Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biosplice.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 03:53:33 UTC · ↺ Refresh
MX Hostnames
- biosplice-com.mail.protection.outlook.com
MX Priorities
- biosplice-com.mail.protection.outlook.com: 0
A / AAAA Records
- 40.118.101.67 (no PTR)
Mail Server IPs
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns41.domaincontrol.com dns.jomax.net 2025072300 28800 7200 604800 600
Primary NS (mname)
ns41.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025072300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns41.domaincontrol.com
ns42.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:199.73.53.135 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; ri=84600;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
4 records- SPFv=spf1 ip4:199.73.53.135 include:spf.protection.outlook.com -all
- 7rt3t5n567v9pe7tf2u9fcalof
- MS=ms86108970
- foxit-domain-verification=9b9312278b7a011838ebd74aff89fd02
Full email verification for biosplice.com
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