fbinc.com - dns.ninja

`fbinc.com`

DNSSEC	⚠️ Not signed
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 a ~all`
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=1782724970

📈 Tranco rank: #913,669

Same first word

fbinc.md

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DNS History

4 records (4 active, 0 former)

●NSa.ns.facebook.com2026-02-27 → 2026-06-29 · 2 obs

● 2026-02-27 16:23:24
● 2026-06-29 09:44:48

●NSb.ns.facebook.com2026-02-27 → 2026-06-29 · 2 obs

● 2026-02-27 16:23:24
● 2026-06-29 09:44:48

●NSc.ns.facebook.com2026-02-27 → 2026-06-29 · 2 obs

● 2026-02-27 16:23:24
● 2026-06-29 09:44:48

●NSd.ns.facebook.com2026-02-27 → 2026-06-29 · 2 obs

● 2026-02-27 16:23:24
● 2026-06-29 09:44:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net...	-
fbinc.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 fbinc.com (unsigned zone)

⏱️ Timing

Total: 505ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`c.ns.facebook.com, b.ns.facebook.com...`
TXT	1	`v=spf1 a ~all`
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

Name Servers

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

fbinc.com partially shares its NS delegation with several other domains, including f8.com, instagram.global, bfacebook.de 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.