`f3o.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4d54^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:cdbe^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.84^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.190^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`elinore.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c099^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elinore.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2099^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elinore.ns.cloudflare.com`
		A	108.162.192.153^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	172.64.32.153^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	173.245.58.153^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.84, 172.67.205.190
		IPv6 hints	2606:4700:3032::6815:4d54, 2606:4700:3032::ac43:cdbe
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2407717034

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069499

WOT: SUSPICIOUS (1/100)

Same first word

f3o.de

f3o.ru

f3o.com

f3o.nl

Similar names

fo3.ru

fo3.pub

fo3.vg

3fo.com

3fo.us

o3f.com

o3f.net

o3f.ws

fo3.cz

fo3.com

3of.studio

of3.de

3of.us

fo3.org

o3f.com.br

3fo.ch

3of.de

3fo.ai

3fo.info

fo3.cn

3fo.de

of3.com

of3.cn

o3f.ru

fo3.fr

3fo.onl

3of.com

o3f.cn

of3.com.br

3fo.fr

of3.ru

DNS History

15 records (6 active, 9 former)

●NSbob.ns.cloudflare.com2026-06-26 → 2026-07-05 · 3 obs

○ 2017-04-08 08:10:48
● 2026-06-26 02:07:36
● 2026-07-05 04:03:32

●NSelinore.ns.cloudflare.com2026-06-26 → 2026-07-05 · 3 obs

○ 2017-04-08 08:10:48
● 2026-06-26 02:07:36
● 2026-07-05 04:03:32

○NSns1.hosting.reg.ru2015-11-27 → 2017-04-08 · 4 obs

● 2015-11-27 05:29:16
● 2017-04-08 08:10:48
○ 2026-06-26 02:07:36
○ 2026-07-05 04:03:32

○NSns2.hosting.reg.ru2015-11-27 → 2017-04-08 · 4 obs

● 2015-11-27 05:29:16
● 2017-04-08 08:10:48
○ 2026-06-26 02:07:36
○ 2026-07-05 04:03:32

○MXmx1.hosting.reg.ru2015-11-27 → 2017-04-08 · 4 obs

● 2015-11-27 05:29:16
● 2017-04-08 08:10:48
○ 2026-06-26 02:07:36
○ 2026-07-05 04:03:32

○MXmx2.hosting.reg.ru2015-11-27 → 2017-04-08 · 4 obs

● 2015-11-27 05:29:16
● 2017-04-08 08:10:48
○ 2026-06-26 02:07:36
○ 2026-07-05 04:03:32

●A104.21.77.842026-07-05 → 2026-07-05 · 2 obs

○ 2026-06-26 02:07:36
● 2026-07-05 04:03:32

●A172.67.205.1902026-07-05 → 2026-07-05 · 2 obs

○ 2026-06-26 02:07:36
● 2026-07-05 04:03:32

○A188.114.96.02026-06-26 → 2026-06-26 · 3 obs

○ 2017-04-08 08:10:48
● 2026-06-26 02:07:36
○ 2026-07-05 04:03:32

○A188.114.97.02026-06-26 → 2026-06-26 · 3 obs

○ 2017-04-08 08:10:48
● 2026-06-26 02:07:36
○ 2026-07-05 04:03:32

●A2606:4700:3032::6815:4d542026-07-05 → 2026-07-05 · 2 obs

○ 2026-06-26 02:07:36
● 2026-07-05 04:03:32

●A2606:4700:3032::ac43:cdbe2026-07-05 → 2026-07-05 · 2 obs

○ 2026-06-26 02:07:36
● 2026-07-05 04:03:32

○A2a06:98c1:3120::2026-06-26 → 2026-06-26 · 3 obs

○ 2017-04-08 08:10:48
● 2026-06-26 02:07:36
○ 2026-07-05 04:03:32

○A2a06:98c1:3121::2026-06-26 → 2026-06-26 · 3 obs

○ 2017-04-08 08:10:48
● 2026-06-26 02:07:36
○ 2026-07-05 04:03:32

○A37.140.192.72015-11-27 → 2017-04-08 · 4 obs

● 2015-11-27 05:29:16
● 2017-04-08 08:10:48
○ 2026-06-26 02:07:36
○ 2026-07-05 04:03:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	d.dns.ripn.net, f.dns.ripn.net, e.dns.ripn.net, b.dns.ripn.net...	-
f3o.ru	bob.ns.cloudflare.com, elinore.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.104

NS records: bob.ns.cloudflare.com, elinore.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f3o.ru (unsigned zone)

⏱️ Timing

Total: 871ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.77.84, 172.67.205.190`
AAAA	2	`2606:4700:3032::6815:4d54, 2606:4700:3032::ac43:cdbe`
NS	2	`bob.ns.cloudflare.com, elinore.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

f3o.ru has four IP addresses: 104.21.77.84, 172.67.205.190, 2606:4700:3032::6815:4d54 and 2606:4700:3032::ac43:cdbe.

Additional host names — frtf.com, colombocctv.com, blueskyhq.in and two others — share IP numbers with f3o.ru.

Name Servers

DNS delegation for f3o.ru points to two name servers: bob.ns.cloudflare.com and elinore.ns.cloudflare.com.

f3o.ru shares its name server setup with other domains, including snminc.com, colortech.net.au, elzworth.com and two others.

f3o.ru shares at least some of its name servers with other domains, including sm876.com, babelfis.ie, shubhlabhent.com and two others.

These name servers are frequently paired with the name servers julio.ns.cloudflare.com and dina.ns.cloudflare.com.

Host names with 6 IP numbers:

bob.ns.cloudflare.com has IP addresses 108.162.193.104, 172.64.33.104 and 173.245.59.104, plus 3 other.

elinore.ns.cloudflare.com has IP addresses 108.162.192.153, 172.64.32.153 and 173.245.58.153, plus 3 other.

f3o.ru - robtex.com

f3o.ru

ru

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`f3o.ru`

`ru`