Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
strongback.ca
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 19:53:56 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 0
A / AAAA Records
- 35.208.209.141 ↩ 141.209.208.35.bc.googleusercontent.com
Mail Server IPs
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 142.251.179.27 ↩ pd-in-f27.1e100.net
- 64.233.180.26 ↩ on-in-f26.1e100.net
- 64.233.180.27 ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 85 10800 3600 1209600 3600
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
85
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx ip4:185.56.86.133 include:_spf.mailspamprotection.com include:strongback.ca.spf.auto.dnssmarthost.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx ip4:185.56.86.133 include:_spf.mailspamprotection.com include:strongback.ca.spf.auto.dnssmarthost.net ~all
- google-site-verification=tID1uJuBltCaseMyhIHBpaxCvQ_Tl6ryi36IM20Rd9I
Full email verification for strongback.ca
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