`mail.docentes20.com`

DNSSEC	⚠️ Not signed
A	69.164.249.167^{🇺🇸 RoadRunner69.164.248.0/22 DFW1}
		PTR	`mail.docentes20.com`
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`

`docentes20.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:ceb0^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:4d64^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.100^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.176^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ivy.ns.cloudflare.com` ⭐
NS	`rick.ns.cloudflare.com`
MX	`mail.docentes20.com` ⭐
TXT	`google-site-verification=HWqvmG-GEBMAceUuM2XdjwjqmCyN3ow5ZN7ZX0Pgjl0`
TXT	`v=spf1 ip4:69.164.249.167 include:amazonses.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.100, 172.67.206.176
		IPv6 hints	2606:4700:3032::ac43:ceb0, 2606:4700:3034::6815:4d64
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=168, name=cloudflare-ech.com
SOA	`ivy.ns.cloudflare.com`dns@cloudflare.com serial=2401251876

rank #944889 globally
rank #428305 in the tld

PTR for

167.249.164.69.in-addr.arpa

MX for

docentes20.com

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DNS History

2 records (2 active, 0 former)

●MXfeedback-smtp.us-east-1.amazonses.com2026-03-28 → 2026-04-11 · 2 obs

● 2026-03-28 00:32:52
● 2026-04-11 18:36:58

●A69.164.249.1672026-03-28 → 2026-04-11 · 2 obs

● 2026-03-28 00:32:52
● 2026-04-11 18:36:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...	-
docentes20.com	rick.ns.cloudflare.com, ivy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.120

NS records: rick.ns.cloudflare.com, ivy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for docentes20.com (unsigned zone)

⏱️ Timing

Total: 79ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`69.164.249.167`
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 (rick.ns.cloudflare.com, rick.ns.cloudflare.com, rick.ns.cloudflare.com...)

Analysis

Mail Server Role

mail.docentes20.com serves as the mail server for docentes20.com.

IP Addresses

mail.docentes20.com points to a single IP address: 69.164.249.167.

Other host names such as vps.docentes20.com and _dc-mx.e1605d0e3439.docentesvirtuales.com share IP numbers with mail.docentes20.com.

Mail Servers

The mail server for mail.docentes20.com is feedback-smtp.us-east-1.amazonses.com.

mail.docentes20.com uses the same mail server setup as other domains, for instance compasplatform.com, mail.troubleticketsoftware.net, raynor.org, mail.critter-base.com and spin-world.com.

mail.docentes20.com shares at least some mail servers with other domains, for example ecucomm.com, transvie.sn, nexoos.com.br, smartstubs.com and bithoop.com.

these mail servers are commonly used alongside aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, inbound-smtp.us-east-1.amazonaws.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com and smtp.google.com.

feedback-smtp.us-east-1.amazonses.com points to IP numbers 3.218.134.115, 18.235.76.96 and 34.192.233.193.

mail.docentes20.com - robtex.com