`perlprimer.sourceforge.net`

	CNAME	`projects.sourceforge.net.cdn.cloudflare.net`
	DNSSEC	⚠️ Not signed
	A	2606:4700::6812:c95^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	2606:4700::6812:d95^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	104.18.12.149^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	104.18.13.149^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`sourceforge.net`

	DNSSEC	⚠️ Not signed
	A	2606:4700::6812:c95^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	2606:4700::6812:d95^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	104.18.12.149^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	104.18.13.149^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	NS	`ns11.constellix.com` ⭐
	NS	`ns21.constellix.com`
	NS	`ns31.constellix.com`
	NS	`ns41.constellix.net`
	NS	`ns51.constellix.net`
	NS	`ns61.constellix.net`
	MX	`mx.sourceforge.net` ⭐
	TXT	`brave-ledger-verification=09845b65316c1613c72337595c391c4675fff6ae8923768232d...`
	TXT	`SourceForge, Inc.`
	TXT	`google-site-verification=HugCfmT_JOUQaz6xbszx1O9W3ccm_Dh5GiageK7egmM`
	TXT	`v=spf1 include:sparkpostmail.com include:servers.mcsv.net ip4:216.105.38.0/26...`
	TXT	`yandex-verification: eddadce308154a90`
	TXT	`abuseipdb-verification=dvyMFAir`
	TXT	`ca3-1594c24430d2487fad7bceaec2fa251f`
	TXT	`ca3-33e180a2afaa4c86951f4a8ad123e300`
	TXT	`ca3-8b7801430b214be99a3325aab5d0d899`
	TXT	`tollbit-domain-verification=bae1f5123238c200f3429dba2556501be81cc1ab0b0f06921...`
	SOA	`ns11.constellix.com`dns@constellix.com serial=2015014391

WOT: SAFE (93/100)
rank #80 globally
rank #2 in the tld
This domain name, "sourceforge.net", is a platform that offers developers a place to share and collaborate on their software projects. It is a community resource dedicated to helping open source projects be as successful as possible. Users can find, create, and publish open source software for free. The platform offers version control, bug tracking, requirements management, and other features.🔒 HSTS Preload (+subdomains)
WOT: SAFE (93/100)
📈 Tranco rank: #224

SourceForge

SourceForge is one of the world's largest open-source software hosting platforms and B2B software comparison marketplaces. Founded in 1999, it serves as both a repository for open-source projects and a discovery platform for business software. The site hosts over 500,000 software projects with 2.1 million registered users, serving nearly 20 million monthly visitors and facilitating approximately 2.6 million daily software downloads.

The platform operates under Slashdot Media and is headquartered in San Diego, California. It provides developers with version control, bug tracking, and distribution tools while offering businesses a comprehensive directory to compare software across 40+ categories including CRM, AI, healthcare, and blockchain solutions.

Infrastructure

Web Hosting: Cloudflare (104.18.12.149, 104.18.13.149)
DNS: Constellix managed nameservers (ns11-ns61.constellix.com/net) via Tiggee with global presence including US, Europe, and Japan
Mail: mx.sourceforge.net hosted by LightEdge (216.105.38.6)
DNSSEC: Unsigned

DNS History

8 records (1 active, 7 former)

○NSns11.constellix.com2026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 20:41:16

○NSns21.constellix.com2026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 20:41:16

○NSns31.constellix.com2026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 20:41:16

○NSns41.constellix.net2026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 20:41:16

○NSns51.constellix.net2026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 20:41:16

○NSns61.constellix.net2026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 20:41:16

○A216.34.181.962017-01-15 → 2017-01-15 · 2 obs

● 2017-01-15 07:10:14
○ 2026-05-09 20:41:16

●CNAMEprojects.sourceforge.net.cdn.cloudflare.net2026-05-09 → 2026-05-09 · 1 obs

● 2026-05-09 20:41:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sourceforge.net	ns11.constellix.com, ns51.constellix.net, ns41.constellix.net, ns21.constellix.com...	6 records

✅ Authoritative Response

Server:43.247.170.1

NS records: ns11.constellix.com, ns51.constellix.net, ns41.constellix.net, ns21.constellix.com, ns61.constellix.net, ns31.constellix.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sourceforge.net (unsigned zone)

⏱️ Timing

Total: 595ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`projects.sourceforge.net.cdn.cloudflare.`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns51.constellix.net, ns51.constellix.net, ns41.constellix.net...)

Analysis

IP Addresses

Four IP numbers are pointed to by perlprimer.sourceforge.net: 2606:4700::6812:c95, 2606:4700::6812:d95, 104.18.12.149 and 104.18.13.149.

other host names including antonio24.users.sourceforge.net, asemy.users.sourceforge.net, jakin44.users.sourceforge.net, mattpat.users.sourceforge.net and iamgorb.users.sourceforge.net share IP numbers with perlprimer.sourceforge.net.

perlprimer.sourceforge.net - robtex.com