Domain Overview
DNS: ✓ 10h ago
Checker: ✓ 10h ago
assured-systems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 20:30:18 UTC · ↺ Refresh
MX Hostnames
- assuredsystems-com01i.mail.protection.outlook.com
MX Priorities
- assuredsystems-com01i.mail.protection.outlook.com: 30
A / AAAA Records
- 104.26.0.172 (no PTR)
- 104.26.1.172 (no PTR)
- 172.67.75.42
- 2606:4700:20::681a:ac
- 2606:4700:20::ac43:4b2a
- 2606:4700:20::681a:1ac
Mail Server IPs
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
cris.ns.cloudflare.com dns.cloudflare.com 2403883115 10000 2400 604800 1800
Primary NS (mname)
cris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403883115
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cris.ns.cloudflare.com
paige.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=7oavwSxklAyEtXJSoNgjlecQDQvrb_1KL7F-yO25EAY
- google-site-verification=BC49zr3EZcgvcw8bDcroNvdb0IVCePnkMYLbCcwLXkg
- SPFv=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com -all
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