surefilter.us

Valid Email Server

Domain Overview

DNS: ✓ 7h ago Checker: ✓ 7h ago
surefilter.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-02 11:06:09 UTC · ↺ Refresh

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MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 18.238.80.4 ↩ server-18-238-80-4.jfk52.r.cloudfront.net
  • 18.238.80.3
  • 18.238.80.54
  • 18.238.80.119
  • 2600:9000:266a:9200:e:d57a:a400:93a1
  • 2600:9000:266a:cc00:e:d57a:a400:93a1
  • 2600:9000:266a:9400:e:d57a:a400:93a1
  • 2600:9000:266a:b200:e:d57a:a400:93a1
  • 2600:9000:266a:ba00:e:d57a:a400:93a1
  • 2600:9000:266a:d600:e:d57a:a400:93a1
  • 2600:9000:266a:3200:e:d57a:a400:93a1
  • 2600:9000:266a:5400:e:d57a:a400:93a1

Mail Server IPs

  • 142.250.31.27 ↩ bj-in-f27.1e100.net
  • 142.250.31.26 ↩ bj-in-f26.1e100.net
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 172.253.63.26 ↩ bi-in-f26.1e100.net
  • 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
  • 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
  • 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net

SOA Record

Raw SOA ns-1570.awsdns-04.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1570.awsdns-04.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1492.awsdns-58.org
ns-1570.awsdns-04.co.uk
ns-482.awsdns-60.com
ns-659.awsdns-18.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:amazonses.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

2 records
  • SPFv=spf1 include:_spf.google.com include:amazonses.com ~all
  • google-site-verification=eTL6IP54rfesp4J4dTrIwl09v1QVaHtKYLyDu0PANXk
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