`facebookguidebook.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.}
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

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783150751

Same first word

facebookguidebook.com

DNS History

30 records (6 active, 24 former)

●NSa.ns.facebook.com2026-02-15 → 2026-07-04 · 2 obs

● 2026-02-15 10:12:54
● 2026-07-04 07:52:22

●NSb.ns.facebook.com2026-02-15 → 2026-07-04 · 2 obs

● 2026-02-15 10:12:54
● 2026-07-04 07:52:22

●NSc.ns.facebook.com2026-02-15 → 2026-07-04 · 2 obs

● 2026-02-15 10:12:54
● 2026-07-04 07:52:22

●NSd.ns.facebook.com2026-02-15 → 2026-07-04 · 2 obs

● 2026-02-15 10:12:54
● 2026-07-04 07:52:22

○A157.240.214.12026-02-15 → 2026-06-10 · 32 obs

○ 2026-02-15 10:12:54
● 2026-02-15 23:20:22
● 2026-02-17 13:15:12
○ 2026-02-20 13:16:48
○ 2026-02-24 16:27:10
● 2026-02-25 05:42:26
○ 2026-02-26 20:57:10
○ 2026-03-09 20:01:34
● 2026-03-11 07:35:00
○ 2026-03-11 18:40:00
○ 2026-03-11 20:47:34
● 2026-03-12 11:39:48
● 2026-03-12 15:55:04
○ 2026-03-12 21:56:18
○ 2026-03-14 15:25:36
● 2026-03-18 06:54:12
● 2026-03-18 11:00:18
○ 2026-03-19 23:17:50
○ 2026-04-08 15:48:50
● 2026-04-09 18:29:02
○ 2026-04-10 16:55:44
○ 2026-05-24 21:53:18
● 2026-05-27 14:30:04
● 2026-05-29 05:23:40
○ 2026-05-31 10:18:52
● 2026-06-03 10:24:34
○ 2026-06-03 16:44:34
○ 2026-06-08 15:14:28
● 2026-06-09 00:47:02
● 2026-06-10 07:09:02
○ 2026-06-10 18:47:50
○ 2026-07-04 07:52:22

○A157.240.241.172026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-07 02:20:52
● 2026-06-08 06:55:02
○ 2026-06-08 08:48:56
○ 2026-07-04 07:52:22

○A157.240.245.132026-02-15 → 2026-02-15 · 3 obs

● 2026-02-15 10:12:54
○ 2026-02-15 23:20:22
○ 2026-07-04 07:52:22

○A163.70.151.232026-02-20 → 2026-04-27 · 43 obs

○ 2026-02-17 13:15:12
● 2026-02-20 13:16:48
○ 2026-02-22 16:04:52
○ 2026-02-23 20:27:10
● 2026-02-24 16:27:10
○ 2026-02-25 05:42:26
○ 2026-03-02 20:03:30
● 2026-03-02 22:12:52
○ 2026-03-04 22:17:16
○ 2026-03-04 23:40:38
● 2026-03-09 20:01:34
○ 2026-03-11 07:35:00
○ 2026-03-12 15:55:04
● 2026-03-12 21:56:18
○ 2026-03-13 19:31:18
● 2026-03-13 21:49:12
● 2026-03-14 15:25:36
○ 2026-03-18 06:54:12
○ 2026-03-18 11:00:18
● 2026-03-19 23:17:50
● 2026-03-20 23:09:40
○ 2026-03-25 10:08:22
● 2026-03-27 01:04:26
○ 2026-03-27 01:48:58
○ 2026-03-27 03:14:50
● 2026-03-28 12:26:24
○ 2026-03-31 10:19:00
● 2026-04-03 12:00:10
● 2026-04-04 06:33:06
○ 2026-04-04 17:56:28
● 2026-04-05 20:54:12
● 2026-04-07 07:02:00
○ 2026-04-08 15:48:50
○ 2026-04-10 16:55:44
● 2026-04-11 22:44:50
○ 2026-04-16 00:08:20
○ 2026-04-25 17:31:42
● 2026-04-25 19:14:30
○ 2026-04-26 09:12:28
● 2026-04-26 14:56:14
● 2026-04-27 19:58:36
○ 2026-05-06 00:29:42
○ 2026-07-04 07:52:22

●A2a03:2880:f003:c07:face:b00c:0:22026-02-22 → 2026-07-04 · 61 obs

○ 2026-02-20 13:16:48
● 2026-02-22 16:04:52
○ 2026-02-22 18:40:58
○ 2026-02-22 20:18:54
● 2026-02-23 20:27:10
○ 2026-02-24 16:27:10
○ 2026-02-25 05:42:26
● 2026-02-26 20:57:10
● 2026-02-26 22:39:08
○ 2026-02-27 20:03:38
○ 2026-02-27 21:48:18
● 2026-02-28 19:15:32
● 2026-03-02 20:03:30
○ 2026-03-02 22:12:52
● 2026-03-04 22:17:16
● 2026-03-04 23:40:38
○ 2026-03-09 20:01:34
○ 2026-03-11 07:35:00
● 2026-03-11 18:40:00
● 2026-03-11 20:47:34
○ 2026-03-12 11:39:48
○ 2026-03-12 21:56:18
● 2026-03-13 19:31:18
○ 2026-03-13 21:49:12
○ 2026-03-27 01:04:26
● 2026-03-27 01:48:58
● 2026-03-27 03:14:50
○ 2026-03-28 12:26:24
○ 2026-04-11 22:44:50
● 2026-04-16 00:08:20
● 2026-04-16 00:42:06
○ 2026-04-17 19:47:24
● 2026-04-25 17:31:42
○ 2026-04-25 19:14:30
○ 2026-05-06 00:29:42
● 2026-05-07 00:28:38
○ 2026-05-12 00:21:58
● 2026-05-24 21:53:18
○ 2026-05-27 14:30:04
○ 2026-05-29 05:23:40
● 2026-05-31 10:18:52
○ 2026-06-03 10:24:34
● 2026-06-03 16:44:34
○ 2026-06-04 14:18:54
● 2026-06-05 22:48:24
○ 2026-06-06 03:14:54
● 2026-06-06 03:51:00
○ 2026-06-07 02:20:52
○ 2026-06-10 07:09:02
● 2026-06-10 18:47:50
● 2026-06-11 15:02:56
○ 2026-06-15 02:44:42
● 2026-06-15 11:38:56
● 2026-06-15 14:05:14
○ 2026-06-17 13:59:42
● 2026-06-17 17:19:34
○ 2026-06-18 16:43:46
● 2026-06-20 12:42:02
○ 2026-06-22 18:05:48
● 2026-07-02 23:26:26
● 2026-07-04 07:52:22

○A2a03:2880:f00d:1:face:b00c:0:12026-04-26 → 2026-04-26 · 4 obs

○ 2026-04-25 19:14:30
● 2026-04-26 09:12:28
○ 2026-04-26 14:56:14
○ 2026-07-04 07:52:22

○A2a03:2880:f012:1:face:b00c:0:12026-02-22 → 2026-06-08 · 27 obs

○ 2026-02-22 16:04:52
● 2026-02-22 18:40:58
● 2026-02-22 20:18:54
○ 2026-02-23 20:27:10
○ 2026-02-26 22:39:08
● 2026-02-27 20:03:38
● 2026-02-27 21:48:18
○ 2026-02-28 19:15:32
○ 2026-03-28 12:26:24
● 2026-03-31 10:19:00
○ 2026-04-03 12:00:10
○ 2026-04-04 06:33:06
● 2026-04-04 17:56:28
○ 2026-04-05 20:54:12
○ 2026-04-07 07:02:00
● 2026-04-08 15:48:50
○ 2026-04-09 18:29:02
● 2026-04-10 16:55:44
○ 2026-04-11 22:44:50
○ 2026-04-16 00:42:06
● 2026-04-17 19:47:24
○ 2026-04-25 17:31:42
○ 2026-06-08 08:48:56
● 2026-06-08 09:19:06
● 2026-06-08 15:14:28
○ 2026-06-09 00:47:02
○ 2026-07-04 07:52:22

○A2a03:2880:f012:100:face:b00c:0:22026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-07 02:20:52
● 2026-06-08 06:55:02
○ 2026-06-08 08:48:56
○ 2026-07-04 07:52:22

○A2a03:2880:f032:11:face:b00c:0:22026-06-07 → 2026-06-08 · 6 obs

○ 2026-06-06 03:51:00
● 2026-06-07 02:20:52
○ 2026-06-08 06:55:02
● 2026-06-08 08:48:56
○ 2026-06-08 09:19:06
○ 2026-07-04 07:52:22

○A2a03:2880:f058:100:face:b00c:0:22026-02-15 → 2026-06-10 · 32 obs

○A2a03:2880:f07e:e:face:b00c:0:22026-02-15 → 2026-02-15 · 3 obs

● 2026-02-15 10:12:54
○ 2026-02-15 23:20:22
○ 2026-07-04 07:52:22

○A2a03:2880:f0a5:118:face:b00c:0:22026-02-20 → 2026-04-27 · 43 obs

○A2a03:2880:f319:8d:face:b00c:0:22026-07-02 → 2026-07-02 · 4 obs

○ 2026-06-26 18:05:10
● 2026-07-02 00:22:30
○ 2026-07-02 23:26:26
○ 2026-07-04 07:52:22

○A2a03:2880:f32b:90:face:b00c:0:22026-02-15 → 2026-07-04 · 2 obs

○ 2026-02-15 10:12:54
○ 2026-07-04 07:52:22

○A2a03:2880:f36f:8d:face:b00c:0:22026-06-04 → 2026-06-06 · 6 obs

○ 2026-06-03 16:44:34
● 2026-06-04 14:18:54
○ 2026-06-05 22:48:24
● 2026-06-06 03:14:54
○ 2026-06-06 03:51:00
○ 2026-07-04 07:52:22

○A2a03:2880:f377:8d:face:b00c:0:22026-05-06 → 2026-06-26 · 16 obs

○ 2026-04-27 19:58:36
● 2026-05-06 00:29:42
○ 2026-05-07 00:28:38
● 2026-05-12 00:21:58
○ 2026-05-24 21:53:18
○ 2026-06-11 15:02:56
● 2026-06-15 02:44:42
○ 2026-06-15 11:38:56
○ 2026-06-15 14:05:14
● 2026-06-17 13:59:42
○ 2026-06-17 17:19:34
● 2026-06-18 16:43:46
○ 2026-06-20 12:42:02
● 2026-06-26 18:05:10
○ 2026-07-02 00:22:30
○ 2026-07-04 07:52:22

○A2a03:2880:f380:8d:face:b00c:0:22026-03-25 → 2026-06-22 · 6 obs

○ 2026-03-20 23:09:40
● 2026-03-25 10:08:22
○ 2026-03-27 01:04:26
● 2026-06-22 18:05:48
○ 2026-06-26 18:05:10
○ 2026-07-04 07:52:22

●A31.13.66.42026-02-22 → 2026-07-04 · 61 obs

○A31.13.70.12026-04-26 → 2026-04-26 · 4 obs

○ 2026-04-25 19:14:30
● 2026-04-26 09:12:28
○ 2026-04-26 14:56:14
○ 2026-07-04 07:52:22

○A31.13.71.12026-02-22 → 2026-06-08 · 27 obs

○A31.13.73.182026-06-07 → 2026-06-08 · 6 obs

○ 2026-06-06 03:51:00
● 2026-06-07 02:20:52
○ 2026-06-08 06:55:02
● 2026-06-08 08:48:56
○ 2026-06-08 09:19:06
○ 2026-07-04 07:52:22

○A57.144.104.1412026-02-15 → 2026-07-04 · 2 obs

○ 2026-02-15 10:12:54
○ 2026-07-04 07:52:22

○A57.144.222.1412026-06-04 → 2026-06-06 · 6 obs

○ 2026-06-03 16:44:34
● 2026-06-04 14:18:54
○ 2026-06-05 22:48:24
● 2026-06-06 03:14:54
○ 2026-06-06 03:51:00
○ 2026-07-04 07:52:22

○A57.144.238.1412026-05-06 → 2026-06-26 · 16 obs

○A57.144.62.1412026-07-02 → 2026-07-02 · 4 obs

○ 2026-06-26 18:05:10
● 2026-07-02 00:22:30
○ 2026-07-02 23:26:26
○ 2026-07-04 07:52:22

○A57.145.0.1412026-03-25 → 2026-06-22 · 6 obs

○ 2026-03-20 23:09:40
● 2026-03-25 10:08:22
○ 2026-03-27 01:04:26
● 2026-06-22 18:05:48
○ 2026-06-26 18:05:10
○ 2026-07-04 07:52:22

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:129.134.30.12

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 facebookguidebook.com (unsigned zone)

⏱️ Timing

Total: 1042ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.13.66.4`
AAAA	1	`2a03:2880:f003:c07:face:b00c:0:2`
NS	4	`c.ns.facebook.com, b.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`

📌 Glue Records Collected

Total: 8

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

Analysis

IP Addresses

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

Additional host names — face(0x626f6f62)ok.com, china-facebook.com, atdmt-ppe.com and two others — share IP numbers with facebookguidebook.com.

Name Servers

facebookguidebook.com has four authoritative name servers: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and d.ns.facebook.com.

facebookguidebook.com partially shares its NS delegation with several other domains, including 149.70.163.in-addr.arpa, instagram.ms, instagram.fm and two others.

a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and d.ns.facebook.com each carry two IP addresses. a.ns.facebook.com has 129.134.30.12 and 2a03:2880:f0fc:c:face:b00c:0:35; b.ns.facebook.com has 129.134.31.12 and 2a03:2880:f0fd:c:face:b00c:0:35; c.ns.facebook.com has 185.89.218.12 and 2a03:2880:f1fc:c:face:b00c:0:35; d.ns.facebook.com has 185.89.219.12 and 2a03:2880:f1fd:c:face:b00c:0:35.

facebookguidebook.com - robtex.com