Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbccm.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 20:36:05 UTC · ↺ Refresh
MX Hostnames
- mx1.hc391-17.ca.iphmx.com
- mx2.hc391-17.ca.iphmx.com
MX Priorities
- mx1.hc391-17.ca.iphmx.com: 5
- mx2.hc391-17.ca.iphmx.com: 5
A / AAAA Records
- 204.74.99.100 ↩ crs.ultradns.net
Mail Server IPs
- 216.71.135.143 ↩ esa.hc391-17.ca.iphmx.com
- 216.71.131.69 ↩ esa.hc391-17.ca.iphmx.com
SOA Record
Raw SOA
edns3.ultradns.com premiumdns.support.neustar 2019086319 600 600 1209600 900
Primary NS (mname)
edns3.ultradns.com
Admin Email (rname)
premiumdns@support.neustar
Serial
2019086319
Refresh
600s
Retry
600s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
edns3.ultradns.com
edns3.ultradns.net
edns3.ultradns.org
ns7.ultradns2.com
ns7.ultradns2.org
edns3.ultradns.biz
SPF Record
✓ Strict (-all)
v=spf1 mx exists:%{i}.spf.hc391-17.ca.iphmx.com exists:%{i}.spf.hc490-56.ca.iphmx.com ip4:142.245.29.128/27 ip4:142.245.61.128/27 ip4:65.221.12.128 ip4:65.221.12.148 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
21 records- asv=6e18be54f612e93c81b716a7a95cc106
- uber-domain-verification=ac383e73-3042-4989-b4d3-f586711db699
- google-site-verification=wBuHCylgNDmdlYzu-cmTxPh3K6EFsB92shQHy1JnYGM
- Dynatrace-site-verification=fde8d26d-f44d-4339-b552-e4934c63a711__1uvqmc39lpjl5l48j7o4r98pod
- flexera-domain-verification-cacjpqasxycoshlz
- MS=5095E3805D5D9CD76DDCF073CEE555FC3BDDB1D8
- apple-domain-verification=gznOmi1ZctaFmxEr
- ZOOM_verify_Ld-U19CJSiW8zkj0TeDF6A
- anthropic-domain-verification-weed3t=w0WKFUi96bwzyBmT6vmenOlFj
- vYNPbxwF5wxGQwnFNsOOPCDEVFqMgwWpndHQhb068VAdjEf4Q8He779CdESm9kz4l2CACfocRDAtYY1Ia182TQ==
- SPFv=spf1 mx exists:%{i}.spf.hc391-17.ca.iphmx.com exists:%{i}.spf.hc490-56.ca.iphmx.com ip4:142.245.29.128/27 ip4:142.245.61.128/27 ip4:65.221.12.128 ip4:65.221.12.148 include:spf.protection.outlook.com -all
- yYqfRq8lgswylF5EhzZI
- mongodb-site-verification=v1WwSAlNt4e69ncLJh9ZNoMbcypKvd1H
- box-domain-verification=51832010a3f603e882d42be1b824d34ca67aaaff3e2e9ba5219d9a58a8bffb34
- oFsrQ36p8BBZLeKrNEYmAE8BTb1uq7D45hS3DB+IG91iG+sUxGSmKzb/+IGUa0kAAIHHy8TxXRuBJOwIz8Z/4A==
- canva-site-verification=vbiSO7-Ibs6ZKUGUKJXQQg
- figma-domain-verification=9b7e21ee536f107734afb6741613b9cf7efd1e51d3668dec227ea3f1229c8609-1740587603
- mongodb-site-verification=MDGfGVFKYfsW8pM0UNgH1iXHrf6aRRK3
- adobe-idp-site-verification=35f5ec26db46b47b2d687034824eaabf9359afe2266ab9b428506c7123e393b5
- slack-domain-verification=sNIJEj4jl3hZWLe1v7y5qdF1CwK2Hfmo5fiGhdzO
- MS=ms99233205
Full email verification for rbccm.com
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