`mail.professormerson.com`

DNSSEC	⚠️ Not signed
A	170.81.42.59^{🇧🇷 FERENZ170.81.42.0/24 Ferenz Networks - DC}
		PTR	`kaizen.servidor.net.br`
MX	`feedback-smtp.sa-east-1.amazonses.com` ⭐
		A	18.228.55.199^{🇧🇷 Amazon18.228.0.0/16 EC2 GRU prefix}
			PTR	`ec2-18-228-55-199.sa-east-1.compute.amazonaws.com`
		A	18.230.36.177^{🇧🇷 Amazon18.230.0.0/16 EC2 GRU prefix}
			PTR	`ec2-18-230-36-177.sa-east-1.compute.amazonaws.com`
		A	18.230.43.56^{🇧🇷 Amazon18.230.0.0/16 EC2 GRU prefix}
			PTR	`ec2-18-230-43-56.sa-east-1.compute.amazonaws.com`
MX	`feedback-smtp.us-east-2.amazonses.com` ⭐
		A	3.18.143.154^{🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix}
			PTR	`ec2-3-18-143-154.us-east-2.compute.amazonaws.com`
		A	3.21.184.30^{🇺🇸 Amazon3.20.0.0/14 EC2 CMH prefix}
			PTR	`ec2-3-21-184-30.us-east-2.compute.amazonaws.com`
		A	3.22.212.162^{🇺🇸 Amazon3.20.0.0/14 EC2 CMH prefix}
			PTR	`ec2-3-22-212-162.us-east-2.compute.amazonaws.com`
TXT	`v=spf1 include:amazonses.com ~all`

`professormerson.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:8119^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:26c^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.2.108^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.25^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`julissa.ns.cloudflare.com` ⭐
NS	`kanye.ns.cloudflare.com`
MX	`mail.professormerson.com` ⭐
TXT	`brevo-code:2aa966f56cf9e14ab3a8bf4af4e0a189`
TXT	`brevo-code:f66f70d86ecc2fae813653faa94ab836`
TXT	`google-site-verification=AkVH-W4IlEeB_uPrgMKSk3QMx85niGWTimD34ioTGNw`
TXT	`v=spf1 +ip4:170.81.42.59 +include:spf.kaizen.servidor.net.br +include:api-mai...`
TXT	`v=spf1 include:api-mail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.108, 172.67.129.25
		IPv6 hints	2606:4700:3032::ac43:8119, 2606:4700:3037::6815:26c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=159, name=cloudflare-ech.com
SOA	`julissa.ns.cloudflare.com`dns@cloudflare.com serial=2403670444

MX for

professormerson.com

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DNS History

3 records (3 active, 0 former)

●MXfeedback-smtp.sa-east-1.amazonses.com2026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 22:31:34
● 2026-05-10 01:06:02

●MXfeedback-smtp.us-east-2.amazonses.com2026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 22:31:34
● 2026-05-10 01:06:02

●A170.81.42.592026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 22:31:34
● 2026-05-10 01:06:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
professormerson.com	kanye.ns.cloudflare.com, julissa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.105

NS records: kanye.ns.cloudflare.com, julissa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professormerson.com (unsigned zone)

⏱️ Timing

Total: 379ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`170.81.42.59`
MX	2	`feedback-smtp.sa-east-1.amazonses.com (p, feedback-smtp.us-east-2.amazonses.com (p`
TXT	1	`v=spf1 include:amazonses.com ~all`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.professormerson.com functions as a mail server for professormerson.com.

IP Addresses

mail.professormerson.com points to IP number: 170.81.42.59.

Other host names such as mail.visaotattoo.com.br, negocioesperto.com, ingles4you.com.br, _dc-mx.412d03d56a07.centralshop.com.br and zeus.servidor.net.br share IPs with mail.professormerson.com.

Mail Servers

mail.professormerson.com is handled by two mail servers: feedback-smtp.sa-east-1.amazonses.com and feedback-smtp.us-east-2.amazonses.com.

mail.professormerson.com shares at least partially some mail servers with other domains, including mail.raspberryworld.net, technologybrasil.com.br, mail.stratanet.net, mail.thedailycatch.com and mail.dcicr.com.

these mail servers are often used together with aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, mx1.hostinger.com and mx2.hostinger.com.

Host names with three IP numbers: feedback-smtp.sa-east-1.amazonses.com points to 18.228.55.199, 18.230.36.177 and 18.230.43.56; feedback-smtp.us-east-2.amazonses.com points to 3.18.143.154, 3.21.184.30 and 3.22.212.162.

mail.professormerson.com - robtex.com