Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lls.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 08:12:48 UTC · ↺ Refresh
MX Hostnames
- lls-edu.mail.protection.outlook.com
MX Priorities
- lls-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 3.33.166.193 ↩ abac8472e85f9b308.awsglobalaccelerator.com
- 15.197.174.176 ↩ abac8472e85f9b308.awsglobalaccelerator.com
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1646.awsdns-13.co.uk jim.lls.lls.edu 2015061340 21600 3600 864000 21600
Primary NS (mname)
ns-1646.awsdns-13.co.uk
Admin Email (rname)
jim@lls.lls.edu
Serial
2015061340
Refresh
21600s
Retry
3600s
Expire
864000s
Minimum TTL
21600s
Nameservers (NS)
ns-1353.awsdns-41.org
ns-1646.awsdns-13.co.uk
ns-462.awsdns-57.com
ns-926.awsdns-51.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:157.242.48.185 include:spf.protection.outlook.com include:a._spf.brightspace.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- sending_domain432012=0792236124b8dba5224424eb030315eccceba8f6eec78430f456c652da9ce43a
- SPFv=spf1 ip4:157.242.48.185 include:spf.protection.outlook.com include:a._spf.brightspace.com -all
- d365mktkey=OxwwOAfNfXDkTzxI2VaLkVBKBuHFGhMeLZcSHUq98Rcx
- d365mktkey=WUQdPv3dZNqIf2PvIhP2cWmxTMglGStqkEAF6A6tKNcx
- eonkjsjgjn3nqcr6dodcqsen1u
- google-site-verification=H8byD83USxjqJ56ugKeH6hT1OsjrljA_MF8TUDuoHGo
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 lls.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits