Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
certara.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:01:47 UTC · ↺ Refresh
MX Hostnames
- certara-com.mail.protection.outlook.com
MX Priorities
- certara-com.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.p03.nsone.net hostmaster.nsone.net 1730120655 43200 7200 1209600 3600
Primary NS (mname)
dns1.p03.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1730120655
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns3.p03.nsone.net
dns4.p03.nsone.net
dns1.p03.nsone.net
dns2.p03.nsone.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:44520764.spf07.hubspotemail.net ip4:192.160.145.0/24 ip4:199.15.213.0/24 ip4:63.76.85.128/25 ip4:4.79.253.226/32 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
27 records- apple-domain-verification=JsCU4bJMemasZ8kl
- box-domain-verification=dea82724504e5240b29107224e77e60bf992cecef4dc7da1ff21cdfc3b04134b
- webexdomainverification.4C675B87A30DB136E053AB06FC0A3F65=54d11980-70e3-4dbd-b65c-192eac02bf75
- dropbox-domain-verification=wrmk8ci2pdxa
- anthropic-domain-verification-mn3hnk=NGon2FWTsejymqUL0i2QsAHFq
- atlassian-domain-verification=jB0XTlmD17g1NWqUUijI0fNRQFlCi3OAqRsGud8WtGaOVbIHhTG2bP4BGLlVv/CB
- miro-verification=a1b3a2c5e06c428565d5aed15184b2621a9b27b5
- adobe-idp-site-verification=504203df83ff69d9be55acd05662eea1089f78f5ff72f4edc6b1f7044fd5a1e6
- docusign=843c7cc9-2824-4f16-a567-4c902414816e
- zenqms-domain-verification=9b1fd98e7c299c403df27f7331920e564062b46a858017f79a551d0a2d7cf8e6zenqms-domain-verification=9fd37ce545135d51bb84fbc549c473ab35f9e88a57ca23a3219ba089a3fd69f5
- atlassian-domain-verification=uB9DxIy01jGqvbLxb346B0YEgyuoLBU0J4ZDa89kC/ou1Hb9yAjUVlQKrh/PylcF
- wiz-domain-verification=79052b5cb2a5e3b51223467365a646fdc2b8bf64b5a073d0c052afaa42a22ec4
- smartsheet-site-validation=fYBVcw34QonHgd26jFTfbsQowqqayXB2
- atlassian-domain-verification=TufEKVplHMcadgFuNMurswxSVGllFel/fvdTrRwuUhp5sma1H8uHt2jnS3FUsaQg
- openai-domain-verification=dv-zr7vfcnIyf9vBa2uEkPUNHWx
- g-p-domain-verification-dxd309=pLix9JUVbxZVGXz0EIbBQAkff
- sending_domain1011321=b58d15a7c9e9a52da47e599465ccff09a2b6f3e132c4309da650d3bc39ea7c49
- ca3-5107bbc2444f4108b720a1fd4911cacd
- ZOOM_verify_fMlJOax9S1mRU6txQJh6Jw
- adobe-sign-verification=b2d5e611d0ce5cec122e0049ad28532
- anthropic-domain-verification-8ckkbj=1s6zB39e99QeIoweaRGV8qrnJ
- cursor-domain-verification-g9m1bn=yIHIqFHIQxGsIuw7oX0Ak28Fu
- SPFv=spf1 include:spf.protection.outlook.com include:44520764.spf07.hubspotemail.net ip4:192.160.145.0/24 ip4:199.15.213.0/24 ip4:63.76.85.128/25 ip4:4.79.253.226/32 -all
- pmxroadmap.azurewebsites.net
- google-site-verification=-vgnnfJltPsDDQDV_ZEf6FDQVBX9UOVToxR_KoYjUv0
- 8ZclvP73EV+VpU2Di0iQ5IzhG08M2VQpi9laFAykXIWzwe0lRc1B12ikuRgKrbFbHDcRk/2TdYzdQYEgrC6huA==
- atlassian-domain-verification=QWfVXgfdUOkrKbLuYVdjQBcyRj3P9mBNuhxAaa825RTGSU3Fa29FpcScgEBwGMXt
Full email verification for certara.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits