Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gresco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 20:31:01 UTC · ↺ Refresh
MX Hostnames
- gresco-com.mail.protection.outlook.com
MX Priorities
- gresco-com.mail.protection.outlook.com: 10
A / AAAA Records
- 172.66.136.241 (no PTR)
- 172.66.133.28 (no PTR)
Mail Server IPs
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dana.ns.cloudflare.com dns.cloudflare.com 2399410614 10000 2400 604800 1800
Primary NS (mname)
dana.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399410614
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dana.ns.cloudflare.com
toby.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:192.254.115.42/32 ip4:192.30.134.116/32 include:spf.protection.outlook.com include:sendgrid.net include:cvent-planner.com include:aspmx.pardot.com include:_spf.salesforce.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- 00D5e000003SgvD=1TBUa00000000hZ
- adobe-idp-site-verification=6eb2baa8d45f06fa3842e18ff4467fa51ab99300e92aa559c2962e83d9061f1e
- atlassian-domain-verification=ZxEHohSrL2gJsgXh/Vl+dnU2H38PWVKFCiwohXyVIEycfEf+k/UySVzeOZSb+OVx
- atlassian-sending-domain-verification=d20bbcbc-014d-45a6-a2e2-c7cc7c166bb1
- ca3-2c69faef6256451aa4ea7f51fa3455c1
- docusign=c205a283-552e-4a7f-b2d6-3477e1f10fda
- openai-domain-verification=dv-8RrFG5yzOU6FlMfgJuWyKi6V
- pardot947712=8795e4036446ff529e22cdaca82aa24cde16658fe7d84856c0054c2e770c39cc
- SPFv=spf1 a mx ip4:192.254.115.42/32 ip4:192.30.134.116/32 include:spf.protection.outlook.com include:sendgrid.net include:cvent-planner.com include:aspmx.pardot.com include:_spf.salesforce.com -all
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