`f2s.us`

DNSSEC	⚠️ Not signed
A	38.181.42.218^{🇺🇸 HKCICL-AS-AP38.181.42.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1778510281

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1784064800

Same first word

f2s.ru

f2s.biz

f2s.com

f2s.co.za

f2s.nl

f2s.ma

f2s.de

f2s.eu

f2s.net

f2s.pt

f2s.co

f2s.io

f2s.org

f2s.co.uk

f2s.it

f2s.us

f2s.me

f2s.lu

f2s.fr

f2s.co.in

Similar names

2fs.pt

fs2.co.il

2sf.de

2fs.co

fs2.lol

2fs.biz

fs2.lu

fs2.com.cn

2sf.com

sf2.de

2fs.co.uk

fs2.eu

2fs.nl

s2f.com.au

fs2.org

fs2.at

s2f.cn

fs2.ca

2sf.info

sf2.me

2fs.net

fs2.io

sf2.fr

2sf.me

sf2.eu

2sf.cn

sf2.ca

2sf.ru

fs2.com.au

s2f.app

2fs.ru

2sf.com.cn

2sf.net

sf2.ch

sf2.co

fs2.com

s2f.org

fs2.cn

fs2.ru

s2f.ca

2sf.nl

fs2.cc

fs2.dk

2fs.cc

sf2.xyz

2fs.xyz

s2f.fr

s2f.eu

s2f.us

s2f.in

s2f.biz

2fs.org

sf2.nl

s2f.de

s2f.com.cn

sf2.cn

2fs.cn

sf2.com

sf2.se

s2f.net

sf2.in

fs2.de

s2f.be

fs2.co.uk

2fs.de

2sf.eu

s2f.com

2sf.icu

2sf.ch

sf2.net

s2f.ru

fs2.net

2sf.org

2fs.com

DNS History

15 records (8 active, 7 former)

●NSdns1.registrar-servers.com2026-06-09 → 2026-07-14 · 3 obs

○ 2017-06-29 01:48:20
● 2026-06-09 05:51:24
● 2026-07-14 22:05:26

●NSdns2.registrar-servers.com2026-06-09 → 2026-07-14 · 3 obs

○ 2017-06-29 01:48:20
● 2026-06-09 05:51:24
● 2026-07-14 22:05:26

○NSns1.webspaceplace.net2015-05-23 → 2017-06-29 · 4 obs

● 2015-05-23 18:12:04
● 2017-06-29 01:48:20
○ 2026-06-09 05:51:24
○ 2026-07-14 22:05:26

○NSns1.wznoc.com2015-05-23 → 2017-06-29 · 4 obs

● 2015-05-23 18:12:04
● 2017-06-29 01:48:20
○ 2026-06-09 05:51:24
○ 2026-07-14 22:05:26

○NSns2.webspaceplace.net2015-05-23 → 2017-06-29 · 4 obs

● 2015-05-23 18:12:04
● 2017-06-29 01:48:20
○ 2026-06-09 05:51:24
○ 2026-07-14 22:05:26

○NSns2.wznoc.com2015-05-23 → 2017-06-29 · 4 obs

● 2015-05-23 18:12:04
● 2017-06-29 01:48:20
○ 2026-06-09 05:51:24
○ 2026-07-14 22:05:26

●MXeforward1.registrar-servers.com2026-06-09 → 2026-07-14 · 3 obs

○ 2017-06-29 01:48:20
● 2026-06-09 05:51:24
● 2026-07-14 22:05:26

●MXeforward2.registrar-servers.com2026-06-09 → 2026-07-14 · 3 obs

○ 2017-06-29 01:48:20
● 2026-06-09 05:51:24
● 2026-07-14 22:05:26

●MXeforward3.registrar-servers.com2026-06-09 → 2026-07-14 · 3 obs

○ 2017-06-29 01:48:20
● 2026-06-09 05:51:24
● 2026-07-14 22:05:26

●MXeforward4.registrar-servers.com2026-06-09 → 2026-07-14 · 3 obs

○ 2017-06-29 01:48:20
● 2026-06-09 05:51:24
● 2026-07-14 22:05:26

●MXeforward5.registrar-servers.com2026-06-09 → 2026-07-14 · 3 obs

○ 2017-06-29 01:48:20
● 2026-06-09 05:51:24
● 2026-07-14 22:05:26

○MXmail.f2s.us2015-05-23 → 2017-06-29 · 4 obs

● 2015-05-23 18:12:04
● 2017-06-29 01:48:20
○ 2026-06-09 05:51:24
○ 2026-07-14 22:05:26

○A162.220.216.2312015-05-23 → 2016-02-20 · 4 obs

● 2015-05-23 18:12:04
● 2016-02-20 11:13:34
○ 2016-06-02 06:16:24
○ 2026-07-14 22:05:26

○A172.106.10.2192016-06-02 → 2017-06-29 · 5 obs

○ 2016-02-20 11:13:34
● 2016-06-02 06:16:24
● 2017-06-29 01:48:20
○ 2026-06-09 05:51:24
○ 2026-07-14 22:05:26

●A38.181.42.2182026-06-09 → 2026-07-14 · 3 obs

○ 2017-06-29 01:48:20
● 2026-06-09 05:51:24
● 2026-07-14 22:05:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
f2s.us	dns2.registrar-servers.com, dns1.registrar-servers.com	-

✅ Authoritative Response

Server:156.154.132.200

NS records: dns2.registrar-servers.com, dns1.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f2s.us (unsigned zone)

⏱️ Timing

Total: 547ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.181.42.218`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

Analysis

IP Addresses

f2s.us directs to one IP number, which is 38.181.42.218.

Among the host names that share IP numbers with f2s.us are ix3.top, 2f3.top, 8x2.top and two others.

Name Servers

f2s.us is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

f2s.us has the same name server delegation as a number of other domains, such as nefeshwestcoast.com, juanlezama.com, scathew.com and two more.

There is an overlap in name servers between f2s.us and other domains, for example goodkarmahost.com, vizdb.com and savenn.com

It is common for these name servers to be used in conjunction with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

dns1.registrar-servers.com and dns2.registrar-servers.com each resolve to two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, while dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.

Mail Servers

f2s.us has five mail servers, which are eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

f2s.us shares at least some of its mail servers with other domains — for example certainlyhelpedcatfish.shop, videydm.site, withoutspaceandlight.com and two more.

It is common for these mail servers to co-occur with eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com as mail servers.

Hosts that resolve to one IP address:

eforward1.registrar-servers.com points to 162.255.118.51.

eforward2.registrar-servers.com points to 162.255.118.52.

eforward3.registrar-servers.com points to 162.255.118.51.

eforward4.registrar-servers.com points to 162.255.118.52.

eforward5.registrar-servers.com points to 162.255.118.51.

eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com all direct to 162.255.118.51.

eforward2.registrar-servers.com and eforward4.registrar-servers.com are host names that each point to 162.255.118.52 IP addresses.