mail.4synapses.com - robtex.com

mail.4synapses.com

DNSSEC⚠️ Not signed
A136.243.150.245🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3
PTRstatic.245.150.243.136.clients.your-server.de

4synapses.com

DNSSEC⚠️ Not signed
A104.21.1.248Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.128.106🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalexis.ns.cloudflare.com ⭐
NSkarina.ns.cloudflare.com
MXmx.4synapses.com ⭐
MXmail.4synapses.com(10)
TXTv=spf1 mx a ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.1.248, 172.67.128.106
SOAalexis.ns.cloudflare.comdns@cloudflare.com serial=2398578903
WOT: SAFE (76/100)
WOT: UNKNOWN (97/100)

MX for

4synapses.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A136.243.150.245136.243.9.248
●A136.243.150.2452026-02-16 → 2026-03-27 · 3 obs
○ 2016-07-18 11:54:50
● 2026-02-16 16:35:00
● 2026-03-27 13:40:48
○A136.243.9.2482015-07-15 → 2016-07-18 · 4 obs
● 2015-07-15 06:09:52
● 2016-07-18 11:54:50
○ 2026-02-16 16:35:00
○ 2026-03-27 13:40:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...-
4synapses.comalexis.ns.cloudflare.com, karina.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.178

NS records: alexis.ns.cloudflare.com, karina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4synapses.com (unsigned zone)

⏱️ Timing

Total: 53ms | Queries: -

📄 Records

TypeCountSample Data
A1136.243.150.245

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.4synapses.com acts as a mail server for 4synapses.com.

mx.4synapses.com is commonly used as a mail server in conjunction with mail.4synapses.com.

IP Addresses

mail.4synapses.com points to a single IP number: 136.243.150.245.

Other host names, for instance mail.la-reducere.ro, share IP numbers with mail.4synapses.com.