Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rcbc.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 22:55:46 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
A / AAAA Records
- 159.60.158.16
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
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
SOA Record
Raw SOA
alcyone.rcbc.com admin.rcbc.com 2025961207 1200 600 1209600 300
Primary NS (mname)
alcyone.rcbc.com
Admin Email (rname)
admin@rcbc.com
Serial
2025961207
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
andres.rcbc.com
ns1.f5clouddns.com
gabriela.rcbc.com
ns2.f5clouddns.com
SPF Record
✓ Strict (-all)
v=spf1 a ip4:103.53.154.104/32 ip4:103.53.155.79/32 ip4:103.53.155.80/32 ip4:103.53.154.24/32 ip4:103.53.154.99/32 ip4:103.53.154.105/32 ip4:103.53.154.4/32 ip4:54.79.123.149/32 ip4:52.62.169.21/32 include:_spf.google.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 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- "Pg7Cfr0tQMCFXhH7w0HVpxFMh9K1xau/PiT6nNyCqaA="
- google-site-verification=EQwdYCZVllpDXJtjeXf-13drRcQUpYOjAY77HYm26-0
- SPFv=spf1 a ip4:103.53.154.104/32 ip4:103.53.155.79/32 ip4:103.53.155.80/32 ip4:103.53.154.24/32 ip4:103.53.154.99/32 ip4:103.53.154.105/32 ip4:103.53.154.4/32 ip4:54.79.123.149/32 ip4:52.62.169.21/32 include:_spf.google.com include:_spf.salesforce.com -all
- MS=ms63971563
- _globalsign-domain-verification=p_eL3J3PEh69Cm6GqKaicR4ECSUA1T1VnAqs_xGjJz
- Dynatrace-site-verification=3ab3a037-7f5c-45ca-ab47-3235ed0371d6__topdioq6amkq16th7v5b2j66ru
- dSCnslGv+b1doTEK2QpUL3P8hIMQsCqa0jVWc8/3S08=
- "qN3mSyzJyK6VN6SJgcru8V9iL0/ixn5WXDRrH21FYeM="
- _globalsign-domain-verification=6i82fpoZqM_1wQlsGR6ce4uYq9LjnkLg94iqDdSJK2
- "dT5vhH/3GjVfvJgAlPq3zFhbVscvBZx5vxpxVEZ/qs4="
Full email verification for rcbc.com
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