mail.reactbooks.com - dns.ninja

mail.reactbooks.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:4e22🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d763🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.34Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.215.99🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.78.34, 172.67.215.99
IPv6 hints2606:4700:3031::6815:4e22, 2606:4700:3035::ac43:d763
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=92, name=cloudflare-ech.com

reactbooks.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:4e22🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d763🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.34Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.215.99🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShadlee.ns.cloudflare.com ⭐
NSskip.ns.cloudflare.com
MX_dc-mx.2e3e6939f355.reactbooks.com ⭐
TXTv=spf1 a mx include:websitewelcome.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.78.34, 172.67.215.99
IPv6 hints2606:4700:3031::6815:4e22, 2606:4700:3035::ac43:d763
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=92, name=cloudflare-ech.com
SOAhadlee.ns.cloudflare.comdns@cloudflare.com serial=2411440301

Previously MX for

reactbooks.com

Same first word

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DNS History

8 records (4 active, 4 former)

2020202120222023202420252026A104.21.78.34172.67.215.992606:4700:3031::6815:4e222606:4700:3035::ac43:d763172.64.80.1178.79.170.1292606:4700:130:436c:6f75:6466:6c61:72652a01:7e00::f03c:91ff:fec2:65db
●A104.21.78.342026-03-30 → 2026-08-09 · 3 obs
○ 2019-04-13 16:27:18
● 2026-03-30 02:10:36
● 2026-08-09 16:59:26
○A172.64.80.12026-03-30 → 2026-08-09 · 2 obs
○ 2026-03-30 02:10:36
○ 2026-08-09 16:59:26
●A172.67.215.992026-03-30 → 2026-08-09 · 3 obs
○ 2019-04-13 16:27:18
● 2026-03-30 02:10:36
● 2026-08-09 16:59:26
○A178.79.170.1292019-04-13 → 2019-04-13 · 3 obs
● 2019-04-13 16:27:18
○ 2026-03-30 02:10:36
○ 2026-08-09 16:59:26
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-30 → 2026-08-09 · 2 obs
○ 2026-03-30 02:10:36
○ 2026-08-09 16:59:26
●A2606:4700:3031::6815:4e222026-03-30 → 2026-08-09 · 3 obs
○ 2019-04-13 16:27:18
● 2026-03-30 02:10:36
● 2026-08-09 16:59:26
●A2606:4700:3035::ac43:d7632026-03-30 → 2026-08-09 · 3 obs
○ 2019-04-13 16:27:18
● 2026-03-30 02:10:36
● 2026-08-09 16:59:26
○A2a01:7e00::f03c:91ff:fec2:65db2019-04-13 → 2019-04-13 · 3 obs
● 2019-04-13 16:27:18
○ 2026-03-30 02:10:36
○ 2026-08-09 16:59:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...-
reactbooks.comskip.ns.cloudflare.com, hadlee.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.67

NS records: skip.ns.cloudflare.com, hadlee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for reactbooks.com (unsigned zone)

⏱️ Timing

Total: 246ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.78.34, 172.67.215.99
AAAA22606:4700:3031::6815:4e22, 2606:4700:3035::ac43:d763
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (skip.ns.cloudflare.com, skip.ns.cloudflare.com, skip.ns.cloudflare.com...)

Analysis

IP Addresses

mail.reactbooks.com resolves to four IP addresses: 104.21.78.34, 172.67.215.99, 2606:4700:3031::6815:4e22 and 2606:4700:3035::ac43:d763.

rrr.cloud31peak.site, sgssr-online.de, domisolmusic.com plus two other host names have IP numbers in common with mail.reactbooks.com.