sfstandard.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
sfstandard.com
Yes
โœ“ Yes
Google
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-23 15:33:19 UTC ยท โ†บ Refresh

MX Hostnames

  • aspmx3.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • aspmx2.googlemail.com
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 104.21.0.237 (no PTR)
  • 172.67.128.101 (no PTR)
  • 2606:4700:3036::ac43:8065 (no PTR)
  • 2606:4700:3037::6815:ed (no PTR)

Mail Server IPs

  • 142.251.16.26 โ†ฉ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c1b::1b โ†ฉ wv-in-f27.1e100.net
  • 108.177.123.26 โ†ฉ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.26 โ†ฉ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a โ†ฉ dj-in-f26.1e100.net

SOA Record

Raw SOA mallory.ns.cloudflare.com dns.cloudflare.com 2399150314 10000 2400 604800 1800
Primary NS (mname)
mallory.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399150314
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

mallory.ns.cloudflare.com
yevgen.ns.cloudflare.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:51.81.221.9 include:aspmx.sailthru.com include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.google.com include:mail.zendesk.com ~all
๐Ÿ“Š DNS lookups: 5/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=quarantine; fo=1; adkim=r; aspf=r
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected],mailto:[email protected]
โ†ณ Subdomain policy: quarantine

DKIM Selectors

โœ“ 4 found
google._domainkey
default._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: google

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

All TXT Records

18 records
  • slack-domain-verification=3wB5AQfDRc3r5DurPNJwj1jlR6AzVnkqQ8IsS0IN
  • pinterest-site-verification=1964e905158ee0ffd372e5673f148ac2
  • ahrefs-site-verification_1c1d0eec23ee40d6b3e59dff8b33a7a913b110bc4c6c385ff38aaf5b8fe31cc7
  • google-site-verification=qezXaWCJMkXCTKU_xNS8KaaWIHYVtloekclZDOJ2ESQ
  • mandrill_verify.X-TPgbXKBFW6x5Dv_b_z-w
  • google-site-verification=Pxn4qRIMXM3NXWJJXMKa6_EDUEXUJ45KnYlamLRcmCc
  • MS=ms43885079
  • google-site-verification=LuXO9JGZVtuH30IPKrzUwunvwrKW5AknV_6jb5hAJTs
  • google-site-verification=9D2VzJi-QCek9CtqC2XV8G4VYkTiiDYYTmkM5152ad8
  • yahoo-verification-key=v6WYOlBzGhr+nRuYh5Ux6HURBU3YpmwgqG7aHhofZSM=
  • notion_verify_=!z295)*!uhnie~c!endpC=1#gkr>KJ*}Ric_zRX?Q=sd0)3bU}xPF6YsXvaEjt4kdwrtK
  • google-site-verification=LVwhpXLCryK-Yy4OCYDSDeeip1XDlvEyQawgWsnTIj4
  • facebook-domain-verification=abuf0xngyzhww7zmaef6xe1atzvx53
  • google-site-verification=1xVm4uNV23SgRVvgt4bwS-A7pGcIve2Rwo26KL0T3jA
  • google-site-verification=0BuGAbKZoKRK3Owe3sh8_B1qH9YnTnVJlkiVyT1boiM
  • 87C502C096
  • 1password-site-verification=SOYKTYJWEJBMNOJPQXYKXQ7KDA
  • SPFv=spf1 ip4:51.81.221.9 include:aspmx.sailthru.com include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.google.com include:mail.zendesk.com ~all
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