Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nlrlibrary.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 03:24:08 UTC · ↺ Refresh
MX Hostnames
- usa.mx3.mailanyone.net
- usa.mx1.mailanyone.net
- usa.mx2.mx25.net
- usa.mx4.mx25.net
- nlrlibrary-org.mail.protection.outlook.com
MX Priorities
- usa.mx4.mx25.net: 40
- usa.mx1.mailanyone.net: 10
- usa.mx2.mx25.net: 20
- nlrlibrary-org.mail.protection.outlook.com: 0
- usa.mx3.mailanyone.net: 30
A / AAAA Records
- 23.227.38.65
Mail Server IPs
- 208.70.135.116 ↩ mx43.electric.net
- 208.70.135.237 ↩ mx43.electric.net
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns31.worldnic.com namehost.worldnic.com 126022612 10800 3600 604800 3600
Primary NS (mname)
ns31.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126022612
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns31.worldnic.com
ns32.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailanyone.net include:mailgun.org include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; ruf=mailto:[email protected]; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
default._domainkey
k1._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- google-site-verification=OSwRChebxa9nqamsIrlqcQSzVSTHUOoqAPNtgx9fjmA
- vpe=7d675e31
- SPFv=spf1 include:spf.mailanyone.net include:mailgun.org include:spf.protection.outlook.com -all
- MS=ms28735550
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