Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crefc.org
Yes
✓ Yes
Symantec
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 21:20:18 UTC · ↺ Refresh
MX Hostnames
- cluster6a.us.messagelabs.com
- cluster6.us.messagelabs.com
MX Priorities
- cluster6a.us.messagelabs.com: 20
- cluster6.us.messagelabs.com: 10
A / AAAA Records
- 204.156.165.120 ↩ 204-156-165-120.zone1.ny.fusionnetworks.net
Mail Server IPs
- 34.75.172.113 ↩ 113.172.75.34.bc.googleusercontent.com
- 67.219.250.213 ↩ mail944.messagelabs.com
- 67.219.247.196 ↩ mail928.messagelabs.com
- 67.219.246.217 ↩ mail903.messagelabs.com
SOA Record
Raw SOA
ns11.worldnic.com namehost.worldnic.com 126030616 10800 3600 604800 3600
Primary NS (mname)
ns11.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030616
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns12.worldnic.com
ns11.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:204.156.165.120 a:mail.crefc.org include:mail.imismailcenter.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
9 records- 2egdo2mnjf2jjrceg0lmginovo
- google-site-verification=D90thtz_77l6EXxBoKzA7YUNmSOMijY7LCIXMXf1np0
- MS=ms79641113
- lb94qikpc8u10ood7lhgnqp813
- google-site-verification=7HjXVcBS3-whSrBl5qszEDI3ybIb8InZFqnTzTokIFY
- pax8validate
- SPFv=spf1 mx a ip4:204.156.165.120 a:mail.crefc.org include:mail.imismailcenter.com -all
- 8214u4norrj7ddhif2mk6fcarv
- google-site-verification=Pa23-HsbrcGUXbonjpUemAiM97OVnogGquRFzKRPXMM
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