Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rencore.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 16:24:27 UTC · ↺ Refresh
MX Hostnames
- rencore-com.mail.protection.outlook.com
MX Priorities
- rencore-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.159 (no PTR)
- 199.60.103.59 (no PTR)
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
jeremy.ns.cloudflare.com dns.cloudflare.com 2399234922 10000 2400 604800 1800
Primary NS (mname)
jeremy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399234922
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jeremy.ns.cloudflare.com
megan.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:136.243.162.140 include:spf.protection.outlook.com include:u2258367.wl118.sendgrid.net include:servers.mcsv.net include:2919658.spf02.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; fo=1; ri=3600;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
21 records- "kubvqd4gjejt2a02hgtk52jija"
- "v=spf1 mx a ip4:136.243.162.140 include:spf.protection.outlook.com include:u2258367.wl118.sendgrid.net include:servers.mcsv.net include:2919658.spf02.hubspotemail.net -all"
- google-site-verification=1LdmtqJ4FX47SPzEOYMj4cMxMy1gVPvNgvDRQJU1juY
- google-site-verification=qfo2E78Us0NSzpFbwwuT3-bLjm9ewVST4EfZj1rABog
- citrix-verification-code=8299edd5-c9cf-4516-bf2d-22d88e1f4bab
- kubvqd4gjejt2a02hgtk52jija
- "apple-domain-verification=uUn3JPZsnoQzxLyD"
- mscid=qv8AKZHYdTpjh/z47ci4T4iylDH3NF4rGX699Iq079fdHXRHIe8fqCy+Ccmpi8OYS69FwSgMyGnOZDdooP2/wg==
- jeelv5o2b87mn6gt4asiullek7
- anthropic-domain-verification-vf05y4=Vu4rKYca9k7iU82MQ7FQih1f0
- linkedin-site-verification=eee65e93-76d7-4dad-b338-f6a96108a076
- "citrix-verification-code=8299edd5-c9cf-4516-bf2d-22d88e1f4bab"
- "google-site-verification=1LdmtqJ4FX47SPzEOYMj4cMxMy1gVPvNgvDRQJU1juY"
- apple-domain-verification=uUn3JPZsnoQzxLyD
- C6A47CC951
- "q0n00vvn2n1ang1t6t0bcvm1or"
- "C6A47CC951"
- SPFv=spf1 mx a ip4:136.243.162.140 include:spf.protection.outlook.com include:u2258367.wl118.sendgrid.net include:servers.mcsv.net include:2919658.spf02.hubspotemail.net -all
- q0n00vvn2n1ang1t6t0bcvm1or
- "mscid=qv8AKZHYdTpjh/z47ci4T4iylDH3NF4rGX699Iq079fdHXRHIe8fqCy+Ccmpi8OYS69FwSgMyGnOZDdooP2/wg=="
- perplexity-ai-domain-verification-qdwbp9=2J95Vlk8gfmBjq8taj10jmr7w
Full email verification for rencore.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits