Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
concasa.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 21:36:20 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 162.159.134.42
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns23.worldnic.com namehost.worldnic.com 126030509 10800 3600 604800 3600
Primary NS (mname)
ns23.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030509
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns23.worldnic.com
ns24.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:infusionmail.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=10; fo=1; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 2 found
google._domainkey
mail._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
9 records- google-site-verification=sDNE8_srWB4cirgelsMCFKx9LmnF4dVD-2hI3ifsZGM
- MS=ms49396897
- google-site-verification=kupAQBtbtGqiFOjWaQ6O5IVanpFIrHUecIltdp8LtiQ
- facebook-domain-verification=d2f195jlhpj12vjjqkmg85znv3jdsq
- SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com include:infusionmail.com include:spf.mandrillapp.com ~all
- ca3-5580fee8fc634208b3afa6dfb48eae03
- MS=ms82451322
- brevo-code:7e61cf1263b8845c3b4de2f73972af5d
- ZOOM_verify_5kq9A4koQL23D5hg3vbjng
Full email verification for concasa.com
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