Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nlrb.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 22:27:44 UTC · ↺ Refresh
MX Hostnames
- nlrb-gov.mail.protection.outlook.com
MX Priorities
- nlrb-gov.mail.protection.outlook.com: 10
A / AAAA Records
- 20.41.44.121 (no PTR)
Mail Server IPs
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
auth20.ns.wcom.com hostmaster.uu.net 400694 21600 3600 1728000 21600
Primary NS (mname)
auth20.ns.wcom.com
Admin Email (rname)
hostmaster@uu.net
Serial
400694
Refresh
21600s
Retry
3600s
Expire
1728000s
Minimum TTL
21600s
Nameservers (NS)
auth40.ns.uu.net
auth20.ns.wcom.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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
5 records- MS=ms90222033
- canva-site-verification=Lh62EOeYgsKl68c8bLX6tw
- box-domain-verification=209df7e8384268e706e2f281207e5a9288f5b4fc42806271b4fda2058dafe229
- adobe-sign-verification=214f35d875fb359554535e0a428a41b05feef308d3fae2b65cc6f86830a4ba81
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
Full email verification for nlrb.gov
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