Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
criticalmass.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 08:39:14 UTC · ↺ Refresh
MX Hostnames
- criticalmass-com.mail.protection.outlook.com
MX Priorities
- criticalmass-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.48.224.112 ↩ a23-48-224-112.deploy.static.akamaitechnologies.com
- 23.48.224.107 ↩ a23-48-224-107.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:16::17c4:32b
- 2600:141b:1c00:16::17c4:327
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns82.ultradns.com hostmaster.omnicomgroup.com 2020031071 7200 600 2419200 3600
Primary NS (mname)
pdns82.ultradns.com
Admin Email (rname)
hostmaster@omnicomgroup.com
Serial
2020031071
Refresh
7200s
Retry
600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
pdns82.ultradns.com
pdns82.ultradns.net
pdns82.ultradns.org
pdns82.ultradns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.oneomnicom.com include:mailgun.org include:spf.mandrillapp.com include:servers.mcsv.net include:_spfmo.mediaocean.com include:mg-spf.greenhouse.io a:mailmx.criticalmass.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
9 records- atlassian-domain-verification=jnECo5N3FFedMZvGze/NG2GaOw0UEzP3iXUmtmPDs29kJD205r8M0ZM7jTqNrESh
- SPFv=spf1 include:_spf.oneomnicom.com include:mailgun.org include:spf.mandrillapp.com include:servers.mcsv.net include:_spfmo.mediaocean.com include:mg-spf.greenhouse.io a:mailmx.criticalmass.com -all
- ibmid=3727ed14-9d1f-4e67-9cb2-ba5655de7ca4
- google-gws-recovery-domain-verification=51651865
- openai-domain-verification=dv-VOw2WpqdmnE5UCN7O19t4biQ
- miro-verification=0fd31b9c917103bbc50d43ab3781940f48d0ce94
- smartsheet-site-validation=4QVXg65uU9wLn2MlldUC1mWpaZXzBG8q
- adobe-idp-site-verification=6c9dedea9efeb67f02477f233d993b573b355af7324452757e37e0ffea1d83b4
- cisco-ci-domain-verification=a01cbe13ad44d0fd17e02f7dcdbc9e6ac1872048eba334eb2b042ab31d6b183
Full email verification for criticalmass.com
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