joist.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-26 05:49:54 UTC · ↺ Refresh

MX Hostnames

  • joist-com.mail.protection.outlook.com

MX Priorities

  • joist-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.21 (no PTR)
  • 141.193.213.20 (no PTR)

Mail Server IPs

  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA arch.ns.cloudflare.com dns.cloudflare.com 2399890590 10000 2400 604800 1800
Primary NS (mname)
arch.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399890590
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

arch.ns.cloudflare.com
may.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:207.199.254.73 ip4:207.199.254.189 include:spf.protection.outlook.com include:mail.zendesk.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=1; pct=100; rf=afrf
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 86 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

19 records
  • apple-domain-verification=9Vve69nSS1FYWG9n
  • knowbe4-site-verification=127329fe3f97b81c92c1617decb8a947
  • openai-domain-verification=dv-kr4ogDt6zGx6llmcr52EWJsz
  • _globalsign-domain-verification=7G4HlqLViKr_e9DmXZzwagi1KQ3OazVs7nyXRLu7_q
  • MS=ms82608531
  • atlassian-domain-verification=N+tTyDyQAnHOpcoJ5KHPTOOcxfyNnFe8ItpBZYJPouadC5RDVuEQSkR9FPd8Tmal
  • google-site-verification=jSGCPsss9q7HUpLqATENlEWxfKcxvbjNl-xHH-Q0pEE
  • stripe-verification=c5139b9a90f5fe2f317228e41f23d734cb470617b982931aecab480a855ae92e
  • figma-domain-verification=2553757d6498083c5a15246be95373bb93fca3a5f283e7e638a65e2ca18cdc23-1712706605
  • google-site-verification=wGXuj5b71qL4vLHhbNzud8c-nCW0OCAcq0F9JjIcvLs
  • facebook-domain-verification=ujbin33xq93iyoutabyj1jmj44slio
  • atlassian-domain-verification=AaBNHZ3E+fR0Tez5FRo+5PhVwEYH7hb0NNKhbD7XlBfZDjYm/B3u/dL5HHrRPFGJ
  • fireflies-verification=01K9WBRTY6AB2ANGPK5K5REF02.ffverify.fireflies.ai-request-verification=2025-11-12T15:43:25Z
  • SPFv=spf1 ip4:207.199.254.73 ip4:207.199.254.189 include:spf.protection.outlook.com include:mail.zendesk.com include:spf.mandrillapp.com ~all
  • google-site-verification=1b2VMMtPwAOJqNSfQMuCmaCIhHu-NkFhpA0AbAHKB_Q
  • google-site-verification=LzBwALPmaAjuSAlti1uqjKH164kzNm7Vpx0HbKH3p5Y
  • openai-domain-verification=dv-6rc3l5HvRW3IHhQ0wMMap1JQ
  • rovag_verification_token=DDE3C336CDB840299A27E3E1BED125DD
  • fireflies-verification=01K94VYC92MDYRJC2Z45ZN2N61.ffverify.fireflies.ai-request-verification=2025-11-03T12:44:18Z
Full email verification for joist.com

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