Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
masselec.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 14:46:07 UTC · ↺ Refresh
MX Hostnames
- masselec-com.mail.protection.outlook.com
MX Priorities
- masselec-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.217.118 (no PTR)
- 104.21.61.253 (no PTR)
- 2606:4700:3036::ac43:d976
- 2606:4700:3036::6815:3dfd
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dawn.ns.cloudflare.com dns.cloudflare.com 2397624313 10000 2400 604800 1800
Primary NS (mname)
dawn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397624313
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dawn.ns.cloudflare.com
lou.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:kiewit.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; aspf=s; adkim=s; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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
8 records- adobe-idp-site-verification=6c9a14314a703e5ade7bcdbe26790ede0de0d90c74919192bfe52ee7cf6ceca9
- ca3-a96671c1b3614979851eed2d81487264
- docker-verification=c4b3780b-c6aa-43d5-a75f-c059bdd1a913
- google-gws-recovery-domain-verification=46936721
- google-site-verification=mDXqa1Xig3ywEHD0mfC3jIl3PzPdnE2kSk7Zs6Ygjwk
- openai-domain-verification=dv-yQGn6fzoUfRX2VkXn45KneXT
- SPFv=spf1 include:kiewit.com include:spf.protection.outlook.com -all
- Foxit-domain-verification=5f327d910e57c0b252cc6fa1331de274
Full email verification for masselec.com
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