facebook.cloud - dns.ninja

`facebook.cloud`

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.}
NS	`a.ns.facebook.com` ⭐
		A	2a03:2880:f0fc:c:face:b00c:0:35^{🇺🇸 Facebook2a03:2880:f0fc::/48}
			PTR	`a.ns.facebook.com`
		A	129.134.30.12^{🇺🇸 Facebook129.134.30.0/24 , Inc.}
			PTR	`a.ns.facebook.com`
NS	`b.ns.facebook.com`
		A	2a03:2880:f0fd:c:face:b00c:0:35^{🇺🇸 Facebook2a03:2880:f0fd::/48}
			PTR	`b.ns.facebook.com`
		A	129.134.31.12^{🇺🇸 Facebook129.134.31.0/24 , Inc.}
			PTR	`b.ns.facebook.com`
NS	`c.ns.facebook.com`
		A	2a03:2880:f1fc:c:face:b00c:0:35^{🇺🇸 Facebook2a03:2880:f1fc::/48}
			PTR	`c.ns.facebook.com`
		A	185.89.218.12^{🇮🇱 Facebook185.89.218.0/24}
			PTR	`c.ns.facebook.com`
NS	`d.ns.facebook.com`
		A	2a03:2880:f1fd:c:face:b00c:0:35^{🇺🇸 Facebook2a03:2880:f1fd::/48}
			PTR	`d.ns.facebook.com`
		A	185.89.219.12^{🇮🇱 Facebook185.89.219.0/24}
			PTR	`d.ns.facebook.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/2, HTTP/3
HTTPS	HTTP/2, HTTP/3
SOA	`a.ns.facebook.com`dns@facebook.com serial=4207849484

`cloud`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1784498128

Subdomains

www.facebook.cloud

Same first word

facebook.gl

facebook.li

facebook.co.id

facebook.ca

facebook.lv

facebook.sg

facebook.jobs

facebook.co.nz

facebook.bot

facebook.jp

facebook.my

facebook.floripa.br

facebook.lgbt

facebook.ir

facebook.new

facebook.com.lv

facebook.design

facebook.id

facebook.bsb.br

facebook.com.ms

facebook.ro

facebook.sc

facebook.cricket

facebook.je

facebook.asia

facebook.alsace

facebook.kiev.ua

facebook.co

facebook.trade

facebook.click

facebook.ski

facebook.gm

facebook.ie

facebook.net.ly

facebook.adult

facebook.cc

facebook.ph

facebook.ar

facebook.kim

facebook.black

facebook.fish

facebook.com.ve

facebook.com.ht

facebook.rs

facebook.com.af

facebook.cn

facebook.net.pk

facebook.mk

facebook.sm

facebook.college

facebook.la

facebook.co.im

facebook.com.my

facebook.amsterdam

facebook.nu

facebook.com.tn

facebook.pl

facebook.tel

facebook.ax

facebook.no

facebook.cam

facebook.esp.br

facebook.com.pk

facebook.com.sv

facebook.ec

facebook.sn

facebook.bg

facebook.shop

facebook.ug

facebook.autos

facebook.fi

facebook.cnt.br

facebook.bhz.br

facebook.co.kr

facebook.audio

facebook.gent

facebook.com.pr

facebook.mo.cn

facebook.career

facebook.at

facebook.co.il

facebook.fr

facebook.ly

facebook.in

facebook.date

facebook.ms

facebook.com.ng

facebook.dev.br

facebook.co.bi

facebook.icu

facebook.best

facebook.tk

facebook.london

facebook.ink

facebook.eu.com

facebook.cologne

facebook.ru

facebook.com.co

facebook.onl

facebook.bid

facebook.co.nl

facebook.webcam

facebook.com.eg

facebook.vc

facebook.hk

facebook.org

facebook.brussels

facebook.mw

facebook.al

facebook.curitiba.br

facebook.com.pt

facebook.vi

facebook.bet

facebook.sk

facebook.to

facebook.vu

facebook.cloud

facebook.ae

facebook.bar

facebook.gr

facebook.gal

facebook.com.pe

facebook.lat

facebook.net.nz

facebook.makeup

facebook.co.jp

facebook.pink

facebook.com.es

Similar names

facebook.abc.br

facebook.campinas.br

facebook.co.uk

facebook.net.in

facebook.ke

facebook.eu

facebook.yt

koobecaf.ch

bookface.site

facebook.gp

facebook.com.sd

facebook.com.cn

facebook.com.gp

facebook.com.bi

facebook.pk

facebook.boston

facebook.photo

bookface.no

facebook.info.pl

facebook.cim.br

facebook.lt

facebook.ua

facebook.cd

bookface.com

facebook.space

facebook.download

facebook.tl

bookface.ru

facebook.flog.br

facebook.krakow.pl

facebook.doctor

facebook.hn

faceobok.pl

facebook.dm

facebook.ooo

facebook.caxias.br

faceobok.com

facebook.se

bookface.ca

facebook.co.th

facebook.com.py

facebook.hk.com

bookcafe.co.in

cafebook.vn

bookcafe.se

bookface.ir

cafebook.de

faceoobk.com

bookcafe.cz

bookcafe.jp

bookcafe.de

facekoob.ir

faebookc.com

faecbook.org

bookface.it

bookface.me

bookcafe.in

bookcafe.net

bookcafe.ru

bookface.online

facbeook.com

koobecaf.com

feacbook.de

bookface.co.il

bookface.de

bookface.eu

DNS History

29 records (6 active, 23 former)

●NSa.ns.facebook.com2026-02-16 → 2026-07-19 · 2 obs

● 2026-02-16 13:25:30
● 2026-07-19 22:26:44

●NSb.ns.facebook.com2026-02-16 → 2026-07-19 · 2 obs

● 2026-02-16 13:25:30
● 2026-07-19 22:26:44

●NSc.ns.facebook.com2026-02-16 → 2026-07-19 · 2 obs

● 2026-02-16 13:25:30
● 2026-07-19 22:26:44

●NSd.ns.facebook.com2026-02-16 → 2026-07-19 · 2 obs

● 2026-02-16 13:25:30
● 2026-07-19 22:26:44

○A157.240.11.172026-03-29 → 2026-04-02 · 10 obs

○ 2026-03-28 12:25:42
● 2026-03-29 12:38:46
○ 2026-03-29 14:06:22
● 2026-03-29 15:42:56
● 2026-03-30 00:15:16
○ 2026-03-31 23:51:24
○ 2026-04-01 18:54:46
● 2026-04-02 14:29:02
○ 2026-04-03 02:11:12
○ 2026-07-19 22:26:44

○A157.240.214.12026-02-16 → 2026-06-10 · 41 obs

● 2026-02-16 13:25:30
● 2026-02-18 23:29:16
○ 2026-02-20 10:27:32
○ 2026-02-24 16:27:28
● 2026-02-24 23:37:24
● 2026-02-25 05:42:26
○ 2026-02-25 21:43:12
○ 2026-03-11 01:32:56
● 2026-03-11 07:34:40
○ 2026-03-11 08:09:48
○ 2026-03-12 05:23:54
● 2026-03-12 07:03:36
○ 2026-03-12 20:22:36
○ 2026-03-16 19:53:08
● 2026-03-17 20:02:22
○ 2026-03-20 23:09:40
○ 2026-04-06 14:02:02
● 2026-04-07 23:58:46
○ 2026-04-08 15:48:50
○ 2026-04-09 04:36:44
● 2026-04-09 08:36:24
● 2026-04-09 15:32:08
○ 2026-04-10 16:54:56
○ 2026-05-16 10:42:18
● 2026-05-17 16:00:42
○ 2026-05-22 22:15:06
● 2026-05-24 17:28:24
○ 2026-05-24 21:53:10
● 2026-05-27 14:27:54
○ 2026-05-29 03:27:54
● 2026-05-29 05:23:56
○ 2026-05-31 10:18:52
● 2026-06-02 13:17:58
○ 2026-06-03 14:03:56
○ 2026-06-04 13:19:36
● 2026-06-04 14:17:00
○ 2026-06-04 21:32:10
○ 2026-06-08 16:10:38
● 2026-06-10 00:46:44
○ 2026-06-10 03:31:36
○ 2026-07-19 22:26:44

○A157.240.241.172026-06-08 → 2026-07-04 · 6 obs

○ 2026-06-07 02:19:36
● 2026-06-08 06:55:02
○ 2026-06-08 08:48:56
● 2026-07-04 19:49:02
○ 2026-07-08 00:31:08
○ 2026-07-19 22:26:44

○A163.70.151.232026-02-24 → 2026-05-05 · 38 obs

○ 2026-02-24 07:20:26
● 2026-02-24 16:27:28
○ 2026-02-24 23:37:24
○ 2026-03-08 20:53:58
● 2026-03-09 20:00:42
○ 2026-03-10 07:22:30
○ 2026-03-12 20:22:36
● 2026-03-12 21:53:36
○ 2026-03-13 18:57:30
● 2026-03-14 06:52:20
● 2026-03-16 19:53:08
○ 2026-03-17 20:02:22
● 2026-03-20 23:09:40
● 2026-03-27 01:27:14
○ 2026-03-27 01:57:20
● 2026-03-28 12:25:42
○ 2026-03-29 12:38:46
○ 2026-03-30 00:15:16
● 2026-03-31 23:51:24
● 2026-04-01 09:16:46
○ 2026-04-01 17:37:08
○ 2026-04-03 02:11:12
● 2026-04-04 06:36:00
○ 2026-04-04 17:56:46
● 2026-04-05 20:54:02
○ 2026-04-06 00:22:42
● 2026-04-06 14:02:02
○ 2026-04-07 23:58:46
○ 2026-04-10 16:54:56
● 2026-04-11 22:30:50
○ 2026-04-16 00:08:50
○ 2026-04-25 19:56:24
● 2026-04-26 14:54:46
○ 2026-04-30 01:17:20
○ 2026-05-02 19:23:18
● 2026-05-05 12:02:48
○ 2026-05-09 03:05:04
○ 2026-07-19 22:26:44

●A2a03:2880:f003:c07:face:b00c:0:22026-02-22 → 2026-07-19 · 91 obs

○ 2026-02-16 13:25:30
○ 2026-02-20 10:27:32
● 2026-02-22 16:04:30
○ 2026-02-22 18:30:34
○ 2026-02-23 18:18:30
● 2026-02-23 20:27:02
○ 2026-02-23 23:52:50
○ 2026-02-24 05:48:42
● 2026-02-24 07:20:26
○ 2026-02-24 16:27:28
○ 2026-02-25 05:42:26
● 2026-02-25 21:43:12
● 2026-02-26 18:28:36
○ 2026-02-27 19:46:28
● 2026-02-28 19:05:08
○ 2026-03-04 10:19:32
○ 2026-03-04 19:30:22
● 2026-03-04 22:16:46
● 2026-03-08 16:24:28
○ 2026-03-08 20:53:58
○ 2026-03-10 07:22:30
● 2026-03-11 01:32:56
○ 2026-03-11 07:34:40
● 2026-03-11 08:09:48
● 2026-03-11 09:12:46
○ 2026-03-11 09:52:46
● 2026-03-11 16:17:42
○ 2026-03-12 05:23:54
○ 2026-03-12 07:03:36
● 2026-03-12 20:22:36
○ 2026-03-12 21:53:36
● 2026-03-13 18:57:30
○ 2026-03-14 06:52:20
○ 2026-03-27 01:27:14
● 2026-03-27 01:57:20
○ 2026-03-28 12:25:42
○ 2026-04-01 09:16:46
● 2026-04-01 17:37:08
○ 2026-04-01 18:54:46
○ 2026-04-11 22:30:50
● 2026-04-16 00:08:50
● 2026-04-16 00:45:34
○ 2026-04-17 19:47:24
● 2026-04-25 17:31:42
● 2026-04-25 19:56:24
○ 2026-04-26 14:54:46
○ 2026-05-02 06:52:12
● 2026-05-02 13:46:02
● 2026-05-02 19:23:18
○ 2026-05-05 12:02:48
○ 2026-05-10 04:39:08
● 2026-05-11 09:42:02
○ 2026-05-12 00:22:14
○ 2026-05-17 16:00:42
● 2026-05-22 22:15:06
○ 2026-05-24 17:28:24
● 2026-05-24 21:53:10
○ 2026-05-27 14:27:54
● 2026-05-29 03:27:54
○ 2026-05-29 05:23:56
● 2026-05-31 10:18:52
○ 2026-06-02 13:17:58
● 2026-06-03 14:03:56
● 2026-06-04 13:19:36
○ 2026-06-04 14:17:00
● 2026-06-04 21:32:10
● 2026-06-06 03:19:42
○ 2026-06-07 02:19:36
○ 2026-06-10 00:46:44
● 2026-06-10 03:31:36
● 2026-06-13 01:36:30
○ 2026-06-15 02:43:26
● 2026-06-15 11:38:56
○ 2026-06-17 13:59:42
● 2026-06-17 17:00:18
○ 2026-06-18 16:42:22
● 2026-06-20 12:21:10
○ 2026-06-22 18:05:48
● 2026-06-23 04:06:38
○ 2026-06-23 11:22:04
● 2026-06-24 23:23:40
○ 2026-06-26 18:04:30
● 2026-06-29 02:52:46
○ 2026-06-29 20:30:44
● 2026-06-30 11:58:38
○ 2026-07-04 19:49:02
● 2026-07-08 05:34:48
○ 2026-07-16 13:23:52
● 2026-07-17 23:48:02
○ 2026-07-19 16:50:12
● 2026-07-19 22:26:44

○A2a03:2880:f00d:110:face:b00c:0:22026-03-29 → 2026-04-02 · 10 obs

○A2a03:2880:f012:1:face:b00c:0:12026-02-20 → 2026-06-08 · 43 obs

○ 2026-02-18 23:29:16
● 2026-02-20 10:27:32
○ 2026-02-22 16:04:30
● 2026-02-22 18:30:34
● 2026-02-23 18:18:30
○ 2026-02-23 20:27:02
○ 2026-02-26 18:28:36
● 2026-02-27 19:46:28
○ 2026-02-28 19:05:08
● 2026-03-04 10:19:32
○ 2026-03-04 13:00:48
● 2026-03-04 19:30:22
○ 2026-03-04 22:16:46
○ 2026-03-08 16:24:28
● 2026-03-08 20:53:58
○ 2026-03-09 20:00:42
○ 2026-03-29 12:38:46
● 2026-03-29 14:06:22
○ 2026-03-29 15:42:56
○ 2026-04-01 17:37:08
● 2026-04-01 18:54:46
○ 2026-04-02 14:29:02
○ 2026-04-04 06:36:00
● 2026-04-04 17:56:46
○ 2026-04-05 20:54:02
● 2026-04-06 00:22:42
○ 2026-04-06 14:02:02
○ 2026-04-07 23:58:46
● 2026-04-08 15:48:50
○ 2026-04-09 04:36:44
○ 2026-04-09 15:32:08
● 2026-04-10 16:54:56
○ 2026-04-11 22:30:50
○ 2026-04-16 00:45:34
● 2026-04-17 19:47:24
○ 2026-04-25 17:31:42
○ 2026-05-12 00:22:14
● 2026-05-16 10:42:18
○ 2026-05-17 16:00:42
○ 2026-06-08 08:48:56
● 2026-06-08 09:19:06
○ 2026-06-08 16:10:38
○ 2026-07-19 22:26:44

○A2a03:2880:f012:100:face:b00c:0:22026-06-08 → 2026-07-04 · 6 obs

○ 2026-06-07 02:19:36
● 2026-06-08 06:55:02
○ 2026-06-08 08:48:56
● 2026-07-04 19:49:02
○ 2026-07-08 00:31:08
○ 2026-07-19 22:26:44

○A2a03:2880:f031:12:face:b00c:0:22026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-02 14:29:02
● 2026-04-03 02:11:12
○ 2026-04-04 06:36:00
○ 2026-07-19 22:26:44

○A2a03:2880:f032:11:face:b00c:0:22026-06-07 → 2026-06-08 · 8 obs

○ 2026-06-06 03:19:42
● 2026-06-07 02:19:36
○ 2026-06-08 06:55:02
● 2026-06-08 08:48:56
○ 2026-06-08 09:19:06
● 2026-06-08 16:10:38
○ 2026-06-10 00:46:44
○ 2026-07-19 22:26:44

○A2a03:2880:f058:100:face:b00c:0:22026-02-16 → 2026-06-10 · 41 obs

○A2a03:2880:f0a5:118:face:b00c:0:22026-02-24 → 2026-05-05 · 38 obs

○A2a03:2880:f319:8d:face:b00c:0:22026-07-08 → 2026-07-08 · 4 obs

○ 2026-07-04 19:49:02
● 2026-07-08 00:31:08
○ 2026-07-08 05:34:48
○ 2026-07-19 22:26:44

○A2a03:2880:f31d:8d:face:b00c:0:22026-07-19 → 2026-07-19 · 3 obs

○ 2026-07-17 23:48:02
● 2026-07-19 16:50:12
○ 2026-07-19 22:26:44

○A2a03:2880:f365:8d:face:b00c:0:22026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-08 15:48:50
● 2026-04-09 04:36:44
○ 2026-04-09 08:36:24
○ 2026-07-19 22:26:44

○A2a03:2880:f377:8d:face:b00c:0:22026-05-12 → 2026-06-29 · 15 obs

○ 2026-05-11 09:42:02
● 2026-05-12 00:22:14
○ 2026-05-16 10:42:18
○ 2026-06-13 01:36:30
● 2026-06-15 02:43:26
○ 2026-06-15 11:38:56
● 2026-06-17 13:59:42
○ 2026-06-17 17:00:18
● 2026-06-18 16:42:22
○ 2026-06-20 12:21:10
● 2026-06-26 18:04:30
○ 2026-06-29 02:52:46
● 2026-06-29 20:30:44
○ 2026-06-30 11:58:38
○ 2026-07-19 22:26:44

○A2a03:2880:f380:8d:face:b00c:0:22026-02-23 → 2026-07-16 · 30 obs

○ 2026-02-23 20:27:02
● 2026-02-23 23:52:50
● 2026-02-24 05:48:42
○ 2026-02-24 07:20:26
○ 2026-03-04 10:19:32
● 2026-03-04 13:00:48
○ 2026-03-04 19:30:22
○ 2026-03-09 20:00:42
● 2026-03-10 07:22:30
○ 2026-03-11 01:32:56
○ 2026-03-11 09:12:46
● 2026-03-11 09:52:46
○ 2026-03-11 16:17:42
● 2026-03-12 05:23:54
○ 2026-03-12 07:03:36
○ 2026-04-26 14:54:46
● 2026-04-30 01:17:20
● 2026-05-02 06:52:12
○ 2026-05-02 13:46:02
○ 2026-05-05 12:02:48
● 2026-05-09 03:05:04
● 2026-05-10 04:39:08
○ 2026-05-11 09:42:02
● 2026-06-22 18:05:48
○ 2026-06-23 04:06:38
● 2026-06-23 11:22:04
○ 2026-06-24 23:23:40
● 2026-07-16 13:23:52
○ 2026-07-17 23:48:02
○ 2026-07-19 22:26:44

●A31.13.66.42026-02-22 → 2026-07-19 · 91 obs

○A31.13.71.12026-02-20 → 2026-06-08 · 44 obs

○ 2026-02-18 23:29:16
● 2026-02-20 10:27:32
○ 2026-02-22 16:04:30
● 2026-02-22 18:30:34
● 2026-02-23 18:18:30
○ 2026-02-23 20:27:02
○ 2026-02-26 18:28:36
● 2026-02-27 19:46:28
○ 2026-02-28 19:05:08
● 2026-03-04 10:19:32
○ 2026-03-04 13:00:48
● 2026-03-04 19:30:22
○ 2026-03-04 22:16:46
○ 2026-03-08 16:24:28
● 2026-03-08 20:53:58
○ 2026-03-09 20:00:42
○ 2026-03-29 12:38:46
● 2026-03-29 14:06:22
○ 2026-03-29 15:42:56
○ 2026-04-01 17:37:08
● 2026-04-01 18:54:46
○ 2026-04-02 14:29:02
● 2026-04-03 02:11:12
○ 2026-04-04 06:36:00
● 2026-04-04 17:56:46
○ 2026-04-05 20:54:02
● 2026-04-06 00:22:42
○ 2026-04-06 14:02:02
○ 2026-04-07 23:58:46
● 2026-04-08 15:48:50
○ 2026-04-09 04:36:44
○ 2026-04-09 15:32:08
● 2026-04-10 16:54:56
○ 2026-04-11 22:30:50
○ 2026-04-16 00:45:34
● 2026-04-17 19:47:24
○ 2026-04-25 17:31:42
○ 2026-05-12 00:22:14
● 2026-05-16 10:42:18
○ 2026-05-17 16:00:42
○ 2026-06-08 08:48:56
● 2026-06-08 09:19:06
○ 2026-06-08 16:10:38
○ 2026-07-19 22:26:44

○A31.13.73.182026-06-07 → 2026-06-08 · 8 obs

○ 2026-06-06 03:19:42
● 2026-06-07 02:19:36
○ 2026-06-08 06:55:02
● 2026-06-08 08:48:56
○ 2026-06-08 09:19:06
● 2026-06-08 16:10:38
○ 2026-06-10 00:46:44
○ 2026-07-19 22:26:44

○A57.144.202.1412026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-08 15:48:50
● 2026-04-09 04:36:44
○ 2026-04-09 08:36:24
○ 2026-07-19 22:26:44

○A57.144.238.1412026-05-12 → 2026-06-29 · 15 obs

○A57.144.62.1412026-07-08 → 2026-07-08 · 4 obs

○ 2026-07-04 19:49:02
● 2026-07-08 00:31:08
○ 2026-07-08 05:34:48
○ 2026-07-19 22:26:44

○A57.144.74.1412026-07-19 → 2026-07-19 · 3 obs

○ 2026-07-17 23:48:02
● 2026-07-19 16:50:12
○ 2026-07-19 22:26:44

○A57.145.0.1412026-02-23 → 2026-07-16 · 30 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cloud	ns01.trs-dns.net, ns10.trs-dns.info, ns01.trs-dns.com, ns10.trs-dns.org	-
facebook.cloud	d.ns.facebook.com, b.ns.facebook.com, a.ns.facebook.com, c.ns.facebook.com	-

✅ Authoritative Response

Server:185.89.219.12

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for facebook.cloud (unsigned zone)

⏱️ Timing

Total: 567ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.13.66.4`
AAAA	1	`2a03:2880:f003:c07:face:b00c:0:2`
NS	4	`d.ns.facebook.com, a.ns.facebook.com...`
TXT	1	`v=spf1 -all`
HTTPS	2	`{"priority":2,"target":"star.fallback.c1, {"priority":1,"target":".","alpn":["h2",`
SOA	1	`a.ns.facebook.com dns.facebook.com`

Analysis

Hierarchy

facebook.cloud serves as the parent of www.facebook.cloud.

IP Addresses

facebook.cloud resolves to the IP addresses 31.13.66.4 and 2a03:2880:f003:c07:face:b00c:0:2

facebookdownloader.com, fesebook.com, onepoint.com and two other host names share IP numbers with facebook.cloud.

Name Servers

The authoritative name servers for facebook.cloud are a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and d.ns.facebook.com.

facebook.cloud has at least partial name server overlap with other domains, such as instagramdirect.info, facebookco.uk, insitagram.com and two others.

a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and d.ns.facebook.com all point to exactly two IP numbers each: a.ns.facebook.com → 129.134.30.12 and 2a03:2880:f0fc:c:face:b00c:0:35; b.ns.facebook.com → 129.134.31.12 and 2a03:2880:f0fd:c:face:b00c:0:35; c.ns.facebook.com → 185.89.218.12 and 2a03:2880:f1fc:c:face:b00c:0:35; d.ns.facebook.com → 185.89.219.12 and 2a03:2880:f1fd:c:face:b00c:0:35.