Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
yhc.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 22:08:45 UTC · ↺ Refresh
MX Hostnames
- yhc-edu.mail.eo.outlook.com
- yhc-edu.mail.protection.outlook.com
MX Priorities
- yhc-edu.mail.protection.outlook.com: 10
- yhc-edu.mail.eo.outlook.com: 20
A / AAAA Records
- 141.193.213.20
- 141.193.213.21
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.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:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.10.5
- 52.101.41.26
- 2a01:111:f403:f90a::1
- 2a01:111:f403:f804::1
- 2a01:111:f403:c902::2
- 2a01:111:f403:c902::14
SOA Record
Raw SOA
a1.uberns.com ns1.brmemc.net 2603250017 21600 7200 1209600 43200
Primary NS (mname)
a1.uberns.com
Admin Email (rname)
ns1@brmemc.net
Serial
2603250017
Refresh
21600s
Retry
7200s
Expire
1209600s
Minimum TTL
43200s
Nameservers (NS)
b1.uberns.com
a1.uberns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com include:_spf.academicworks.com include:secure.giftlegacy.com include:spf.mailgun.yhc.edu ip4:23.253.122.75 ip4:159.112.246.249 ip4:66.119.96.100 ip4:168.245.122.109 ip4:50.31.43.252 ip4:52.45.50.190 ip4:3.218.253.173 ip4:192.254.119.180 ip4:167.89.2.174 ip4:192.254.121.231 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; aspf=r; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
7 records- SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com include:_spf.academicworks.com include:secure.giftlegacy.com include:spf.mailgun.yhc.edu ip4:23.253.122.75 ip4:159.112.246.249 ip4:66.119.96.100 ip4:168.245.122.109 ip4:50.31.43.252 ip4:52.45.50.190 ip4:3.218.253.173 ip4:192.254.119.180 ip4:167.89.2.174 ip4:192.254.121.231 -all
- cjs7b5fnd1h2uihf63u72lqks8
- or8bjfbftepbqb9e9ir8f31aj0
- u3iv628b8evj86k5e3qogvdg6c
- 4856d195e454abf33e1ad2602629444329c804767e81e6d653ee11fe3704ce4d
- google-site-verification=kG7MObS1DBOtm-dE3WmoOWw2TGTyVjP5hBQMOQc5uT0
- LPtvGM1JqtMNZklh2l5nZDNA3tsW0BYIQ0Tjc79gWfnpSGsemd75rB+yw3X/JpTY1w794VQ6/IHkIpTBBEbyrQ==
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