Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mtc-nyc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 18:16:27 UTC · ↺ Refresh
MX Hostnames
- mtcnyc-org0i.mail.protection.outlook.com
MX Priorities
- mtcnyc-org0i.mail.protection.outlook.com: 10
A / AAAA Records
- 162.144.21.159 ↩ 162-144-21-159.unifiedlayer.com
Mail Server IPs
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns93.worldnic.com namehost.worldnic.com 126020910 10800 3600 604800 3600
Primary NS (mname)
ns93.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126020910
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns93.worldnic.com
ns94.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.us-1.a.mimecastprotect.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r; pct=100; rf=afrf; ri=3600
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.us-1.a.mimecastprotect.com -all
- MS=ms70441036
- MS=5E216F69F17F51FE0011C0C4C9A0C76C2FFB17B0
- ZOOM_verify_smSa4LJhV18Uq9VrqYrFse
Full email verification for mtc-nyc.org
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