Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preemptive.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 12:33:13 UTC · ↺ Refresh
MX Hostnames
- preemptive-com.mail.protection.outlook.com
MX Priorities
- preemptive-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.72.38.250 ↩ ec2-52-72-38-250.compute-1.amazonaws.com
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-546.awsdns-04.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-546.awsdns-04.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1223.awsdns-24.org
ns-1899.awsdns-45.co.uk
ns-445.awsdns-55.com
ns-546.awsdns-04.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:52.72.247.40 ip6:2603:1000::/24 ip6:2a01:111:f400::/48 include:customers.clickdimensions.com include:_spf.salesforce.com include:mail.zendesk.com include:spf2.preemptive.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]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
15 records- google-site-verification=wZS4_FbK9ErrmBB2Xb10v1yTDul1uZohnL3zGpU2bbI
- google-site-verification=bsO_NQOkBqv5smF0t9ryAFZT1DWqTxQm5252SKgk46c
- google-site-verification=BjqUuPn9-asX8f09Bo2_ftStdPaCkvL4eBs-wDYg7i0
- google-site-verification=Sw2Tr05x2FGbQQO_DMBXA1YmKTW4qFX60EOXk-Hgngs
- SPFv=spf1 include:spf.protection.outlook.com ip4:52.72.247.40 ip6:2603:1000::/24 ip6:2a01:111:f400::/48 include:customers.clickdimensions.com include:_spf.salesforce.com include:mail.zendesk.com include:spf2.preemptive.com -all
- google-site-verification=8FchSSquEtM8oJbA-oRN5ZFhqZxXS1H7eHukpkiy81k
- MS=ms85979233
- google-site-verification=Zs9CDdm6-dHaSbGMURMt3FcVTJtkSNuirLQsGSFvg4I
- have-i-been-pwned-verification=1f9375cf592ca6a99655e5f1d682ecf1
- MS=ms16758260
- google-site-verification=uIAFnEckAYyNeHhRPXKoTOtsyETBl_y-mUsAuJplkOE
- atlassian-domain-verification=uH54tDJHrGvFyuNWLyKP6I6RUX3ReiuF4ishRjTGYRLOMvp/4HyP8w2Wv1VJQGgA
- atlassian-domain-verification=VpXEWa2wEx0Rj2LjRiWOA7r5oUG6waAfSEK93Wzg5eWihWdWddALjRBZs5U1gmLN
- knowbe4-site-verification=c2601f709fa62bce1f741c2c778107e7
- google-site-verification=3nGT9j1zn6s4EWWb9Jfd-etjI3xyErQbQVe3MNgQwyk
Full email verification for preemptive.com
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