smtp.send16.com - robtex.com

smtp.send16.com

DNSSEC⚠️ Not signed
A178.63.139.58🇩🇪 Hetzner178.63.0.0/16 HETZNER-RZ-FKS-BLK2
PTRsmtp.send16.com

send16.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:12f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8087🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.1.47Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.128.135🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShugh.ns.cloudflare.com ⭐
NSizabella.ns.cloudflare.com
MXmx.send16.com ⭐
TXTpostal-verification iUH305wwEMWPNbKvlmQFjg97q4VqR66t
TXTv=spf1 a mx ip4:178.63.139.58 ip4:178.63.139.49 ip4:178.63.139.50 ip4:178.63....
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.1.47, 172.67.128.135
IPv6 hints2606:4700:3033::6815:12f, 2606:4700:3037::ac43:8087
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com
SOAhugh.ns.cloudflare.comdns@cloudflare.com serial=2401232439

PTR for

58.139.63.178.in-addr.arpa

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🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
send16.comhugh.ns.cloudflare.com, izabella.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.117

NS records: hugh.ns.cloudflare.com, izabella.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for send16.com (unsigned zone)

⏱️ Timing

Total: 132ms | Queries: -

📄 Records

TypeCountSample Data
A1178.63.139.58

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

smtp.send16.com points to a single IP address: 178.63.139.58.

Other host names, for instance mx.send16.com, share IP numbers with smtp.send16.com.