Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cobre.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 07:03:11 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 198.185.159.145
Mail Server IPs
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns-cloud-a1.googledomains.com cloud-dns-hostmaster.google.com 865 21600 3600 259200 300
Primary NS (mname)
ns-cloud-a1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
865
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-a3.googledomains.com
ns-cloud-a4.googledomains.com
ns-cloud-a1.googledomains.com
ns-cloud-a2.googledomains.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.salesforce.com include:_spf.google.com include:24140326.spf04.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:[email protected],mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
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
9 records- qjg9m2bo5qsspkrrsfk1u1on5u
- atlassian-domain-verification=pRTNIjo91yUFf4AEaT/bdaVP8fHHnRtPbnmq2dW6o2ZUoyrQVPphdXo5eOYOeQNI
- google-site-verification=xZeewkuTObI4Q-9qxZXTKuh9JsGjBS8mp1mg9qSRuRE
- arnh4a92u2lagd767higpnfquq
- jamf-site-verification=smB88tHXillVNKAkqJnn9Q
- ccisso=3d20b778-bd93-4842-b123-a4c37108d6dd
- mgverify=d27daf223f1ff9decffae5aaeae508be33fab8831332e3b118e8a5d9ce89facd
- apple-domain-verification=g7DhwWBlwsZdGNda
- SPFv=spf1 include:_spf.salesforce.com include:_spf.google.com include:24140326.spf04.hubspotemail.net -all
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