Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
mas.org
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-23 13:35:17 UTC ยท โบ Refresh
MX Hostnames
- mas-org.mail.eo.outlook.com
MX Priorities
- mas-org.mail.eo.outlook.com: 1
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 52.101.11.3 โฉ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.40.6 โฉ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.41.28 โฉ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.9.0 โฉ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 โฉ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 โฉ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c931:: โฉ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 โฉ mail-dm6pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1471.awsdns-55.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1471.awsdns-55.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-757.awsdns-30.net
ns-1471.awsdns-55.org
ns-1597.awsdns-07.co.uk
ns-432.awsdns-54.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.neonemails.com -all
๐ DNS lookups: 3/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none;
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
โ No aggregate reports (rua= not set)
DKIM Selectors
โ 1 found
k1._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.neonemails.com -all
- ca3-e6d8b9e4771f4f6fa19a9bcd906d9c0b
- google-site-verification=t04sQMtfUuDRjytup1p2Vidx0iqn5d53qlG8XI6E1rQ
Full email verification for mas.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits