Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
tulsalibrary.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 06:19:12 UTC · ↺ Refresh
MX Hostnames
- tulsalibrary-org.mail.protection.outlook.com
MX Priorities
- tulsalibrary-org.mail.protection.outlook.com: 0
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:12a:8000::3 (no PTR)
- 2620:12a:8001::3
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
tccl-web.tulsalibrary.org vendors.tulsalibrary.org 2003022809 43200 3600 1209600 3600
Primary NS (mname)
tccl-web.tulsalibrary.org
Admin Email (rname)
vendors@tulsalibrary.org
Serial
2003022809
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
tccl-web.tulsalibrary.org
dns1.tulsalibrary.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.smtp.com include:_spf.cervistech.com include:amazonses.com include:spf.mailjet.com a:email.tulsalibrary.org a:exchg2019.tulsalibrary.org ip4:198.207.222.5 ip4:198.207.222.50 ip4:198.37.147.129 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=10;rua=mailto:[email protected];ruf=mailto:[email protected];fo=0:1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
3 records- google-site-verification=x63hOpTMesqGn9KO8yiTVElHOFAPARVa20SBvpYbcUU
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.smtp.com include:_spf.cervistech.com include:amazonses.com include:spf.mailjet.com a:email.tulsalibrary.org a:exchg2019.tulsalibrary.org ip4:198.207.222.5 ip4:198.207.222.50 ip4:198.37.147.129 -all
- sgtzxsvFa3k1IPSDkwVR0+ipnVWV5RcjEp9I8lpOtZldhXpjZ7G7/6/dO3d9m5zofz0GQYboAXTfmk3wl6z7SA==
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