Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blackstonepublishing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:41:39 UTC · ↺ Refresh
MX Hostnames
- blackstonepublishing-com.mail.protection.outlook.com
MX Priorities
- blackstonepublishing-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.227.38.65 ↩ myshopify.com
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
elliot.ns.cloudflare.com dns.cloudflare.com 2398579004 10000 2400 604800 1800
Primary NS (mname)
elliot.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398579004
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elliot.ns.cloudflare.com
michelle.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:spf.mandrillapp.com include:emsd1.com include:em1775.blackstonepublishing.com include:em9486.blackstonepublishing.com ip4:139.60.27.240/28 include:21129138.spf06.hubspotemail.net include:_spf.hostedemail.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
11 records- notion-domain-verification=pcgtFfyMoyhOtWBYj8BPsgsaVuUIebPvoTJeFFYJyOC
- openai-domain-verification=dv-CdjzPcZzizV8xZxXtRjK9khT
- qD6cRe1p1rh9YrgWx8tt6sbU*jq*kyW#LdAgqnC7^%@JNpOeGGFWg^lKa8wGyEZu68ohUH3c4vUbh*%iqdWt6*c#lG1E$7z9J&*
- shopify-verification-code=SlLQkW9nK9UnyIlhL4MEBm4e1SfQDo
- SPFv=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:spf.mandrillapp.com include:emsd1.com include:em1775.blackstonepublishing.com include:em9486.blackstonepublishing.com ip4:139.60.27.240/28 include:21129138.spf06.hubspotemail.net include:_spf.hostedemail.com -all
- ZOOM_verify_UXOMSvLnVsj4ksORpDBIlb
- anthropic-domain-verification-h4e38y=s1ttzRNXYrxpGrdvePry7hmD5
- apple-domain-verification=N3uUwZ3CNmZJPUo9
- google-site-verification=KPKDNRhFGm8j9vqBRz_thHCJh6ngQzM7WvADfo1pvZw
- mandrill_verify.n_aY2D8MxOeKEQQQ1ToZJw
- new-relic-domain-verification=9aba81aed719463ebc403e82dec16fee
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