Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dyc.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 19:18:56 UTC · ↺ Refresh
MX Hostnames
- dyc-edu.mail.protection.outlook.com
MX Priorities
- dyc-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 23.185.0.1 (no PTR)
- 2620:12a:8000::1 (no PTR)
- 2620:12a:8001::1
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.dyc.edu abuse.dyc.edu.\032postmaster.dyc.edu 2017072265 3600 1800 1209600 86400
Primary NS (mname)
ns3.dyc.edu
Admin Email (rname)
abuse@dyc.edu.\032postmaster.dyc.edu
Serial
2017072265
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.dyc.edu
ns19.customer.level3.net
ns10.customer.level3.net
ns4.dyc.edu
ns3.dyc.edu
ns2.dyc.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com mx ip4:199.212.95.25 ip4:199.212.95.37 include:verifymyfafsa.com include:ne16.com include:_spf.salesforce.com include:outboundmail.blackbaud.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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
11 records- zJNW7N+CRVQXN7zkW+QS7RUA5hF4nhBs48iHugTffIAgfgONZvB4G/3Yz4qVpHKkvcmwxtoracFEwMmXopUF9Q==
- testing
- MS=1565ADA66B2D24AEB2311559967B856AFB258CD3
- apple-domain-verification=rXL4oAJDV7pw0GfS
- ciscocidomainverification=d71e3a63f658d82f3b739a70e3e903e7800c973f91c7376f1486e2ad3bde368
- facebook-domain-verification=wxcyj22pxdc33wrw2hwpf93km2awrj
- eiq051j0oco35gqj19kuh95gga
- adobe-idp-site-verification=2111159e63ebc2a1ffcadd870707d35830f85b753f445974b48d60358bc32fee
- cisco-ci-domain-verification=3241f93c716aa5bc845eedc255bb64977a31ab49e6ed78c75874c62b7775d967
- SPFv=spf1 include:spf.protection.outlook.com mx ip4:199.212.95.25 ip4:199.212.95.37 include:verifymyfafsa.com include:ne16.com include:_spf.salesforce.com include:outboundmail.blackbaud.net ~all
- google-site-verification=ADtcusBdGdF4hPa6BDR-xZ-QHH0UNLQ-A3KRqQgiFOs
Full email verification for dyc.edu
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