si.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
si.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 01:23:14 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

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

A / AAAA Records

  • 35.83.190.225
  • 44.241.188.24

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA ns-1819.awsdns-35.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1819.awsdns-35.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1157.awsdns-16.org
ns-1819.awsdns-35.co.uk
ns-474.awsdns-59.com
ns-741.awsdns-28.net

SPF Record

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

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=86400; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 216 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

27 records
  • MS=ms22369655
  • docusign=1037b789-2196-4c77-809c-66b8c6836a02
  • google-site-verification=K71xxdZMmsclZj94rwAHN4-KqN7-71w4TCxWjEpIDOI
  • apple-domain-verification=rGtFLx1dBQPK35RZ
  • lAipka1cQ8WGr8k1FL9n7R4EV5UM2nrExypMNU7Squm/OkzjwHKtd7BRjv1gMOjcHt0l9IIEhu0vYfQbA6Qu1Q==
  • atlassian-domain-verification=49CoabLOiRcDOq7aYk5YiRo9mbmOMsuyotiNaBC0Z7Id5yRBgwYVT8WucbUy6t4n
  • google-site-verification=JM0HYeXMzwZJ1PpC42J2vgYeE-NR_zreDuTMeJmNtPA
  • 26C1DCCA46
  • facebook-domain-verification=yyyv3w5rx5pkpu6j4b5mvsqmknfwck
  • have-i-been-pwned-verification=517958ff82c3dcfa6b56d3c48af22b50
  • MS=ms93495782
  • knowbe4-site-verification=6e8bc2272a23f6b229a16d1d421f11af
  • yahoo-verification-key=VQrrIOsxWaqgo1rt85rk6qCXy5OHiXXdAONFzJYIHW0=
  • google-site-verification=plyb-kJaEvatag0omktSRttmhBXb5evQhfH6tSkd6Yk
  • SPFv=spf1 include:aspmx.sailthru.com include:_spf.google.com ~all
  • google-site-verification=WlbkowvStwyJiUSuqTdyEA7-DFv5aEdzBZAJX2lIHHc
  • openai-domain-verification=dv-UBEyjIcV7fUyu6L23fw2HGci
  • yahoo-verification-key=3WCMllI0l93vs//RVwfdUD+IJ5X32ca7hi50mYH+7yg=
  • _globalsign-domain-verification=m2caqrJ1kIVyqQ3xPGWo5qP93lYtTkKA0Xyz-eQIA-
  • MS=ms80782080
  • T0I0M34279
  • google-gws-recovery-domain-verification=50323461
  • google-site-verification=bUpqwbXU00vHWLNGYM-SzjHLYHFpZISN0nd8a_iaql8
  • docusign=550d3e50-7b29-4e9b-8edb-272c801fb362
  • google-site-verification=NXI0vQYm-vJsY1tnINxz2Q9dYSVlNUTfOW1R1igowpE
  • airtable-verification=cc7c4ecba9339dd98d28575a1f939dc6
  • d3bmdi80xb3jem.cloudfront.net
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