json.is-a.dev - robtex.com

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=2403791640
rank #116838 globally
rank #92 in the tld
PASS📈 Tranco rank: #127,308

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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 → 2026-05-09 · 2 obs
● 2026-02-16 04:11:26
● 2026-05-09 07:37:10
●A104.18.5.1032026-02-16 → 2026-05-09 · 2 obs
● 2026-02-16 04:11:26
● 2026-05-09 07:37:10
●A2606:4700::6812:4672026-02-16 → 2026-05-09 · 2 obs
● 2026-02-16 04:11:26
● 2026-05-09 07:37:10
●A2606:4700::6812:5672026-02-16 → 2026-05-09 · 2 obs
● 2026-02-16 04:11:26
● 2026-05-09 07:37:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
is-a.devns4.is-a.dev, ns3.is-a.dev, ns2.is-a.dev, ns1.is-a.dev8 records

✅ Authoritative Response

Server:162.159.6.249

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 365ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.5.103, 104.18.4.103
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, ns1.is-a.dev...)

Analysis

IP Addresses

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

For instance, other host names speedwaymotorsports.com, fa888.tw, beyondgaming888.net, gdf1788.com and groupon.mu share IP numbers with json.is-a.dev.