Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
portageonline.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 18:29:12 UTC · ↺ Refresh
MX Hostnames
- portageonline-com.mail.protection.outlook.com
MX Priorities
- portageonline-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.168.102.108 ↩ server-3-168-102-108.jfk52.r.cloudfront.net
- 3.168.102.47 ↩ server-3-168-102-47.jfk52.r.cloudfront.net
- 3.168.102.56
- 3.168.102.63
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-2035.awsdns-62.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-2035.awsdns-62.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1435.awsdns-51.org
ns-2035.awsdns-62.co.uk
ns-206.awsdns-25.com
ns-947.awsdns-54.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sparkpostmail.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- MS=ms96102023
- google-site-verification=Slt8EBUAuVn9WjFhouACF9IxlF7kLIAaS7yqv1Fe3fk
- SPFv=spf1 include:spf.protection.outlook.com include:sparkpostmail.com -all
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 portageonline.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits