Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
onecoredevit.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 04:57:42 UTC · ↺ Refresh
MX Hostnames
- onecoredevit-com.mail.protection.outlook.com
MX Priorities
- onecoredevit-com.mail.protection.outlook.com: 10
A / AAAA Records
- 172.67.180.185 (no PTR)
- 104.21.18.67 (no PTR)
- 2606:4700:3032::ac43:b4b9 (no PTR)
- 2606:4700:3034::6815:1243 (no PTR)
Mail Server IPs
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
cecelia.ns.cloudflare.com dns.cloudflare.com 2396417153 10000 2400 604800 1800
Primary NS (mname)
cecelia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396417153
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cecelia.ns.cloudflare.com
renan.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:22643846.spf04.hubspotemail.net include:mailgun.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
7 records- SPFv=spf1 include:spf.protection.outlook.com include:22643846.spf04.hubspotemail.net include:mailgun.org -all
- apple-domain-verification=45qtoeDVM8OKfXoT
- blogarama-f7feebc1-7845-4cb8-b7ad-cf138c52b209
- facebook-domain-verification=kqzt05elht9322x9hy84u6l9il1s8i
- google-site-verification=md94pE0XMGm3ZynFZaHaH3GfG5rUCoYkMfeKCIGyrEs
- linkedin-site-verification=bb9b89c1-d7a4-41c2-a58a-63fecc83dcbe
- trnjn083bgcc3vuudmn26nl508
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