`facebookengineering.com`

DNSSEC	⚠️ Not signed
NS	`ns1.uniregistrymarket.link` ⚠️ Not in zone NS records
		A	13.248.213.45^{🇺🇸 Amazon13.248.208.0/20}
			PTR	`a67c48129651a0940.awsglobalaccelerator.com`
		A	76.223.67.189^{🇺🇸 Amazon76.223.64.0/20}
			PTR	`a67c48129651a0940.awsglobalaccelerator.com`
NS	`ns2.uniregistrymarket.link` ⚠️ Not in zone NS records
		A	13.248.213.45^{🇺🇸 Amazon13.248.208.0/20}
			PTR	`a67c48129651a0940.awsglobalaccelerator.com`
		A	76.223.67.189^{🇺🇸 Amazon76.223.64.0/20}
			PTR	`a67c48129651a0940.awsglobalaccelerator.com`

`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=1774531447

facebookengineering.com

facebookengineering.com is delegated to two name servers: ns1.uniregistrymarket.link and ns2.uniregistrymarket.link.

facebookengineering.com shares the same name server setup as amodule.com, eatnyc.info, audiobook.us, kea.ca and patchest.com.

facebookengineering.com shares name servers with other domains at least partially, for instance tintflow.com and dentistsfirst.com.

Host names with two IP numbers: