Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centex.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 11:42:53 UTC · ↺ Refresh
MX Hostnames
- mx.ctt.ispn.net
MX Priorities
- mx.ctt.ispn.net: 10
A / AAAA Records
- 199.16.172.239 (no PTR)
- 199.16.172.9 (no PTR)
- 199.16.173.16 (no PTR)
Mail Server IPs
- 64.35.208.24 ↩ mx.ctt.ispn.net
SOA Record
Raw SOA
ns1.centex.net please_set_email.absolutely.nowhere 2010531305 10800 3600 2592000 900
Primary NS (mname)
ns1.centex.net
Admin Email (rname)
please_set_email@absolutely.nowhere
Serial
2010531305
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s
Nameservers (NS)
ns1.centex.net
ns2.centex.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:69.7.80.0/24 ip4:64.35.208.0/20 ip6:2607:5800::/32 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]!10m; rf=afrf; pct=5; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
⚠ Policy applies to 5% of failing messages only
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- yahoo-verification-key=X1CDsnIiNJCAUQqdud96ffaR+yl2ET/hNt/WJm4iobw=
- SPFv=spf1 mx ip4:69.7.80.0/24 ip4:64.35.208.0/20 ip6:2607:5800::/32 -all
- google-site-verification=6mq5dC8VOrFEQiVjP8d1P7XqnA7Rn893z5oejmzn1Ew
Full email verification for centex.net
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