Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
denvershowerdoor.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 15:15:59 UTC · ↺ Refresh
MX Hostnames
- SMTP.GOOGLE.com
MX Priorities
- smtp.google.com: 10
A / AAAA Records
- 66.37.157.10 ↩ cpanel10.firstlink.com
Mail Server IPs
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
SOA Record
Raw SOA
ns.firstlink.com hostmaster.firstlink.com 2025071701 10800 3600 604800 600
Primary NS (mname)
ns.firstlink.com
Admin Email (rname)
hostmaster@firstlink.com
Serial
2025071701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.firstlink.com
ns3.firstlink.com
ns.firstlink.com
ns4.firstlink.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
google._domainkey
default._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- google-site-verification=R5Uf2osTI6OZmcsCSy_mJsQKHRbEpnlI25MvuSVeZ3Y
- SPFv=spf1 include:_spf.google.com ~all
- google-site-verification=pPi_XSGncjGpcl11j5yAm-0wYGyBzo5_xXKUsuQ0jfI
Full email verification for denvershowerdoor.com
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