Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
columbusconsulting.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 02:26:07 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 10
A / AAAA Records
- 104.198.0.102 ↩ 102.0.198.104.bc.googleusercontent.com
Mail Server IPs
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
- 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
SOA Record
Raw SOA
ns1.dotster.com namehost.worldnic.com 126030304 10800 3600 604800 3600
Primary NS (mname)
ns1.dotster.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030304
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.dotster.com
ns2.dotster.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:66.96.128.0/18 include:_spf.google.com include:auth.msgapp.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
dkim._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
3 records- SPFv=spf1 ip4:66.96.128.0/18 include:_spf.google.com include:auth.msgapp.com ~all
- hvcb4thajp0iub3fh5a8usgk3
- q10uq4jtm9ms1ermji96hg6cuf
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