mail.futababooks.com - robtex.com

mail.futababooks.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d026🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:fe1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.225Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.38🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.15.225, 172.67.208.38
IPv6 hints2606:4700:3031::ac43:d026, 2606:4700:3037::6815:fe1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=112, name=cloudflare-ech.com

futababooks.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d026🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:fe1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.225Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.38🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjewel.ns.cloudflare.com ⭐
NSsalvador.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.15.225, 172.67.208.38
IPv6 hints2606:4700:3031::ac43:d026, 2606:4700:3037::6815:fe1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=112, name=cloudflare-ech.com
SOAjewel.ns.cloudflare.comdns@cloudflare.com serial=2401537849

Previously MX for

futababooks.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.15.225172.67.208.382606:4700:3031::ac43:d0262606:4700:3037::6815:fe1221.248.41.166
●A104.21.15.2252026-04-14 → 2026-04-14 · 2 obs
○ 2016-04-18 17:52:54
● 2026-04-14 08:37:22
●A172.67.208.382026-04-14 → 2026-04-14 · 2 obs
○ 2016-04-18 17:52:54
● 2026-04-14 08:37:22
○A221.248.41.1662015-05-30 → 2016-04-18 · 3 obs
● 2015-05-30 17:48:58
● 2016-04-18 17:52:54
○ 2026-04-14 08:37:22
●A2606:4700:3031::ac43:d0262026-04-14 → 2026-04-14 · 2 obs
○ 2016-04-18 17:52:54
● 2026-04-14 08:37:22
●A2606:4700:3037::6815:fe12026-04-14 → 2026-04-14 · 2 obs
○ 2016-04-18 17:52:54
● 2026-04-14 08:37:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...-
futababooks.comjewel.ns.cloudflare.com, salvador.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.100

NS records: jewel.ns.cloudflare.com, salvador.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for futababooks.com (unsigned zone)

⏱️ Timing

Total: 96ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.15.225, 172.67.208.38
AAAA22606:4700:3037::6815:fe1, 2606:4700:3031::ac43:d026
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.futababooks.com points to four IP numbers: 2606:4700:3031::ac43:d026, 2606:4700:3037::6815:fe1, 104.21.15.225 and 172.67.208.38.

For instance, other host names ohjk.cn, quitedo.com, guoxing-ic.com, zaheproyectos.com and www.knours.net share IP numbers with mail.futababooks.com.