upstart13.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
upstart13.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 12:46:40 UTC · ↺ Refresh

MX Hostnames

  • upstart13-com.mail.protection.outlook.com

MX Priorities

  • upstart13-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 31.43.161.6 ↩ sites.framer.app
  • 31.43.160.6 ↩ sites.framer.app

Mail Server IPs

  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com

SOA Record

Raw SOA heidi.ns.cloudflare.com dns.cloudflare.com 2399509941 10000 2400 604800 1800
Primary NS (mname)
heidi.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399509941
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

maciej.ns.cloudflare.com
heidi.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

7 records
  • atlassian-domain-verification=vQL4A3/befaRv4DckURBQFJwL/EMSa0GNRM5zHzvxdOmxLlIcXFb7FQZh3Rl6RyP
  • google-site-verification=JQFY8RQ2tp-zmDoBAjubG48YrauJML3MFfQY1TreQ-Y
  • google-site-verification=r8t_KQDybgr92UrOgE9rsoObqt79mM1BvST3wlRzZ5A
  • google-site-verification=yjo6hTJfqiDBKMb9BeClywvHBdKWYQvMi891QeCHtaQ
  • openai-domain-verification=dv-V1JAtAM4JUrIIogQL6tDx3N1
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms71956712
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