mail.rackerbox.com - robtex.com

mail.rackerbox.com

DNSSEC⚠️ Not signed
A2001:4800:7817:103:be76:4eff:fe04:9237🇺🇸 RACKSPACE-DFW2001:4800::/32 Rackspace
PTRcloud.rackerbox.com
A23.253.228.190🇺🇸 RACKSPACE-DFW23.253.224.0/19 Rackspace, 5000 Walzem Road, San Antonio, TX 78218

rackerbox.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:24d0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:c799🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.36.208Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.199.153🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarya.ns.cloudflare.com ⭐
NSisaac.ns.cloudflare.com
MXmail.rackerbox.com ⭐
TXTv=spf1 mx a:cloud.rackerbox.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.36.208, 172.67.199.153
IPv6 hints2606:4700:3035::6815:24d0, 2606:4700:3036::ac43:c799
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOAarya.ns.cloudflare.comdns@cloudflare.com serial=2401393760

MX for

rackerbox.com

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DNS History

2 records (2 active, 0 former)

20162017201820192020202120222023202420252026A2001:4800:7817:103:be76:4eff:fe04:923723.253.228.190
●A2001:4800:7817:103:be76:4eff:fe04:92372016-03-04 → 2026-04-13 · 3 obs
○ 2015-06-24 13:46:10
● 2016-03-04 14:27:36
● 2026-04-13 14:57:30
●A23.253.228.1902015-06-24 → 2026-04-13 · 2 obs
● 2015-06-24 13:46:10
● 2026-04-13 14:57:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
rackerbox.comarya.ns.cloudflare.com, isaac.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.70

NS records: arya.ns.cloudflare.com, isaac.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rackerbox.com (unsigned zone)

⏱️ Timing

Total: 99ms | Queries: -

📄 Records

TypeCountSample Data
A123.253.228.190
AAAA12001:4800:7817:103:be76:4eff:fe04:9237

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.rackerbox.com is the mail server for rackerbox.com.

IP Addresses

mail.rackerbox.com resolves to two IP numbers: 2001:4800:7817:103:be76:4eff:fe04:9237 and 23.253.228.190.

Other host names, for instance cloud.rackerbox.com, share IP numbers with mail.rackerbox.com.