57.87.githubusercontent.com - dns.ninja

`57.87.githubusercontent.com`

DNSSEC	⚠️ Not signed
A	185.199.108.133^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
		PTR	`cdn-185-199-108-133.github.com`
A	185.199.109.133^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.133^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.133^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}

`87.githubusercontent.com`

	DNSSEC	⚠️ Not signed
	A	185.199.108.133^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
	A	185.199.109.133^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
	A	185.199.110.133^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
	A	185.199.111.133^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}

Subdomains

29.57.87.githubusercontent.com

Same first word

57.net.cn

57.cl

57.si

57.media

57.dk

57.fi

57.lt

57.org.cn

57.by

57.org

57.com.hk

57.net

57.game

57.eu

57.nl

57.no

57.cc

57.hu

57.be

57.cn

57.sb

57.com.tw

57.digital

57.gg

57.vc

57.hk

57.in-addr.arpa

57.chat

57.la

57.am

57.de

57.ph

57.pl

57.amsterdam

57.com

57.ro

57.vg

57.pe

57.ai

57.world

57.cz

57.com.cn

57.cx

57.se

57.biz

Similar names

75.net

75.tel

75.nu

75.to

75.in-addr.arpa

75.wf

75.al

75.de

75.la

75.org

75.se

75.plus

75.network

75.ru

75.org.uk

75.world

75.net.cn

75.cz

75.co

75.gold

75.cc

75.no

75.su

75.fr

75.ms

75.amsterdam

75.cn

75.lv

75.lt

75.biz

75.chat

75.dk

75.co.za

75.nl

75.be

75.ag

75.pe

75.hk

75.ph

75.com

75.team

75.tv

75.pl

DNS History

4 records (4 active, 0 former)

●A185.199.108.1332026-02-15 → 2026-07-28 · 4 obs

● 2026-02-15 23:19:54
○ 2026-07-15 13:31:38
● 2026-07-15 15:29:20
● 2026-07-28 21:30:08

●A185.199.109.1332026-02-15 → 2026-07-28 · 4 obs

● 2026-02-15 23:19:54
○ 2026-07-15 13:31:38
● 2026-07-15 15:29:20
● 2026-07-28 21:30:08

●A185.199.110.1332026-02-15 → 2026-07-28 · 4 obs

● 2026-02-15 23:19:54
○ 2026-07-15 13:31:38
● 2026-07-15 15:29:20
● 2026-07-28 21:30:08

●A185.199.111.1332026-02-15 → 2026-07-28 · 4 obs

● 2026-02-15 23:19:54
○ 2026-07-15 13:31:38
● 2026-07-15 15:29:20
● 2026-07-28 21:30:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...	-
githubusercontent.com	ns-181.awsdns-22.com, ns-596.awsdns-10.net, ns-1867.awsdns-41.co.uk, ns-1411.awsdns-48.org...	2 records

✅ Authoritative Response

Server:205.251.197.131

NS records: ns-181.awsdns-22.com, ns-596.awsdns-10.net, ns-1867.awsdns-41.co.uk, ns-1411.awsdns-48.org, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for githubusercontent.com (unsigned zone)

⏱️ Timing

Total: 432ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.108.133, 185.199.109.133...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-181.awsdns-22.com, ns-181.awsdns-22.com)

Analysis

Hierarchy

57.87.githubusercontent.com serves as the parent of 29.57.87.githubusercontent.com.

IP Addresses

57.87.githubusercontent.com has four IP addresses: 185.199.108.133, 185.199.109.133, 185.199.110.133 and 185.199.111.133.

Additional host names — collector-cdn.github.com, 18.githubusercontent.com, 10.72.104.128raw.githubusercontent.com and two others — share IP numbers with 57.87.githubusercontent.com.