withbanner.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
withbanner.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 16:38:34 UTC · ↺ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • mx.sendgrid.net

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • mx.sendgrid.net: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 104.18.20.250
  • 104.18.21.250
  • 2606:4700::6812:15fa
  • 2606:4700::6812:14fa

Mail Server IPs

  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 13.216.54.185 ↩ ec2-13-216-54-185.compute-1.amazonaws.com
  • 16.52.110.174 ↩ ec2-16-52-110-174.ca-central-1.compute.amazonaws.com
  • 52.25.213.239 ↩ ec2-52-25-213-239.us-west-2.compute.amazonaws.com
  • 44.216.124.122 ↩ ec2-44-216-124-122.compute-1.amazonaws.com
  • 3.136.245.72 ↩ ec2-3-136-245-72.us-east-2.compute.amazonaws.com
  • 34.198.67.24 ↩ ec2-34-198-67-24.compute-1.amazonaws.com
  • 44.245.249.202 ↩ ec2-44-245-249-202.us-west-2.compute.amazonaws.com
  • 52.37.49.26 ↩ ec2-52-37-49-26.us-west-2.compute.amazonaws.com
  • 16.52.61.209
  • 3.17.120.38
  • 18.224.101.244
  • 15.222.160.229
  • 108.177.123.27
  • 2800:3f0:4003:c0f::1b
  • 172.253.116.27
  • 2a00:1450:400b:c02::1b
  • 172.253.63.27
  • 2607:f8b0:4004:c23::1a

SOA Record

Raw SOA henrik.ns.cloudflare.com dns.cloudflare.com 2396981610 10000 2400 604800 1800
Primary NS (mname)
henrik.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396981610
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

henrik.ns.cloudflare.com
leia.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=quarantine;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 4 found
google._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • google-site-verification=S3dRWVOxmktZFY79GbGaCUCSisHNOnkSCRhcFIlBCn4
  • SPFv=spf1 include:_spf.google.com ~all
  • MS=ms74897212
Full email verification for withbanner.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits