sfcos.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-24 20:07:09 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 162.159.137.9 (no PTR)

Mail Server IPs

  • 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
  • 2607:f8b0:4004:c25::1b ↩ yuiadtq-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA ns25.worldnic.com namehost.worldnic.com 125090411 10800 3600 604800 3600
Primary NS (mname)
ns25.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125090411
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns25.worldnic.com
ns26.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:66.128.150.133 ip4:189.201.243.87 ip4:12.52.198.30 ip4:66.128.150.133 ip4:207.177.253.43 ip4:209.232.241.2 ip4:108.240.154.208 ip4:209.165.220.196 ip4:12.0.136.178 ip4:12.17.156.226 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]; rua=mailto:[email protected]
~ 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: 392 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

6 records
  • SPFv=spf1 ip4:66.128.150.133 ip4:189.201.243.87 ip4:12.52.198.30 ip4:66.128.150.133 ip4:207.177.253.43 ip4:209.232.241.2 ip4:108.240.154.208 ip4:209.165.220.196 ip4:12.0.136.178 ip4:12.17.156.226 include:_spf.google.com ~all
  • 29a73ee9-d440-44bf-a07b-3d08e7e7a6d6
  • MS=ms32505359
  • ZOOM_verify_uw_UR_stTTmxvCc-J2G2dg
  • 4737hs0a4ju4e2otnptmpat5fi
  • google-site-verification=b0rnsEI_pbz00E2vBquawe9uPh8iI9af3zsF61kYLR0
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