mail.sixerr.com - robtex.com
mail.sixerr.com
| DNSSEC | ⚠️ Not signed | ||||||
| MX | feedback-smtp.us-east-1.amazonses.com ⭐ | ||||||
| A | 3.218.134.115🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-218-134-115.compute-1.amazonaws.com | ||||||
| A | 18.235.76.96🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-18-235-76-96.compute-1.amazonaws.com | ||||||
| A | 34.192.233.193🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-34-192-233-193.compute-1.amazonaws.com | ||||||
| TXT | v=spf1 include:amazonses.com ~all | ||||||
sixerr.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:4a17🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:996d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.74.23Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.153.109🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bart.ns.cloudflare.com ⭐ | ||||||
| NS | serena.ns.cloudflare.com | ||||||
| MX | route2.mx.cloudflare.net ⭐ | ||||||
| MX | route3.mx.cloudflare.net(79) | ||||||
| MX | route1.mx.cloudflare.net(96) | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.74.23, 172.67.153.109 | ||||||
| IPv6 hints | 2606:4700:3032::6815:4a17, 2606:4700:3037::ac43:996d | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com | ||||||
| SOA | bart.ns.cloudflare.comdns@cloudflare.com serial=2411334826 | ||||||
Same first word
Similar names
DNS History
8 records (1 active, 7 former)
○NSns3679.hostgator.com2015-11-16 → 2016-02-08 · 4 obs
● 2016-02-08 21:21:48
○ 2026-05-04 01:36:28
○ 2026-08-09 02:28:32
○NSns3680.hostgator.com2015-11-16 → 2016-02-08 · 4 obs
● 2016-02-08 21:21:48
○ 2026-05-04 01:36:28
○ 2026-08-09 02:28:32
○NSns6289.hostgator.com2015-11-16 → 2016-02-08 · 4 obs
● 2016-02-08 21:21:48
○ 2026-05-04 01:36:28
○ 2026-08-09 02:28:32
●MXfeedback-smtp.us-east-1.amazonses.com2026-05-04 → 2026-08-09 · 3 obs
● 2026-05-04 01:36:28
● 2026-08-09 02:28:32
○MXsixerr.com2015-11-16 → 2016-02-08 · 4 obs
● 2016-02-08 21:21:48
○ 2026-05-04 01:36:28
○ 2026-08-09 02:28:32
○A192.254.184.352015-07-15 → 2016-02-08 · 4 obs
● 2016-02-08 21:21:48
○ 2016-04-29 18:35:46
○ 2026-08-09 02:28:32
○A50.87.144.1812016-04-29 → 2016-04-29 · 4 obs
● 2016-04-29 18:35:46
○ 2026-05-04 01:36:28
○ 2026-08-09 02:28:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net... | - |
| sixerr.com | bart.ns.cloudflare.com, serena.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.220
NS records: bart.ns.cloudflare.com, serena.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sixerr.com (unsigned zone)
⏱️ Timing
Total: 322ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 1 | feedback-smtp.us-east-1.amazonses.com (p |
| TXT | 1 | v=spf1 include:amazonses.com ~all |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (bart.ns.cloudflare.com, bart.ns.cloudflare.com, bart.ns.cloudflare.com...)
Analysis
Mail Servers
mail.sixerr.com uses one mail server — feedback-smtp.us-east-1.amazonses.com.
The mail server setup of mail.sixerr.com matches that of other domains such as account.smallwondersmag.com, mail.e-sa.com, aseyorganizasyon.com and two others.
At least some of the mail servers used by mail.sixerr.com are shared with other domains: mail.rhythmic-rebellion.com, cellide.com, evidationtest.com and two others among them.
These mail servers are often deployed together with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 7 other mail servers.
feedback-smtp.us-east-1.amazonses.com resolves to a set of three IP numbers: 3.218.134.115, 18.235.76.96 and 34.192.233.193.