Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
slksoftware.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:19:51 UTC · ↺ Refresh
MX Hostnames
- slksoftware-com.mail.protection.outlook.com
MX Priorities
- slksoftware-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.7.195 (no PTR)
- 104.26.6.195 (no PTR)
- 172.67.73.83
- 2606:4700:20::ac43:4953
- 2606:4700:20::681a:7c3
- 2606:4700:20::681a:6c3
Mail Server IPs
- 52.101.144.0 ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
- 52.101.144.3 ↩ mail-ma0pr01cu01103.inbound.protection.outlook.com
- 52.101.145.0 ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com
- 52.101.145.2 ↩ mail-pnypr01cu00202.inbound.protection.outlook.com
- 2a01:111:f403:cc2c:: ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
- 2a01:111:f403:cc2d::1 ↩ mail-pnypr01cu00201.inbound.protection.outlook.com
- 2a01:111:f403:cc2d:: ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com
- 2a01:111:f403:cc2c::1 ↩ mail-ma0pr01cu01101.inbound.protection.outlook.com
SOA Record
Raw SOA
jakub.ns.cloudflare.com dns.cloudflare.com 2398465347 10000 2400 604800 1800
Primary NS (mname)
jakub.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398465347
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
marge.ns.cloudflare.com
jakub.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.goskope.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
10 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.goskope.com -all
- MS=ms46722631
- MS=ms69268184
- MS=ms99440180
- docker-verification=67629665-e644-47da-a8b4-000dedb40fc2
- google-site-verification=AWa-IYQcqLx0XPn2XqMyRiGKmRLDq7LFaJnBzVx4vC4
- google-site-verification=PNR8DbQ1gWpmTlfkiPdgp867xzAZU27L82GuZxRf2vo
- google-site-verification=UUyLTbFPFGQvfZqbfZdrys6qT9D232cMrCvNpBYQ9tM
- ms-domain-verification=085cc9c1-e729-4c05-8941-1c3e170dc39f
- ms-domain-verification=f3c7c6fa-1829-496c-bced-50fdee1fc5e0
Full email verification for slksoftware.com
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