Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cobaltdbs.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 03:24:41 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 198.49.23.145 (no PTR)
- 198.185.159.144
- 198.185.159.145
- 198.49.23.144
Mail Server IPs
- 172.253.115.27 ↩ bg-in-f27.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
SOA Record
Raw SOA
dns1.p04.nsone.net hostmaster.nsone.net 1655909295 43200 7200 1209600 3600
Primary NS (mname)
dns1.p04.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1655909295
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net
dns1.p04.nsone.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
google._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
2 records- SPFv=spf1 include:_spf.google.com -all
- google-site-verification=OStUNDiPmGSKpBisA2864mAoVt7D8yGIpiSj7h-P5_s
Full email verification for cobaltdbs.com
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