Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vanguardmodular.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:27:11 UTC · ↺ Refresh
MX Hostnames
- vanguardmodular-com.mail.protection.outlook.com
MX Priorities
- vanguardmodular-com.mail.protection.outlook.com: 0
A / AAAA Records
- 69.10.157.53 (no PTR)
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns43.domaincontrol.com dns.jomax.net 2025010804 28800 7200 604800 600
Primary NS (mname)
ns43.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025010804
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns44.domaincontrol.com
ns43.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:relay.mailchannels.net include:_spf.salesforce.com ip4:208.98.196.192/28 ip4:209.89.138.192/28 ip4:184.71.251.210 A MX -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
2 records- knowbe4-site-verification=61895c5d143ec5f1987f6031fde76154
- SPFv=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com include:relay.mailchannels.net include:_spf.salesforce.com ip4:208.98.196.192/28 ip4:209.89.138.192/28 ip4:184.71.251.210 A MX -all
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