Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
audubon.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:00:23 UTC · ↺ Refresh
MX Hostnames
- audubon-org.mail.protection.outlook.com
MX Priorities
- audubon-org.mail.protection.outlook.com: 0
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:12a:8000::3 (no PTR)
- 2620:12a:8001::3
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009021425 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009021425
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns10.dnsmadeeasy.com
ns11.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns13.dnsmadeeasy.com
ns12.dnsmadeeasy.com
ns15.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:207.99.25.28 ip4:66.195.53.164 ip4:74.63.218.226 ip4:216.75.6.200 ip4:162.247.160.0/21 ip4:72.21.37.96/27 ip4:198.145.10.0/24 include:spf.protection.outlook.com include:_spfprod.ngpvan.com include:_spf.salesforce.com include:spf.ticketure.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; adkim=r; aspf=r; sp=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
14 records- google-site-verification=hFDW2NyIxHc6vQOV2wPGK1dMBIf_qCD9UmhaFkEaI24
- 8qebf13g2rk3p1l1jqqdlvq5n0
- zapier-domain-verification-challenge=5055196f-1c55-448f-93a5-16f45ee63f56
- atlassian-domain-verification=azYUiKOxosvz0FZ8ACiiagXLK8f9xgGFi/YF9SayAOZe2AVA4aam8X8oeFDJ7Gyo
- atlassian-sending-domain-verification=333b27c2-9ac8-48ed-aca9-2fde0d8faee3
- google-site-verification=OKMWNXlPVYWzFOHgK2iWGs53Lsh_lhOgV0z9x4d9C64
- ZOOM_verify_qA09HAvCQNSJCgVlzOE8Rw
- 2gjpfrk7jkfiikqlp4dvk75k5
- SPFv=spf1 ip4:207.99.25.28 ip4:66.195.53.164 ip4:74.63.218.226 ip4:216.75.6.200 ip4:162.247.160.0/21 ip4:72.21.37.96/27 ip4:198.145.10.0/24 include:spf.protection.outlook.com include:_spfprod.ngpvan.com include:_spf.salesforce.com include:spf.ticketure.com include:_spf.psm.knowbe4.com -all
- bq25kli9tib4i8omlre2tv55b3
- ndm1m4146qhiseftnpsuhcm19k
- l6pgva3ngkn8vr6cjj3t73nqu6
- google-site-verification=ByF17GrFXWzDYJY9bHTd7AtYYXy7QQVsQlb8R8ySrIQ
- apple-domain-verification=bOFBJAE9de4ASfiX
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for audubon.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits