Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
certusoft.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 00:14:42 UTC · ↺ Refresh
MX Hostnames
- certusoft-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 104.26.1.249
- 172.67.72.203
- 104.26.0.249
- 2606:4700:20::681a:1f9
- 2606:4700:20::ac43:48cb
- 2606:4700:20::681a:f9
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
donna.ns.cloudflare.com
marek.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:198.36.202.186/32 ip4:207.2.87.66/32 ip4:38.142.92.186/32 ip4:207.2.87.70/32 ip4:38.142.92.218/32 include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; aspf=r; adkim=r; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
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
6 records- MS=ms29945475
- atlassian-domain-verification=O9kWduOlkaFlYc0sqntiwzc8yU6OHLhTDcEnnxIIXMQqwWP8rLhkiRWcXtZ38CZf
- atlassian-domain-verification=f0fHKp1DrKOJTp1AeXvlSWnfsWaaJ/S87j5Qy/OVrdUJigSOq/KZHiajGJPJhChN
- atlassian-sending-domain-verification=125490fd-6f16-44cc-a8b7-55565cd23cbb
- linkedin-site-verification=f97d1f96-6788-4979-9103-09517b8e8893
- SPFv=spf1 mx ip4:198.36.202.186/32 ip4:207.2.87.66/32 ip4:38.142.92.186/32 ip4:207.2.87.70/32 ip4:38.142.92.218/32 include:spf.protection.outlook.com ~all
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