Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lawrencehall.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 11:03:53 UTC · ↺ Refresh
MX Hostnames
- lawrencehall-org.mail.protection.outlook.com
MX Priorities
- lawrencehall-org.mail.protection.outlook.com: 10
A / AAAA Records
- 72.167.243.77 ↩ 77.243.167.72.host.secureserver.net
Mail Server IPs
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
dbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 47 10800 3600 604800 86400
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
47
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dmtu.mt.ns.els-gms.att.net
dbru.br.ns.els-gms.att.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:12.218.203.3 ip4:12.218.203.2 include:spf.protection.outlook.com include:outboundmail.convio.net include:outboundmail.blackbaud.net include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
9 records- ll2i90vf2t6cvv06o74d3esfo5
- DMARCv=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none
- SPFv=spf1 a mx ip4:12.218.203.3 ip4:12.218.203.2 include:spf.protection.outlook.com include:outboundmail.convio.net include:outboundmail.blackbaud.net include:_spf.psm.knowbe4.com ~all
- MS=ms47534225
- i6YtKrpfRkLbsVyw3lMJvAnzuIYfXI1HjIIQGxRMO9f84RxCCi/43U84coEs9D3inlufeLkuRKekXcflte+ugw==
- m0vfvvlpbltt47d6l2vdlbdn0h
- _sip._tls IN SRV 100 1 443 sipdir.online.lync.com. _sipfederationtls._tcp IN SRV 100 1 5061 sipfed.online.lync.com
- apple-domain-verification=bDLTHcAv6M0hIZtM
- qejp47h1dmiolg7ihh0fk2ffh3
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for lawrencehall.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits