formula.co

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
formula.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-16 04:37:18 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • alt4.aspmx.l.google.com: 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

  • 198.202.211.1

Mail Server IPs

  • 172.253.157.26 ↩ yubrupd-in-f26.1e100.net
  • 2a00:1450:400c:c23::1a ↩ yubrupd-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net

SOA Record

Raw SOA ns-1530.awsdns-63.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1530.awsdns-63.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-133.awsdns-16.com
ns-1530.awsdns-63.org
ns-1812.awsdns-34.co.uk
ns-702.awsdns-23.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:hubspotemail.net include:7845552.spf04.hubspotemail.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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

12 records
  • google-site-verification=ooZM-A15Wi8T3kYqjyo6-Lo8lmWVfiIrSTozqQuFcJA
  • knowbe4-site-verification=65401c417331f00d31703711353b431b
  • miro-verification=bd22b9209af2fec35069f7e83603afd23daecf3b
  • SPFv=spf1 include:_spf.google.com include:hubspotemail.net include:7845552.spf04.hubspotemail.net ~all
  • ZOOM_verify_odjBwzklWPEuuBberOiAFV
  • atlassian-domain-verification=KBhcrWfchVnXlEcWIYL4TtKA8gj5FaykGU6VuhdPKbDCOY4DwaDokhFIQBT8hB4v
  • atlassian-domain-verification=mj/2ovdrPvBeStSvgSpLe/1IaZyOAkQas3r57p9FiIWsbLitWEgksjDs64k5f97n
  • atlassian-domain-verification=s5UTL5U0TH7aJI3WNJH42VY9ipInZXHw7cZVpAwiR2p7+CCXRbNxVsLgzpI5bZAu
  • atlassian-sending-domain-verification=0e87e36a-5249-4f23-85cb-284bb6bd733f
  • cdn.webflow.com
  • google-site-verification=PJGLmd99FgvWHqZdtKmxYpWSMtC6M6DvrvALGX3QKlE
  • google-site-verification=iLHlxNBeXSGuNcC5ghbjuykd6rN5oepLhhduWm6dhSw
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