Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rgmark.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 02:32:42 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 104.21.11.38
- 172.67.165.32
- 2606:4700:3037::ac43:a520
- 2606:4700:3035::6815:b26
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.139.27 ↩ yuiadsk-in-f27.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
SOA Record
Raw SOA
amos.ns.cloudflare.com dns.cloudflare.com 2396977517 10000 2400 604800 1800
Primary NS (mname)
amos.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396977517
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
amos.ns.cloudflare.com
gwen.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 ~all
- facebook-domain-verification=yq4lck7r472w2hokfb13q9fmc7n2j9
- google-site-verification=6BS_drKDeRYAa-8accFE-LDmrlPp10QM824ikRQGAXg
- google-site-verification=NX4kaHGsVgVbNat_QYobXkF9nIT_pDhv13y81rZVVTM
Full email verification for rgmark.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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