`instagram-cdn.com`

DNSSEC	⚠️ Not signed
NS	`a.ns.facebook.com` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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`

`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=1771291435

Same first word

instagram-cdn.com

DNS History

15 records (4 active, 11 former)

●NSa.ns.facebook.com2026-03-22 → 2026-03-22 · 3 obs

○ 2018-05-21 18:38:32
● 2026-03-22 17:34:58
● 2026-03-22 17:35:00

●NSb.ns.facebook.com2026-03-22 → 2026-03-22 · 3 obs

○ 2018-05-21 18:38:32
● 2026-03-22 17:34:58
● 2026-03-22 17:35:00

●NSc.ns.facebook.com2026-03-22 → 2026-03-22 · 3 obs

○ 2018-05-21 18:38:32
● 2026-03-22 17:34:58
● 2026-03-22 17:35:00

●NSd.ns.facebook.com2026-03-22 → 2026-03-22 · 3 obs

○ 2018-05-21 18:38:32
● 2026-03-22 17:34:58
● 2026-03-22 17:35:00

○NSns43.domaincontrol.com2018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

○NSns44.domaincontrol.com2018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

○A184.168.221.332018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

○A184.168.221.462018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

○A184.168.221.472018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

○A184.168.221.592018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

○A50.63.202.412018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

○A50.63.202.422018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

○A50.63.202.462018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

○A50.63.202.492018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

○A50.63.202.622018-05-21 → 2018-05-21 · 3 obs

● 2018-05-21 18:38:32
○ 2026-03-22 17:34:58
○ 2026-03-22 17:35:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
instagram-cdn.com	a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com	8 records

✅ Authoritative Response

Server: 185.89.218.12

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 instagram-cdn.com (unsigned zone)

⏱️ Timing

Total: 140ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 8

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

Analysis

Name Servers

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

instagram-cdn.com shares some name servers with other domains, for example faceboock.cl, fbgameroom.net, 2-ee.com, csfellow.com and 94.13.31.in-addr.arpa.

Host names with two IP numbers

Two IPs per host:

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

instagram-cdn.com - robtex.com