json.is-a.dev - dns.ninja

json.is-a.dev

DNSSEC⚠️ Not signed
A2606:4700::6812:467🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:567🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.4.103Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.5.103Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.18.4.103, 104.18.5.103
IPv6 hints2606:4700::6812:467, 2606:4700::6812:567

is-a.dev

DNSSEC🔒 Signed (DS record present)
A2606:4700::6812:467🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:567🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.4.103Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.5.103Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSns1.is-a.dev ⭐
NSns2.is-a.dev
NSns3.is-a.dev
NSns4.is-a.dev
MXroute1.mx.cloudflare.net ⭐
MXroute3.mx.cloudflare.net(36)
MXroute2.mx.cloudflare.net(62)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.18.4.103, 104.18.5.103
IPv6 hints2606:4700::6812:467, 2606:4700::6812:567
SOAns1.is-a.devdns@cloudflare.com serial=2410160553
rank #110003 globally
rank #95 in the tld

is-a.dev

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: #126,531

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DNS History

4 records (4 active, 0 former)

A104.18.4.103104.18.5.1032606:4700::6812:4672606:4700::6812:567
●A104.18.4.1032026-02-16 → 2026-07-21 · 2 obs
● 2026-02-16 04:11:26
● 2026-07-21 23:10:12
●A104.18.5.1032026-02-16 → 2026-07-21 · 2 obs
● 2026-02-16 04:11:26
● 2026-07-21 23:10:12
●A2606:4700::6812:4672026-02-16 → 2026-07-21 · 2 obs
● 2026-02-16 04:11:26
● 2026-07-21 23:10:12
●A2606:4700::6812:5672026-02-16 → 2026-07-21 · 2 obs
● 2026-02-16 04:11:26
● 2026-07-21 23:10:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
is-a.devns1.is-a.dev, ns3.is-a.dev, ns4.is-a.dev, ns2.is-a.dev8 records

✅ Authoritative Response

Server:162.159.6.249

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 325ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.4.103, 104.18.5.103
AAAA22606:4700::6812:567, 2606:4700::6812:467
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns2.is-a.dev, ns2.is-a.dev, ns4.is-a.dev...)

Analysis

IP Addresses

json.is-a.dev resolves to four IP addresses: 104.18.4.103, 104.18.5.103, 2606:4700::6812:467 and 2606:4700::6812:567.

Additional host names — speedwaymotorsports.com, fa888.tw, blocks-ninjapanel.tseng.cfdata.org and two others — share IP numbers with json.is-a.dev.