Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mc3.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 11:59:27 UTC · ↺ Refresh
MX Hostnames
- mc3-edu.mail.protection.outlook.com
MX Priorities
- mc3-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.24.114 (no PTR)
- 104.18.25.114 (no PTR)
- 2606:4700::6812:1972
- 2606:4700::6812:1872
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
blue.foundationdns.com dns.cloudflare.com 2400125066 10000 2400 604800 1800
Primary NS (mname)
blue.foundationdns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400125066
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
blue.foundationdns.com
blue.foundationdns.net
blue.foundationdns.org
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:192.245.50.31/32 ip4:52.45.50.190/32 ip4:192.254.120.51 ip4:168.245.104.162 include:spf.protection.outlook.com include:_tuf-spf.touchnet.com include:cust-spf.exacttarget.com include:sfsolutionsmail.com include:_spf.messagegears.net include:_spf-dc4.sapsf.com include:outboundmail.blackbaud.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict 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: 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
10 records- d365mktkey=G5Hx2zLguoEyNepGBv2f6UmPigV6cxhVrvS7CjjjanIx
- facebook-domain-verification=6joh2f4kiqdrz7watw3mw66oascbub
- msfpkey=481btgnwjfm9hc2vhjnz286jq
- SPFv=spf1 mx ip4:192.245.50.31/32 ip4:52.45.50.190/32 ip4:192.254.120.51 ip4:168.245.104.162 include:spf.protection.outlook.com include:_tuf-spf.touchnet.com include:cust-spf.exacttarget.com include:sfsolutionsmail.com include:_spf.messagegears.net include:_spf-dc4.sapsf.com include:outboundmail.blackbaud.net -all
- ZOOM_verify__0b3m_ywT_qWDjdDxbTArg
- adobe-idp-site-verification=563993ec-63f1-4f8f-9fd0-c4a285df0b39
- adobe-idp-site-verification=da54be0cc21e14d310f71fb4f74a5a275cf9582a81757065f895b2a8ae7e1cdb
- apple-domain-verification=6uQdsS29RZDv16sD
- d365mktkey=6j0xFAj2FeAqqldZZomdMUCioO4JxUCDG2MJuxuDv50x
- d365mktkey=7j2IWoC7fT6JCoXk2ibfGREIDuaQ4O7TpCdZnsN0xsMx
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