Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spcorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 06:47:35 UTC · ↺ Refresh
MX Hostnames
- msdcloud.mail.protection.outlook.com
MX Priorities
- msdcloud.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.p03.nsone.net hostmaster.nsone.net 1743015778 43200 7200 1209600 3600
Primary NS (mname)
dns1.p03.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1743015778
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns2.p03.nsone.net
dns3.p03.nsone.net
dns4.p03.nsone.net
ns01.msddns.com
ns02.msddns.com
ns03.msddns.com
ns04.msddns.com
dns1.p03.nsone.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.merck.com include:eu.epidm.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
5 records- tg3P6I9G5FFQ5DMrQYzSCp5uA/v/1iOmVnCxUkTobemoZb10trHTBNLxYb3vLr+sT2Kkx7H+ut8VaXVXjqXZjQ==
- MS=ms12521085
- spf2.0/pra include:eu.epidm.net -all
- Schering-Plough Research - Kenilworth NJ
- SPFv=spf1 include:spf1.merck.com include:eu.epidm.net -all
Full email verification for spcorp.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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