`content.fb.com`

CNAME	`star.c10r.facebook.com`
DNSSEC	⚠️ Not signed
A	2a03:2880:f003:c07:face:b00c:0:2^{🇺🇸 Facebook2a03:2880:f003::/48 , Inc.}
		PTR	`edge-star6-shv-01-iad3.facebook.com`
A	31.13.66.4^{🇺🇸 Facebook31.13.66.0/24 , Inc.}
MX	`smtpin.vvv.facebook.com` ⭐
		A	2a03:2880:18ff:fffc:face:b00c:0:686e^{🇺🇸 Facebook2a03:2880:1000::/36 , Inc.}
			PTR	`msgin-regional6-shv-01-rsnb0.facebook.com`
		A	173.252.82.250^{🇺🇸 Facebook173.252.64.0/19 facebook, inc.}
			PTR	`msgin-regional-shv-01-rsnb0.facebook.com`
TXT	`v=spf1 a ~all`
HTTPS	HTTP/2, HTTP/3
HTTPS	HTTP/2, HTTP/3

`fb.com`

	DNSSEC	⚠️ Not signed
	A	2a03:2880:f377:1:face:b00c:0:25de^{🇺🇸 Facebook2a03:2880:f377::/48 , Inc.}
	A	57.144.238.1^{🇮🇪 Facebook57.144.238.0/23 , Inc.}
	NS	`a.ns.facebook.com` ⭐
	NS	`b.ns.facebook.com`
	NS	`c.ns.facebook.com`
	NS	`d.ns.facebook.com`
	MX	`mxa-00082601.gslb.pphosted.com` ⭐
	MX	`mxb-00082601.gslb.pphosted.com` ⭐
	TXT	`G3X1k1XGYGra1nUpTv7Rdk2wAEFHfkKIr9/4/6+Nu67Ks9cR8xaiqAZPPhis9lGD6mb/+9vygIr4Q...`
	TXT	`parkable-domain-verification=N89SxXel0S4pUXDFVpckFmXIO9MUvN4Or0bO_Lcb8Os=`
	TXT	`atlassian-domain-verification=I7HLjLnlhJiDT58wzrru2Pd/2cRWa3AKlgCjDPOO43GMP7H...`
	TXT	`v=spf1 redirect=_spf.fb.com`
	TXT	`586957ce-d11e-4efa-9fe5-a887498bf838`
	TXT	`docusign=ad7f789d-eff1-4283-9d90-fdc9484527e1`
	TXT	`I2B7AuxY6G1G_NeiaHF-9A0zn-3NDBnlOBi4zItNCU8`
	TXT	`mentimeter-16bdc82d-93be-47de-a6d4-fd6adb17c403`
	TXT	`MS=ms56927146`
	TXT	`mentimeter-8599dcd1-e0da-4326-882e-7570e7c942fb`
	TXT	`smartsheet-site-validation=r-TtxwzdAh2KN_Zi6mTLGu02fz-9vQU4`
	TXT	`google-site-verification=Dsycvk_Ky3uQjdvuPrI_Z6A98lWghNTntdS4LuATOj8`
	TXT	`smartsheet-site-validation=sB5xgx-1nsnQCgORYUhnyDG3Jr739OxJ`
	HTTPS	HTTP/2, HTTP/3
	HTTPS	HTTP/2, HTTP/3
	SOA	`a.ns.facebook.com`dns@facebook.com serial=4207849484

WOT: SAFE (85/100)
rank #309 globally
rank #194 in the tld

fb.com

fb.comis a short-URL alias owned and operated by Meta Platforms, Inc. (formerly Facebook, Inc.); it redirects tofacebook.comand is used to produce compact shareable links for Facebook content.

Key facts

Owner / operator: Meta Platforms, Inc.
TLD:.com— gTLD
Primary purpose: Short URL alias / redirect tofacebook.com
Status: Active — redirects tofacebook.com

Related domains

facebook.com— canonical primary domain;fb.comis its short alias
meta.com— corporate umbrella domain for Meta Platforms
instagram.com,whatsapp.com— other Meta-owned properties

Semrush Rank:#3,442 Keywords:92,842 Traffic:734,007/mo
WOT: SAFE (85/100)
📈 Tranco rank: #666

Overview

fb.com is a premium short domain owned by Meta Platforms, Inc. (formerly Facebook, Inc.). The domain serves as a redirect and shortlink service for Facebook, the world's largest social networking platform. Meta acquired this two-letter domain to complement its main facebook.com domain, providing a concise URL for branding and link-sharing purposes.

About Meta

Meta was founded in 2004 by Mark Zuckerberg and fellow Harvard students. Originally named Facebook, the company rebranded to Meta in October 2021 to reflect its expanded focus beyond social media into virtual and augmented reality. Meta's mission is to "build the future of human connection and the technology that makes it possible."

Key Products & Services

Facebook — The original social network with billions of users
Instagram — Photo and video sharing platform
WhatsApp — Global messaging application
Messenger — Facebook's messaging service
Meta Quest — Virtual reality hardware and platform

The company operates on an advertising-based business model, offering its services free to users.

Technical Infrastructure

fb.com is hosted entirely on Meta's own infrastructure:

IPv4: 57.144.220.1 (Ireland)
IPv6: 2a03:2880:f36e:1:face:b00c:0:25de (notable "face:b00c" pattern)
Nameservers: a/b/c/d.ns.facebook.com (self-hosted authoritative DNS)
Mail: Handled by Proofpoint (mxa/mxb-00082601.gslb.pphosted.com)
Protocols: Supports HTTP/2 and HTTP/3

The domain hosts 50+ subdomains including api, www, workplace, and mail. DNSSEC is not enabled on this domain.

Same first word

content.to

content.uk

content.productions

content.cc

content.camp

content.services

content.net.ua

content.ag

content.org.cn

content.support

content.com.co

content.co

content.mobi

content.dp.ua

content.hu

content.my

content.info

content.com.ru

content.pstmn.io

content.media

content.tw

content.show

content.clinic

content.training

content.zone

content.de

content.su

content.tech

content.email

content.tv

content.guru

content.dog

content.land

content.ly

content.kr

content.works

content.ai

content.lu

content.zip

content.online

content.man

content.one

content.ro

content.pk

content.edgekey.net

content.s3.amazonaws.com

content.dk

content.dev

content.cn

content.cz

content.agency

content.ir

content.ee

content.town

content.com.vn

content.market

content.academy

content.digital

content.school

content.church

content.ad

content.center

content.im

content.bike

content.us

content.club

content.gallery

content.edgesuite.net

content.gov.ie

content.net

content.uz

content.jp

content.barclays

content.house

content.doctor

content.sydney

content.it

content.fr

content.builders

content.rv.ua

content.org

content.tools

content.education

content.ch

content.no

content.vic.gov.au

content.guide

content.tui

content.s3-eu-west-1.amazonaws.com

content.international

content.eu

content.edu.vn

content.gratis

content.fo

content.cat

content.sky

content.plus

content.exposed

content.vp4.me

content.be

content.lk

content.googleapis.com

content.es

content.ltd

content.taxi

content.ba

content.nl

content.express

content.amsterdam

content.pro

content.audi

content.com.tw

content.fi

content.run

content.watch

content.jetzt

content.chat

content.vn

content.se

content.ventures

Similar names

nettcon.de

tecnont.it

contnet.de

nettcon.com

netcont.net

contnet.com

nettcon.com.br

tnetnoc.com

tecnotn.it

nctoten.com

econtnt.com

netcont.ro

tnetnoc.cn

tetconn.com

tencont.com

DNS History

2 records (1 active, 1 former)

○CNAMEmkto-sj160116.com2017-06-15 → 2019-12-25 · 4 obs

● 2017-06-15 06:27:28
● 2019-12-25 14:23:14
○ 2026-03-30 11:40:28
○ 2026-06-27 18:22:56

●CNAMEstar.c10r.facebook.com2026-03-30 → 2026-06-27 · 3 obs

○ 2019-12-25 14:23:14
● 2026-03-30 11:40:28
● 2026-06-27 18:22:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
fb.com	a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com	8 records

✅ Authoritative Response

Server:185.89.218.12

NS records: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fb.com (unsigned zone)

⏱️ Timing

Total: 106ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`star.c10r.facebook.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (a.ns.facebook.com, a.ns.facebook.com, b.ns.facebook.com...)

Analysis

IP Addresses

content.fb.com points to the IP addresses 31.13.66.4 and 2a03:2880:f003:c07:face:b00c:0:2

facebookfacebook.com, facebookenterprise.com, faebook.de plus two other host names have IP numbers in common with content.fb.com.

Mail Servers

content.fb.com uses one mail server — smtpin.vvv.facebook.com.

The mail server setup of content.fb.com matches that of other domains such as groups.facebook.com, spamreport.facebook.com, pages.facebookmail.com and two others.

smtpin.vvv.facebook.com resolves to two IP numbers — 173.252.82.250 and 2a03:2880:18ff:fffc:face:b00c:0:686e.

content.fb.com - robtex.com

content.fb.com

fb.com

fb.com

Key facts

Related domains

Overview

About Meta

Key Products & Services

Technical Infrastructure

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Mail Servers

`content.fb.com`

`fb.com`