mail.blacktom.com - robtex.com

mail.blacktom.com

DNSSEC⚠️ Not signed
A51.81.139.235🇺🇸 OVH51.81.128.0/17 Hosting route
PTRmail.blacktom.com

blacktom.com

DNSSEC⚠️ Not signed
A2606:4700:20::681a:474🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:574🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:45b5🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.4.116Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.5.116Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.69.181🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalgin.ns.cloudflare.com ⭐
NSemely.ns.cloudflare.com
MXmail.blacktom.com ⭐
TXTgoogle-site-verification=tLBmrd5BkvDTXY6qNEB3A_BipVVRuExflqVvrpYUBIo
TXTv=spf1 +a +mx +ip4:51.81.139.235 include:smtp.resend.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.26.4.116, 104.26.5.116, 172.67.69.181
IPv62606:4700:20::681a:474, 2606:4700:20::681a:574, 2606:4700:20::ac43:45b5
SOAalgin.ns.cloudflare.comdns@cloudflare.com serial=2400008477

PTR for

235.139.81.51.in-addr.arpa

MX for

blacktom.com

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DNS History

1 record (1 active, 0 former)

A51.81.139.235
●A51.81.139.2352026-03-25 → 2026-03-26 · 2 obs
● 2026-03-25 16:25:14
● 2026-03-26 15:49:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net...-
blacktom.comalgin.ns.cloudflare.com, emely.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.61

NS records: algin.ns.cloudflare.com, emely.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blacktom.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

TypeCountSample Data
A151.81.139.235

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.blacktom.com serves as the mail server for blacktom.com.

IP Addresses

mail.blacktom.com points to a single IP: 51.81.139.235.