Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coru.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 03:53:34 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 18.191.231.249
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns33.domaincontrol.com dns.jomax.net 2026040100 28800 7200 604800 600
Primary NS (mname)
ns33.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026040100
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns34.domaincontrol.com
ns33.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
default._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
10 records- google-site-verification=-SlvSbHPWudTk9qobdfI02GPoRu3rrpqkGzkDI5IWkw
- SPFv=spf1 include:_spf.google.com -all
- DMARCv=DMARC1; p=quarantine; rua=mailto:[email protected], mailto:[email protected]; pct=100; adkim=s; aspf=s
- atlassian-domain-verification=0Cihsr8aoa25f2EhTEgdgTLmINkyUyO7YaEx1Dw3oAUOENgeJ/1KLah/qRbFj4Gx
- google-site-verification=3HF1CO4IdCiJNVA2lMA33vWW2eLWTb53yOJ5OsPLwNA
- google-site-verification=eGggDo9cy9AENkHsJ8LuAeZad0XnUvQJ-1IadDh9aAs
- google-site-verification=uIEdWMjcT2nG18Ng8_OZgC-0knrzmOYdm0vDIXI63-k
- google-site-verification=XyCYLKhHkNufzDkJmr0Pqv81N9n8GY-dFJFFj7AW95Q
- google-site-verification=hChWR01QtvcbUt57JnwcntOhJZ_QAdUJbgWjRZuyTYM
- google-site-verification=2-8owRiUUvkd5XzbwxWPry5XgtwTTOeGBsD2TrqrBZc
Full email verification for coru.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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