Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rsa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 22:36:57 UTC · ↺ Refresh
MX Hostnames
- rsa-com.mail.protection.outlook.com
MX Priorities
- rsa-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.185.0.253 (no PTR)
- 2620:12a:8000::253 (no PTR)
- 2620:12a:8001::253
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1958.awsdns-52.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1958.awsdns-52.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-300.awsdns-37.com
ns-721.awsdns-26.net
ns-1490.awsdns-58.org
ns-1958.awsdns-52.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected],mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected],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
8 records- "pardot797543=a121c07948bd4cf50df49891c71a0c1739de73528fb36098aa383915e9612587"infoblox-domain-mastery=765fce554d7dd73675a4a9779d1967e15493a136eb36b478abb5d6416c510cbf49atlassian-domain-verification=sVvcbIYiJrbfN7cZkqNf3OaQnLyngvusnwaWrdovYqZ10Df6k7uPwBh8/p2k3jYy
- _df2hgo7cd4oudkx9bbfa2qy1t9rlq15rippling-domain-verification=5b787c07e74fd8e0
- _s3m1kf9fvan174wb8w6hke1jjgaf1m1
- apple-domain-verification=xQAhgt4gAwm6cHJj
- google-site-verification=RcV5uS-zNVJ4FsQ1jWG6OBM-W3zN5vSLy13cJ-vlbyM
- securid-domain-verification=l2Qml9lN60428i0
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- MS=ms90489311
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