`fb.facebookmail.com`

DNSSEC	⚠️ Not signed
A	2a03:2880:f0a5:118:face:b00c:0:2^{🇬🇧 Facebook2a03:2880:f0a5::/48 , Inc.}
		PTR	`edge-star6-shv-02-lhr6.facebook.com`
A	163.70.151.23^{🇬🇧 Facebook163.70.151.0/24 , Inc.}
MX	`smtpin.vvv.facebook.com` ⭐
		A	2a03:2880:ff:fffd:face:b00c:0:686e^{🇺🇸 Facebook2a03:2880::/36 , Inc.}
			PTR	`msgin-regional6-shv-01-rprn0.facebook.com`
		A	66.220.149.251^{🇺🇸 Facebook66.220.144.0/21 , Inc.}
			PTR	`msgin-regional-shv-01-rprn0.facebook.com`
TXT	`v=spf1 include:_spf.facebook.com -all`
HTTPS	HTTP/2, HTTP/3
HTTPS	HTTP/2, HTTP/3

`facebookmail.com`

	DNSSEC	⚠️ Not signed
	A	2a03:2880:f0a5:118:face:b00c:0:2^{🇬🇧 Facebook2a03:2880:f0a5::/48 , Inc.}
	A	163.70.151.23^{🇬🇧 Facebook163.70.151.0/24 , Inc.}
	NS	`a.ns.facebook.com` ⭐
	NS	`b.ns.facebook.com`
	NS	`c.ns.facebook.com`
	NS	`d.ns.facebook.com`
	MX	`smtpin.vvv.facebook.com` ⭐
	TXT	`v=spf1 ip4:66.220.144.128/25 ip4:66.220.155.0/24 ip4:66.220.157.0/25 ip4:69.6...`
	TXT	`google-site-verification=k76l1pDZEIJPFtWuhA4cPgk6LTdZpuBRi5_hAUHcKHE`
	TXT	`google-site-verification=ePQQVIoAQdnnJZX0QAy-128omMo-yKPGK1ZtPunjqP0`
	TXT	`apple-domain-verification=ce5A-XsC4Rf4Skkt-lS4wRYbci7ZHt2QO1gkZY-ECh0`
	HTTPS	HTTP/2, HTTP/3
	HTTPS	HTTP/2, HTTP/3
	SOA	`a.ns.facebook.com`dns@facebook.com serial=4207849484

WOT: SAFE (62/100)
⚠️ On DNS blocklist: social
🔒 HSTS Preload (+subdomains)
WOT: SAFE (71/100)
📈 Tranco rank: #80,667

Same first word

fb.ru

fb.agency

fb.ke

fb.pw

fb.tc

fb.ua

fb.biz

fb.ki

fb.ws

fb.am

fb.chat

fb.ph

fb.bet

fb.box

fb.su

fb.is

fb.co.at

fb.co.nz

fb.la

fb.co.za

fb.tools

fb.cz

fb.no

fb.mg

fb.legal

fb.quest

fb.to

fb.ro

fb.center

fb.my

fb.audio

fb.hk

fb.cc

fb.com.vn

fb.digital

fb.kz

fb.me

fb.tv

fb.nr

fb.com.es

fb.gg

fb.ge

fb.co

fb.md

fb.coach

fb.ee

fb.vg

fb.vu

fb.business

fb.kg

fb.vc

fb.com.co

fb.hl.cn

fb.life

fb.vip

fb.se

fb.de

fb.ms

fb.cn

fb.uz

fb.delivery

fb.net.nz

fb.sk

fb.zone

fb.cl

fb.direct

fb.spb.ru

fb.fo

fb.sv

fb.fi

fb.ca

fb.im

fb.org

fb.org.br

fb.tn

fb.za.com

fb.tj

fb.com.tw

fb.fm

fb.cab

fb.art.pl

fb.expert

fb.com.ge

fb.edu.br

fb.dk

fb.fr

fb.careers

fb.gr

fb.events

fb.nu

fb.net

fb.et

fb.security

fb.watch

fb.lt

fb.hu

fb.com.cn

fb.pn

fb.com.ua

fb.photography

fb.nl

Similar names

bf.cm

bf.top

bf.si

bf.fo

bf.show

bf.ro

bf.com.au

bf.art.pl

bf.dk

bf.biz

bf.is

bf.fr

bf.com.br

bf.lt

bf.co

bf.com

bf.ee

bf.com.ar

bf.net.au

bf.de

bf.kiev.ua

bf.cc

bf.vc

bf.com.pl

bf.works

bf.co.kr

bf.at

bf.fi

bf.no

bf.tv

bf.al

fb.gs

fb.com.au

fb.ai

fb.tel

fb.world

fb.church

bf.la

fb.ag

bf.lv

fb.ax

fb.com

bf.agency

bf.vg

fb.style

fb.ma

DNS History

16 records (3 active, 13 former)

○MXmsgin.vvv.facebook.com2018-12-22 → 2018-12-22 · 3 obs

● 2018-12-22 04:00:24
○ 2026-07-09 20:32:40
○ 2026-08-14 04:38:48

●MXsmtpin.vvv.facebook.com2026-07-09 → 2026-08-14 · 3 obs

○ 2018-12-22 04:00:24
● 2026-07-09 20:32:40
● 2026-08-14 04:38:48

○A157.240.241.172026-08-03 → 2026-08-03 · 4 obs

○ 2026-07-31 02:41:12
● 2026-08-03 12:10:26
○ 2026-08-04 21:24:06
○ 2026-08-14 04:38:48

●A163.70.151.232026-08-08 → 2026-08-14 · 5 obs

○ 2026-08-05 00:22:34
● 2026-08-08 22:32:32
○ 2026-08-10 03:49:44
● 2026-08-14 04:08:52
● 2026-08-14 04:38:48

○A2a03:2880:f003:c07:face:b00c:0:22026-07-09 → 2026-08-10 · 19 obs

● 2026-07-09 20:32:40
○ 2026-07-19 16:50:18
● 2026-07-19 23:20:58
○ 2026-07-21 14:58:08
● 2026-07-21 18:07:18
○ 2026-07-22 02:38:54
● 2026-07-23 10:20:04
○ 2026-07-26 16:39:02
● 2026-07-27 04:02:00
○ 2026-07-29 03:22:34
● 2026-07-31 02:41:12
○ 2026-08-03 12:10:26
● 2026-08-04 21:24:06
○ 2026-08-04 22:23:02
● 2026-08-05 00:22:34
○ 2026-08-08 22:32:32
● 2026-08-10 03:49:44
○ 2026-08-14 04:08:52
○ 2026-08-14 04:38:48

○A2a03:2880:f00e:a:face:b00c:0:22026-07-21 → 2026-07-29 · 8 obs

○ 2026-07-19 23:20:58
● 2026-07-21 14:58:08
○ 2026-07-21 18:07:18
● 2026-07-22 02:38:54
○ 2026-07-23 10:20:04
● 2026-07-29 03:22:34
○ 2026-07-31 02:41:12
○ 2026-08-14 04:38:48

○A2a03:2880:f012:100:face:b00c:0:22026-08-03 → 2026-08-03 · 4 obs

○ 2026-07-31 02:41:12
● 2026-08-03 12:10:26
○ 2026-08-04 21:24:06
○ 2026-08-14 04:38:48

●A2a03:2880:f0a5:118:face:b00c:0:22026-08-08 → 2026-08-14 · 5 obs

○ 2026-08-05 00:22:34
● 2026-08-08 22:32:32
○ 2026-08-10 03:49:44
● 2026-08-14 04:08:52
● 2026-08-14 04:38:48

○A2a03:2880:f31d:8d:face:b00c:0:22026-07-19 → 2026-07-19 · 4 obs

○ 2026-07-09 20:32:40
● 2026-07-19 16:50:18
○ 2026-07-19 23:20:58
○ 2026-08-14 04:38:48

○A2a03:2880:f356:8d:face:b00c:0:22026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-23 10:20:04
● 2026-07-26 16:39:02
○ 2026-07-27 04:02:00
○ 2026-08-14 04:38:48

○A2a03:2880:f380:8d:face:b00c:0:22026-08-04 → 2026-08-04 · 4 obs

○ 2026-08-04 21:24:06
● 2026-08-04 22:23:02
○ 2026-08-05 00:22:34
○ 2026-08-14 04:38:48

○A31.13.66.42026-07-09 → 2026-08-10 · 19 obs

○A31.13.80.82026-07-21 → 2026-07-29 · 8 obs

○ 2026-07-19 23:20:58
● 2026-07-21 14:58:08
○ 2026-07-21 18:07:18
● 2026-07-22 02:38:54
○ 2026-07-23 10:20:04
● 2026-07-29 03:22:34
○ 2026-07-31 02:41:12
○ 2026-08-14 04:38:48

○A57.144.172.1412026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-23 10:20:04
● 2026-07-26 16:39:02
○ 2026-07-27 04:02:00
○ 2026-08-14 04:38:48

○A57.144.74.1412026-07-19 → 2026-07-19 · 4 obs

○ 2026-07-09 20:32:40
● 2026-07-19 16:50:18
○ 2026-07-19 23:20:58
○ 2026-08-14 04:38:48

○A57.145.0.1412026-08-04 → 2026-08-04 · 4 obs

○ 2026-08-04 21:24:06
● 2026-08-04 22:23:02
○ 2026-08-05 00:22:34
○ 2026-08-14 04:38:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
facebookmail.com	a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com	8 records

✅ Authoritative Response

Server:129.134.31.12

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 facebookmail.com (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.13.66.4`
AAAA	1	`2a03:2880:f003:c07:face:b00c:0:2`
MX	1	`smtpin.vvv.facebook.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.facebook.com -all`
HTTPS	2	`{"priority":2,"target":"star.fallback.c1, {"priority":1,"target":".","alpn":["h2",`

📌 Glue Records Collected

Total: 8

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

Analysis

IP Addresses

fb.facebookmail.com resolves to the IP addresses 163.70.151.23 and 2a03:2880:f0a5:118:face:b00c:0:2

Among the host names that share IP numbers with fb.facebookmail.com are facebook.how, frebasix.net, facebookconx.net and two others.

Mail Servers

fb.facebookmail.com routes its mail through a single mail server, smtpin.vvv.facebook.com.

fb.facebookmail.com has the same mail server arrangement as a number of other domains, for example priority.instagram.com, groups.facebook.com, spamreport.facebook.com and two more.

The host smtpin.vvv.facebook.com resolves to 66.220.149.251 and 2a03:2880:ff:fffd:face:b00c:0:686e — two IP addresses.

fb.facebookmail.com - robtex.com