Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
builderlynx.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 20:44:40 UTC · ↺ Refresh
MX Hostnames
- a.mx.builderlynx.com
MX Priorities
- a.mx.builderlynx.com: 0
A / AAAA Records
- 67.213.72.9 ↩ mandelbrot.builderlynx.com
Mail Server IPs
- 67.213.72.3 ↩ daubechies.builderlynx.com
SOA Record
Raw SOA
a.ns.builderlynx.com hostmaster.builderlynx.com 1774149782 16384 2048 1048576 2560
Primary NS (mname)
a.ns.builderlynx.com
Admin Email (rname)
hostmaster@builderlynx.com
Serial
1774149782
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
a.ns.builderlynx.com
b.ns.builderlynx.com
ns2.afraid.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:67.213.72.3 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; ri=604800; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=CrtH5TtGQb9THyuLxf_yype9_zZO4IoMrQe1Pgwe3Io
- google-site-verification=FiCYX-pq-cQRYis5gQwZC8vwpW-gsD5gHk1BfJ1WEBQ
- SPFv=spf1 ip4:67.213.72.3 -all
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