em.stackoverflow.email

`em.stackoverflow.email`

CNAME	`u3553988.wl239.sendgrid.net`
DNSSEC	⚠️ Not signed
MX	`mx.sendgrid.net` ⭐
		A	3.17.120.38^{🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix}
			PTR	`ec2-3-17-120-38.us-east-2.compute.amazonaws.com`
		A	3.136.245.72^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
			PTR	`ec2-3-136-245-72.us-east-2.compute.amazonaws.com`
		A	13.216.54.185^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-216-54-185.compute-1.amazonaws.com`
		A	15.222.160.229^{🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix}
			PTR	`ec2-15-222-160-229.ca-central-1.compute.amazonaws.com`
		A	16.52.61.209^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-61-209.ca-central-1.compute.amazonaws.com`
		A	16.52.110.174^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-110-174.ca-central-1.compute.amazonaws.com`
		A	18.224.101.244^{🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix}
			PTR	`ec2-18-224-101-244.us-east-2.compute.amazonaws.com`
		A	34.198.67.24^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-198-67-24.compute-1.amazonaws.com`
		A	44.216.124.122^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-216-124-122.compute-1.amazonaws.com`
		A	44.245.249.202^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`ec2-44-245-249-202.us-west-2.compute.amazonaws.com`
		A	52.25.213.239^{🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-25-213-239.us-west-2.compute.amazonaws.com`
		A	52.37.49.26^{🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-37-49-26.us-west-2.compute.amazonaws.com`
TXT	`v=spf1 ip4:167.89.81.234 ip4:167.89.85.72 ip4:168.245.32.199 -all`

`stackoverflow.email`

DNSSEC	⚠️ Not signed
A	198.252.206.19^{🇺🇸 Cloudflare198.252.206.0/24 BYOIP} ✓ In HTTPS hints
NS	`damian.ns.cloudflare.com` ⭐
NS	`sureena.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
TXT	`google-site-verification=DscmKlqHU_KbL69bQTQcYWUiHX9vsIxIteRNFiHLKRU`
TXT	`google-site-verification=l2y6Q0-ZJNaMDcDUbEP-wsLcM-MSqMzRMmtbfnDt1jQ`
TXT	`v=spf1 include:sendgrid.net include:mailer.chargify.com ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	198.252.206.19
SOA	`damian.ns.cloudflare.com`dns@cloudflare.com serial=2407805721

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DNS History

1 record (1 active, 0 former)

●CNAMEu3553988.wl239.sendgrid.net2018-05-16 → 2026-07-07 · 2 obs

● 2018-05-16 06:05:24
● 2026-07-07 01:51:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
email	v2n0.nic.email, v0n2.nic.email, v0n1.nic.email, v0n0.nic.email...	12 records
stackoverflow.email	sureena.ns.cloudflare.com, damian.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.50

NS records: sureena.ns.cloudflare.com, damian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackoverflow.email (unsigned zone)

⏱️ Timing

Total: 693ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`u3553988.wl239.sendgrid.net`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.email, v0n1.nic.email, v0n2.nic.email...)

Analysis

Mail Servers

em.stackoverflow.email uses one mail server — mx.sendgrid.net.

The mail server setup of em.stackoverflow.email matches that of other domains such as u22673624.wl125.sendgrid.net, pawaspi-point.konami.net, email.olist.com and two others.

At least some of the mail servers used by em.stackoverflow.email are shared with other domains: stores.kiehls.ca, baah.com.br, sendgrid.net and two others among them.

It is common to find these mail servers paired with the mail servers alt1.aspmx.l.google.com, aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.

mx.sendgrid.net has 12 IP addresses: 3.17.120.38, 3.136.245.72, 13.216.54.185 plus 9 more.

em.stackoverflow.email - robtex.com