.95.239, 172.67.149.163
		IPv6	2606:4700:3031::ac43:95a3, 2606:4700:3034::6815:5fef
SOA	`liz.ns.cloudflare.com`dns@cloudflare.com serial=2396832460

`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=1772219351

⚠️ On DNS blocklist: tif

Same first word

4.td

4.cash

4.tm

4.cx

4.gp

4.se

4.kg

4.me

4.com.vn

4.com.ua

4.uy

4.dk

4.hm

4.fj.cn

4.bet

4.s3-website-us-east-1.amazonaws.com

4.casino

4.st

4.vacations

4.fashion

4.gs.cn

4.sb

4.sv

4.ro

4.la

4.fitness

4.mr

4.je

4.berlin

4.wedding

4.cc

4.amsterdam

4.cl

4.gold

4.he.cn

4.church

4.cz

4.network

4.s3.amazonaws.com

4.dating

4.plus

4.githubusercontent.com

4.pl

4.ly

4.bj.cn

4.gg

4.my

4.ln.cn

4.org.cn

4.events

4.in-addr.arpa

4.toys

4.tv

4.cafe

4.org

4.vg

4.de

4.ws

4.ah.cn

4.srl

4.mk

4.dev

4.kids

4.ms

4.ph

4.fm

4.kz

4.cg

4.bio

4.city

4.org.uk

4.ai

4.asia

4.cm

4.to

4.ht

4.cn

4.ua

4.azurestaticapps.net

4.s3.eu-central-1.amazonaws.com

4.fr

4.co

4.biz

DNS History

13 records (7 active, 6 former)

●NSliz.ns.cloudflare.com2026-02-27 → 2026-02-27 · 3 obs

○ 2018-04-13 16:09:46
● 2026-02-27 19:46:42
● 2026-02-27 19:46:44

●NSlynn.ns.cloudflare.com2026-02-27 → 2026-02-27 · 3 obs

○ 2018-04-13 16:09:46
● 2026-02-27 19:46:42
● 2026-02-27 19:46:44

○NSns1.afraid.org2018-04-13 → 2018-04-13 · 3 obs

● 2018-04-13 16:09:46
○ 2026-02-27 19:46:42
○ 2026-02-27 19:46:44

○NSns2.afraid.org2018-04-13 → 2018-04-13 · 3 obs

● 2018-04-13 16:09:46
○ 2026-02-27 19:46:42
○ 2026-02-27 19:46:44

○NSns3.afraid.org2018-04-13 → 2018-04-13 · 3 obs

● 2018-04-13 16:09:46
○ 2026-02-27 19:46:42
○ 2026-02-27 19:46:44

○NSns4.afraid.org2018-04-13 → 2018-04-13 · 3 obs

● 2018-04-13 16:09:46
○ 2026-02-27 19:46:42
○ 2026-02-27 19:46:44

○MXmail.4.fo2018-04-13 → 2018-04-13 · 3 obs

● 2018-04-13 16:09:46
○ 2026-02-27 19:46:42
○ 2026-02-27 19:46:44

●MXmx10.it.fm2026-02-27 → 2026-02-27 · 3 obs

○ 2018-04-13 16:09:46
● 2026-02-27 19:46:42
● 2026-02-27 19:46:44

●A104.21.95.2392026-02-27 → 2026-02-27 · 3 obs

○ 2018-04-13 16:09:46
● 2026-02-27 19:46:42
● 2026-02-27 19:46:44

●A172.67.149.1632026-02-27 → 2026-02-27 · 3 obs

○ 2018-04-13 16:09:46
● 2026-02-27 19:46:42
● 2026-02-27 19:46:44

●A2606:4700:3031::ac43:95a32026-02-27 → 2026-02-27 · 3 obs

○ 2018-04-13 16:09:46
● 2026-02-27 19:46:42
● 2026-02-27 19:46:44

●A2606:4700:3034::6815:5fef2026-02-27 → 2026-02-27 · 3 obs

○ 2018-04-13 16:09:46
● 2026-02-27 19:46:42
● 2026-02-27 19:46:44

○A72.8.150.162018-04-13 → 2018-04-13 · 3 obs

● 2018-04-13 16:09:46
○ 2026-02-27 19:46:42
○ 2026-02-27 19:46:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fo	a.nic.fo, b.nic.fo, c.nic.fo, d.nic.fo...	12 records
4.fo	liz.ns.cloudflare.com, lynn.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.33.201

NS records: liz.ns.cloudflare.com, lynn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4.fo (unsigned zone)

⏱️ Timing

Total: 215ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.149.163, 104.21.95.239`
AAAA	2	`2606:4700:3031::ac43:95a3, 2606:4700:3034::6815:5fef`
NS	2	`liz.ns.cloudflare.com, lynn.ns.cloudflare.com`
MX	1	`mx10.it.fm (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`liz.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.fo, a.nic.fo, b.nic.fo...)

AI analysis

4.fo points to four IP numbers: 2606:4700:3031::ac43:95a3, 2606:4700:3034::6815:5fef, 104.21.95.239 and 172.67.149.163.

For instance, other host names ehbr.cn, starinsco.com, newmediafocus.com, mail.amasia.fr and jeketro-grobogan.desa.id share IP numbers with 4.fo.

4.fo is delegated to two name servers: liz.ns.cloudflare.com and lynn.ns.cloudflare.com.

4.fo uses the same name server setup as other domains such as it.hn, it.tn, bigben.tv, streamlinertele.com and dnsale.com.

4.fo shares name servers with other domains at least partially, for example ozarchitects.com, freeproxy.win, hg668s.com, thiagoleite.me and myport.com.au.

These name servers are commonly used with the name servers amir.ns.cloudflare.com and guy.ns.cloudflare.com.

Host names with six IP numbers: host name liz.ns.cloudflare.com points to: 2606:4700:50::adf5:3abd, 2803:f800:50::6ca2:c0bd, 2a06:98c1:50::ac40:20bd, 108.162.192.189, 172.64.32.189 and 173.245.58.189; host name lynn.ns.cloudflare.com points to: 2606:4700:58::adf5:3bc9, 2803:f800:50::6ca2:c1c9, 2a06:98c1:50::ac40:21c9, 108.162.193.201, 172.64.33.201 and 173.245.59.201.

4.fo is handled by a single mail server, mx10.it.fm.

4.fo shares the same mail server setup as other domains, such as erportal.ru, intis.ru and smserv.ru.

4.fo - robtex.com

4.fo

fo

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

AI analysis

`4.fo`

`fo`