Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
irsc.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 03:43:37 UTC · ↺ Refresh
MX Hostnames
- irsc-edu.mail.protection.outlook.com
MX Priorities
- irsc-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:12a:8000::3 (no PTR)
- 2620:12a:8001::3
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-06.azure-dns.com hostmaster.irsc.edu 2023052301 10800 3600 86400 3600
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
hostmaster@irsc.edu
Serial
2023052301
Refresh
10800s
Retry
3600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns4-06.azure-dns.info
ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf1.irsc.edu include:spf2.irsc.edu ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;pct=100;adkim=r;aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
14 records- smartsheet-site-validation=qNmvK9L_tosfZRIyggxJgA5ebmPDGbH8
- google-site-verification=m5ar5-BZxbw5cqQLvPqY4ZGHQKkXH-hVmYjeSfjYkac
- ZOOM_verify_9GqQCOflJYgTMITgA9oFVz
- ZOOM_verify_0LI8qNYIs3smbdoRMBarp5
- one-time-verification=5071b9b0-c448-4269-910a-211dd665cb31
- _ivwci7ilktlesnmi12uzvdzy4ohtiic
- asv=5954d83128a81e24ff6701398ae9c1b1
- 2h5JrcGsxLXNcNVFJkU7Lz1ZlknYEOmM/WT2ZBZ5q0/MKFvvXaEmPjO5VRA3W7HlCbwv4d3WQnOCFnrIBwWdxA==
- google-site-verification=Ailc5UDTivcbzYfyR8ixVGgHZNuQTpQLeFRM7kSDBiU
- SPFv=spf1 include:spf.protection.outlook.com include:spf1.irsc.edu include:spf2.irsc.edu ~all
- MS=ms21937143
- apple-domain-verification=WBiiKkV2LJHryCvf
- Bkb7UfNJkFJ+AjVfdI51UwOPArMMzAHH/L/B3p2Sx7011bCdApmxAWP/e0RPS63Plmylj/5mehuBxMx/5DjHCA==
- Indian River State College
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