Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marin.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 09:09:49 UTC · ↺ Refresh
MX Hostnames
- marin-edu.mail.protection.outlook.com
MX Priorities
- marin-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.26.84 (no PTR)
- 104.18.27.84 (no PTR)
- 2606:4700::6812:1b54
- 2606:4700::6812:1a54
Mail Server IPs
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
blue.foundationdns.com dns.cloudflare.com 2399691695 10000 2400 604800 1800
Primary NS (mname)
blue.foundationdns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399691695
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
blue.foundationdns.com
blue.foundationdns.net
blue.foundationdns.org
ns2.dnsimple.com
ns1.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf1.marin.edu include:spf2.marin.edu include:spf3.marin.edu include:zcsend.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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
mail._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
9 records- ZOOM_verify_r-xtche-QUKPXHTBW5E3HA,
- adobe-idp-site-verification=038cc946ded8c913e5ed2b2704f94c22f712f568eb40c2689b131c236f469ccf
- amazonses:3By5KHWoD8gTY2jvP65IX3KoU7bexfTKAh6otvGmA1c=
- apple-domain-verification=PoOw5PZnadBrYwjY
- autodiscover.outlook.com
- brevo-code:7fbfa9a9119d518e88301c78f8ef7907
- SPFv=spf1 include:spf1.marin.edu include:spf2.marin.edu include:spf3.marin.edu include:zcsend.net ~all
- yEklCQPYaad0SxmGRkyTaV9dP4EghoQf82jvnbnr6ctvtjzr/RBuHT4AXXKExlwZJJ1uCfm9V4qjhtiJSKe7ww==
- MS=ms62160970
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