Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mduresources.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 21:22:55 UTC · ↺ Refresh
MX Hostnames
- mduresources-com.mail.protection.outlook.com
MX Priorities
- mduresources-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.52.4 (no PTR)
- 104.17.53.4 (no PTR)
- 2606:4700::6811:3404
- 2606:4700::6811:3504
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
lina.ns.cloudflare.com dns.cloudflare.com 2399981343 10000 2400 604800 1800
Primary NS (mname)
lina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399981343
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lina.ns.cloudflare.com
nile.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:66.97.254.237 ip4:162.57.239.252 ip4:162.57.254.56 ip4:162.208.56.3 include:email.prnewswire.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; [email protected], mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → [email protected], 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- MS=ms86208024
- cisco-ci-domain-verification=6ed4fc4558b51f40e8e8921f34281c9c748746219f58b9079ef47c9b14b13d56
- e78umq9jj3t73s00r9cva8q612
- fQqJQgXxWFuEDJf5Ybmy0TGVa74d/4SSfmHROGhln+aNc2jQFc6lQV+KJa4FgWJ/KnEeYIDC5PzuuXcGkwbcYA==
- i6a8i06iu9tr1pfmiacn2eerc4
- jamf-site-verification=G6a2Tlfl9wmp7rd9x9Rpag
- pdr6lnnt02p7r2v7rcr24ek7f
- t7mo34nb22lpsqprrbcoocvrct
- SPFv=spf1 mx a ip4:66.97.254.237 ip4:162.57.239.252 ip4:162.57.254.56 ip4:162.208.56.3 include:email.prnewswire.com include:spf.protection.outlook.com -all
- 9SLd5whS4HcLFz/uHXpEurFhnq9O3fXyysEWcJjDKpD7JLolSk/mSiruvlbc0Glat/n/VrW7nvnKK7LEMTgetg==
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