Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
remingtoncollege.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 01:22:58 UTC · ↺ Refresh
MX Hostnames
- remingtoncollege-edu.mail.protection.outlook.com
MX Priorities
- remingtoncollege-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns94.ultradns.com heather\.mciver.remingtoncollege.edu 2016072468 10800 900 604800 10800
Primary NS (mname)
pdns94.ultradns.com
Admin Email (rname)
heather\@mciver.remingtoncollege.edu
Serial
2016072468
Refresh
10800s
Retry
900s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
pdns94.ultradns.org
pdns94.ultradns.biz
pdns94.ultradns.com
pdns94.ultradns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.229.59.175 ip4:216.229.59.151 include:spf.protection.outlook.com include:spf.constantcontact.com include:_spf.regroupcloud.com include:spf.mandrillapp.com include:sent-via.netsuite.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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- v=msv1 t=b89c8151e228a84481d38e0e63ee7c
- google-site-verification=5-TEAVULoUOiKO_qSgixFVRwJob7r7XoeVQdtjXmbaY
- SPFv=spf1 ip4:216.229.59.175 ip4:216.229.59.151 include:spf.protection.outlook.com include:spf.constantcontact.com include:_spf.regroupcloud.com include:spf.mandrillapp.com include:sent-via.netsuite.com -all
- MS=ms21095128
- mandrill_verify.474Wt7Hv1HWq5eGq2U4LXQ
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 remingtoncollege.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits