Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
protocool.co.uk
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 07:35:33 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx2.googlemail.com
- alt2.aspmx.l.google.com
- aspmx3.googlemail.com
- mx.stackmail.com
MX Priorities
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
- mx.stackmail.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 104.21.88.196 (no PTR)
- 172.67.152.157 (no PTR)
- 2606:4700:3037::ac43:989d (no PTR)
- 2606:4700:3031::6815:58c4 (no PTR)
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 185.151.28.67 ↩ mx.stackmail.com
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
george.ns.cloudflare.com dns.cloudflare.com 2397809116 10000 2400 604800 1800
Primary NS (mname)
george.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397809116
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
michelle.ns.cloudflare.com
george.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:chi-web-01.simprocloud.com include:_spf.google.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100; adkim=s; aspf=s.
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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- google-site-verification=k27WSGdoqvF6tKVvQCgud1PMJ-FyjLK5M13YKfMc1hU
- SPFv=spf1 a:chi-web-01.simprocloud.com include:_spf.google.com ~all
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