`facebook4business.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=1777090051

Same first word

facebook4business.com

DNS History

14 records (6 active, 8 former)

●NSa.ns.facebook.com2026-02-28 → 2026-04-25 · 2 obs

● 2026-02-28 08:36:00
● 2026-04-25 04:08:44

●NSb.ns.facebook.com2026-02-28 → 2026-04-25 · 2 obs

● 2026-02-28 08:36:00
● 2026-04-25 04:08:44

●NSc.ns.facebook.com2026-02-28 → 2026-04-25 · 2 obs

● 2026-02-28 08:36:00
● 2026-04-25 04:08:44

●NSd.ns.facebook.com2026-02-28 → 2026-04-25 · 2 obs

● 2026-02-28 08:36:00
● 2026-04-25 04:08:44

○A157.240.214.12026-03-04 → 2026-04-08 · 17 obs

○ 2026-03-02 22:11:46
● 2026-03-04 05:36:56
○ 2026-03-04 19:30:22
○ 2026-03-09 22:40:36
● 2026-03-11 07:34:32
○ 2026-03-11 16:17:44
○ 2026-03-11 20:33:30
● 2026-03-12 07:03:56
● 2026-03-12 15:54:22
○ 2026-03-12 21:49:08
○ 2026-03-17 00:42:06
● 2026-03-18 10:59:08
○ 2026-03-20 23:08:42
○ 2026-04-05 20:37:16
● 2026-04-08 16:13:46
○ 2026-04-10 16:55:04
○ 2026-04-25 04:08:44

○A163.70.151.232026-02-28 → 2026-04-24 · 55 obs

● 2026-02-28 08:36:00
○ 2026-02-28 16:24:32
○ 2026-02-28 20:37:54
● 2026-03-02 07:58:10
○ 2026-03-02 15:40:50
○ 2026-03-02 19:49:20
● 2026-03-02 22:11:46
○ 2026-03-04 05:36:56
○ 2026-03-04 22:17:16
● 2026-03-04 23:04:22
○ 2026-03-04 23:40:50
○ 2026-03-08 21:15:40
● 2026-03-09 20:00:02
● 2026-03-09 22:40:36
○ 2026-03-11 07:34:32
○ 2026-03-12 15:54:22
● 2026-03-12 21:49:08
● 2026-03-13 15:29:12
○ 2026-03-13 16:33:52
● 2026-03-13 18:29:18
○ 2026-03-13 19:32:08
○ 2026-03-13 21:25:56
● 2026-03-13 22:42:50
● 2026-03-15 14:56:08
○ 2026-03-16 09:35:34
● 2026-03-17 00:42:06
○ 2026-03-18 10:59:08
● 2026-03-20 23:08:42
● 2026-03-23 23:00:08
○ 2026-03-25 10:06:40
● 2026-03-25 23:37:40
● 2026-03-27 01:04:06
○ 2026-03-27 01:46:56
○ 2026-03-27 03:12:38
● 2026-03-28 07:32:42
○ 2026-03-29 20:12:48
● 2026-04-01 09:16:46
● 2026-04-02 22:58:06
○ 2026-04-03 04:12:04
● 2026-04-03 11:58:30
● 2026-04-04 06:31:38
○ 2026-04-04 17:55:32
○ 2026-04-05 06:06:08
● 2026-04-05 20:37:16
○ 2026-04-08 16:13:46
○ 2026-04-10 16:55:04
● 2026-04-11 20:05:36
○ 2026-04-12 18:29:04
○ 2026-04-12 22:02:42
● 2026-04-14 01:22:56
● 2026-04-15 23:35:06
○ 2026-04-16 00:07:30
○ 2026-04-17 20:22:14
● 2026-04-24 23:51:48
○ 2026-04-25 04:08:44

●A2a03:2880:f003:c07:face:b00c:0:22026-02-28 → 2026-04-25 · 36 obs

○ 2026-02-28 16:24:32
● 2026-02-28 18:44:58
● 2026-02-28 20:37:54
○ 2026-03-02 07:58:10
● 2026-03-02 15:40:50
● 2026-03-02 19:49:20
○ 2026-03-02 22:11:46
○ 2026-03-04 19:30:22
● 2026-03-04 22:17:16
○ 2026-03-04 23:04:22
● 2026-03-04 23:40:50
● 2026-03-08 21:15:40
○ 2026-03-09 20:00:02
○ 2026-03-11 07:34:32
● 2026-03-11 16:17:44
● 2026-03-11 20:33:30
○ 2026-03-12 07:03:56
○ 2026-03-13 15:29:12
● 2026-03-13 16:33:52
○ 2026-03-13 18:29:18
● 2026-03-13 19:32:08
● 2026-03-13 21:25:56
○ 2026-03-13 22:42:50
○ 2026-03-15 14:56:08
● 2026-03-16 09:35:34
○ 2026-03-17 00:42:06
○ 2026-03-27 01:04:06
● 2026-03-27 01:46:56
● 2026-03-27 03:12:38
○ 2026-03-28 07:32:42
○ 2026-04-15 23:35:06
● 2026-04-16 00:07:30
● 2026-04-17 17:55:48
○ 2026-04-17 18:28:26
○ 2026-04-24 23:51:48
● 2026-04-25 04:08:44

○A2a03:2880:f012:1:face:b00c:0:12026-02-28 → 2026-04-17 · 27 obs

○ 2026-02-28 08:36:00
● 2026-02-28 16:24:32
○ 2026-02-28 18:44:58
○ 2026-03-04 05:36:56
● 2026-03-04 19:30:22
○ 2026-03-04 22:17:16
○ 2026-03-28 07:32:42
● 2026-03-29 20:12:48
○ 2026-04-01 09:16:46
○ 2026-04-02 22:58:06
● 2026-04-03 04:12:04
○ 2026-04-03 11:58:30
○ 2026-04-04 06:31:38
● 2026-04-04 17:55:32
● 2026-04-05 06:06:08
○ 2026-04-05 20:37:16
○ 2026-04-08 16:13:46
● 2026-04-10 16:55:04
○ 2026-04-11 20:05:36
● 2026-04-12 18:29:04
● 2026-04-12 22:02:42
○ 2026-04-14 01:22:56
○ 2026-04-17 17:55:48
● 2026-04-17 18:28:26
● 2026-04-17 20:22:14
○ 2026-04-24 23:51:48
○ 2026-04-25 04:08:44

○A2a03:2880:f058:100:face:b00c:0:22026-03-04 → 2026-04-08 · 17 obs

○A2a03:2880:f0a5:118:face:b00c:0:22026-02-28 → 2026-04-24 · 55 obs

○A2a03:2880:f380:8d:face:b00c:0:22026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-23 23:00:08
● 2026-03-25 10:06:40
○ 2026-03-25 23:37:40
○ 2026-04-25 04:08:44

●A31.13.66.42026-02-28 → 2026-04-25 · 36 obs

○A31.13.71.12026-02-28 → 2026-04-17 · 27 obs

○A57.145.0.1412026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-23 23:00:08
● 2026-03-25 10:06:40
○ 2026-03-25 23:37:40
○ 2026-04-25 04:08:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
facebook4business.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 facebook4business.com (unsigned zone)

⏱️ Timing

Total: 281ms | 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, d.ns.facebook.com...`
TXT	1	`v=spf1 -all`
HTTPS	2	`{"priority":1,"target":".","alpn":["h2",, {"priority":2,"target":"star.fallback.c1`
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

facebook4business.com points to two IPs: 2a03:2880:f003:c07:face:b00c:0:2 and 31.13.66.4.

Other host names, for instance instagram.com.ee, workplace.com, messengerblog.com, instragam.com and facebook.sucks share IP numbers with facebook4business.com.

Name Servers

facebook4business.com is delegated to four name servers: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and d.ns.facebook.com.

facebook4business.com at least partially shares name servers with other domains such as facebook.click, 79.252.173.in-addr.arpa, nstagram.com, insagram.de and facebooklogin.me.

Host names with two IP numbers:

a.ns.facebook.com points to 2a03:2880:f0fc:c:face:b00c:0:35 and 129.134.30.12

b.ns.facebook.com points to 2a03:2880:f0fd:c:face:b00c:0:35 and 129.134.31.12

c.ns.facebook.com points to 2a03:2880:f1fc:c:face:b00c:0:35 and 185.89.218.12

d.ns.facebook.com points to 2a03:2880:f1fd:c:face:b00c:0:35 and 185.89.219.12

facebook4business.com - robtex.com