java.is-a.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`java.is-a.dev`

	CNAME	`javascript-void0.github.io`
	DNSSEC	⚠️ Not signed
	A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
	A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
	A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
	A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}

is-a.dev is a free service that lets developers claim a personalized subdomain (e.g.yourname.is-a.dev) by submitting a pull request to a public GitHub repository. It is run as an open-source, community-driven project rather than a commercial company.

Key facts

Owner / operator: is-a.dev project maintainers (open-source community, hosted via GitHub)
TLD:.dev— gTLD (Google-operated, HSTS-preloaded)
Primary purpose: free subdomain hosting/registration for developer projects and personal sites
Status: active

Notable subdomains or services

yourname.is-a.dev— custom subdomains issued to individual users/projects via GitHub pull request, typically pointed at personal sites, portfolios, or other hosting services

📈 Tranco rank: #112,663

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●CNAMEjavascript-void0.github.io2026-10-04 → 2026-10-09 · 2 obs

● 2026-10-04 10:11:02
● 2026-10-09 16:56:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	10 records
is-a.dev	ns3.is-a.dev, ns2.is-a.dev, ns1.is-a.dev, ns4.is-a.dev	8 records

✅ Authoritative Response

Server:162.159.4.237

NS records: ns3.is-a.dev, ns2.is-a.dev, ns1.is-a.dev, ns4.is-a.dev

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2342ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`javascript-void0.github.io`

📌 Glue Records Collected

Total: 18

In-bailiwick: 8 (ns1.is-a.dev, ns1.is-a.dev, ns3.is-a.dev...)

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

java.is-a.dev resolves to 8 IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 other.

Additional host names — masonhawks.dev, omnitrixtechnologies.com, laoisanglingcentre.ie and two others — share IP numbers with java.is-a.dev.

	DNSSEC	🔒 Signed (DS record present)
	A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
	A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
	A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
	A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
	A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
	NS	`ns1.is-a.dev` ⭐
	NS	`ns2.is-a.dev`
	NS	`ns3.is-a.dev`
	NS	`ns4.is-a.dev`
	MX	`route1.mx.cloudflare.net` ⭐
	MX	`route3.mx.cloudflare.net`⁽³⁶⁾
	MX	`route2.mx.cloudflare.net`⁽⁶²⁾
	TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
	SOA	`ns1.is-a.dev`dns@cloudflare.com serial=2417050232