Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mslc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 03:46:20 UTC · ↺ Refresh
MX Hostnames
- mslcgov.mail.protection.office365.us
MX Priorities
- mslcgov.mail.protection.office365.us: 10
A / AAAA Records
- 204.251.175.3 (no PTR)
Mail Server IPs
- 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
- 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
SOA Record
Raw SOA
ns25.worldnic.com namehost.worldnic.com 126031811 10800 3600 604800 3600
Primary NS (mname)
ns25.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031811
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns26.worldnic.com
ns25.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:204.251.175.51 ip4:44.206.1.129 include:spf.protection.office365.us include:sendgrid.net include:spf.constantcontact.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=quarantine; fo=1; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
12 records- s7hfwjg3psb3s4fr2vjxd1zx42s6phz7
- ZM6WvDht1hkgTMdlBtbvCqWWQNcmLQtpuDfEOoV6MDtS1kJqdo1wG+Ep+Yhp7WMxB/EbJDcZP9hyFSBVrmqb0Q==
- QHFs93/xplWgZCVfbFE0WnFUVwoOVs5QDpQms4Isf7UVR43jszQ8MDZnQCQ5CoLOA+bueBQuSKaSxrG9ygpPXQ==
- docusign=db483d5b-9ded-42fa-b996-18a57cdc18dc
- docusign=c352b1a7-9f08-44af-a48d-c8e67d9f7e00
- smartsheet-site-validation=fG4uoHAt5aqPI3oRYs-RB2jWUo3gI67z
- _285zwtekcrziemas825cki64x8bp1ec
- adobe-idp-site-verification=a3868afed8a3a5bc01f82bd65b4985c9ec8f01e1a4759aa21a73191874cf230c
- _udzov8hr5d27pq3xqtxtz5blkzgm1fa
- airtable-verification=b0c5242cf031e930577b2d88837270ae
- SPFv=spf1 a mx ip4:204.251.175.51 ip4:44.206.1.129 include:spf.protection.office365.us include:sendgrid.net include:spf.constantcontact.com ~all
- MS=ms51973528
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