Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rrmca.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 12:25:19 UTC · ↺ Refresh
MX Hostnames
- rrmca-com.mail.protection.outlook.com
MX Priorities
- rrmca-com.mail.protection.outlook.com: 0
A / AAAA Records
- 166.62.105.245 ↩ 245.105.62.166.host.secureserver.net
Mail Server IPs
- 52.101.124.1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
- 52.101.157.10 ↩ mail-os0p286cu01302.inbound.protection.outlook.com
- 52.101.157.11 ↩ mail-os0p286cu01203.inbound.protection.outlook.com
- 52.101.124.0 ↩ mail-tycp286cu02600.inbound.protection.outlook.com
SOA Record
Raw SOA
ns63.worldnic.com namehost.worldnic.com 126031718 10800 3600 604800 3600
Primary NS (mname)
ns63.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031718
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns64.worldnic.com
ns63.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.muccsys.smtps.jp ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
19 records- 46buhui9bl7o613426soi588tn
- MS=BD0BB4CCF77439461C731CB6EA9F8F06AA13CAE9
- SPFv=spf1 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.muccsys.smtps.jp ~all
- google-site-verification=obcAm_YYJYj9NANIRn2vwg2emNMgVw7-gdXFwHmNKck
- apple-domain-verification=XZGWuvNh4USAz8mO
- pj40iv5mccsll2iqcfbs9pa2rc
- 8068a37kfdf6gm31ssh0dgsiqi
- i01mv7c2t0tth1f3oauv61nlov
- MS=ms27179453
- 0ed1fe018ab3011de573934be295ae1bf3738276be
- google-site-verification=2-0JkVIASz9dsXBhiqUAi6hgSanAgvPeyWIlECD0wf0
- nDAy1topD7tYHy0p/9AhCgRvc7YITzqnAcl8LrJox+193WynUeoXxAaV75ssBDFYvrJwI7sa3ozM5htF+VbXzg==
- atlassian-sending-domain-verification=6791a7dd-6f8a-463a-84aa-f1b653b7402d
- atlassian-domain-verification=hy4sphWj9erwnR05LYivqePydnUrVCRrkydGFZ2Gi7siHWzyfZEz8ljSlTlm9abz
- pandadoc-domain-verification=ZjEB3sUvw7kVZ6i5aWFiWe
- _7loi8hrxdto64dxt7ddvb8kgbmjufo9
- hji7puq48314i4lr07tm9alqmm
- 6ko8t4ul941j6qkr09l7oc33o9
- MS=ms69083236
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