mail.billbuilt.dev - dns.ninja

mail.billbuilt.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c9b0🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1608🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.22.8Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.176🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.22.8, 172.67.201.176
IPv6 hints2606:4700:3033::ac43:c9b0, 2606:4700:3037::6815:1608
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=233, name=cloudflare-ech.com

billbuilt.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c9b0🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1608🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.22.8Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.176🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjihoon.ns.cloudflare.com ⭐
NSmira.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.22.8, 172.67.201.176
IPv6 hints2606:4700:3033::ac43:c9b0, 2606:4700:3037::6815:1608
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=233, name=cloudflare-ech.com
SOAjihoon.ns.cloudflare.comdns@cloudflare.com serial=2410462032

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DNS History

6 records (4 active, 2 former)

A104.21.22.8172.67.201.1762606:4700:3033::ac43:c9b02606:4700:3037::6815:1608104.237.142.128CNAMEmail.hover.com.cust.hostedemail.com
●A104.21.22.82026-08-07 → 2026-08-07 · 3 obs
○ 2026-03-21 11:49:48
● 2026-08-07 20:15:58
● 2026-08-07 20:16:00
○A104.237.142.1282026-03-21 → 2026-03-21 · 3 obs
● 2026-03-21 11:49:48
○ 2026-08-07 20:15:58
○ 2026-08-07 20:16:00
●A172.67.201.1762026-08-07 → 2026-08-07 · 3 obs
○ 2026-03-21 11:49:48
● 2026-08-07 20:15:58
● 2026-08-07 20:16:00
●A2606:4700:3033::ac43:c9b02026-08-07 → 2026-08-07 · 3 obs
○ 2026-03-21 11:49:48
● 2026-08-07 20:15:58
● 2026-08-07 20:16:00
●A2606:4700:3037::6815:16082026-08-07 → 2026-08-07 · 3 obs
○ 2026-03-21 11:49:48
● 2026-08-07 20:15:58
● 2026-08-07 20:16:00
○CNAMEmail.hover.com.cust.hostedemail.com2026-03-21 → 2026-08-07 · 2 obs
○ 2026-03-21 11:49:48
○ 2026-08-07 20:16:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
billbuilt.devjihoon.ns.cloudflare.com, mira.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.204

NS records: jihoon.ns.cloudflare.com, mira.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for billbuilt.dev (unsigned zone)

⏱️ Timing

Total: 457ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.22.8, 172.67.201.176
AAAA22606:4700:3037::6815:1608, 2606:4700:3033::ac43:c9b0
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.billbuilt.dev directs to four IP numbers, which are 104.21.22.8, 172.67.201.176, 2606:4700:3033::ac43:c9b0 and 2606:4700:3037::6815:1608.

skylinewebservice.de, ns2.cp32.royaltechbd.com, forum.hardwarebase.net plus two other host names have IP numbers in common with mail.billbuilt.dev.