Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
corehomesecurity.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 10:58:35 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 0
A / AAAA Records
- 172.67.194.21 (no PTR)
- 104.21.20.190
- 2606:4700:3035::ac43:c215
- 2606:4700:3031::6815:14be
Mail Server IPs
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
SOA Record
Raw SOA
lara.ns.cloudflare.com dns.cloudflare.com 2396584628 10000 2400 604800 1800
Primary NS (mname)
lara.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396584628
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lex.ns.cloudflare.com
lara.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
dkim._domainkey
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- 7nshu43q7shb9klcgdknd7oocr
- facebook-domain-verification=7hs84cyzcilpx0cfxhv0xcvdineknn
- google-site-verification=PzmpyYymWlHWqUvJkVfBD4LA-XDtAWYaUjfDVP4KUNU
- SPFv=spf1 include:_spf.google.com ~all
Full email verification for corehomesecurity.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits