Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opstart.ca
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 06:34:22 UTC · ↺ Refresh
MX Hostnames
- SMTP.GOOGLE.COM
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 172.253.122.26 ↩ bh-in-f26.1e100.net
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
SOA Record
Raw SOA
ns1.linode.com info.opstart.ca 2021000074 14400 14400 1209600 86400
Primary NS (mname)
ns1.linode.com
Admin Email (rname)
info@opstart.ca
Serial
2021000074
Refresh
14400s
Retry
14400s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns5.linode.com
ns1.linode.com
ns2.linode.com
ns3.linode.com
ns4.linode.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._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
5 records- google-site-verification=LzltVS259m5BO6UbutR84v2QYnvpWL8kXO9nxegyxDw
- SPFv=spf1 include:_spf.google.com ~all
- ca3-84e55d35dcee4de092d5a345485e1b77
- google-site-verification=_rOJmi6MAuZEIkwsUsADHKrnK9Vp2e134RSUKOWuw7s
- google-site-verification=-5QOmuhb3tIGI0PKkMVyUj9asMzuV_L262alr2SxwMg
Full email verification for opstart.ca
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