Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
open-co.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 10:55:24 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
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 34.96.66.192
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 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
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
ns-1896.awsdns-45.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1896.awsdns-45.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1896.awsdns-45.co.uk
ns-481.awsdns-60.com
ns-560.awsdns-06.net
ns-1408.awsdns-48.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf.salesforce.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 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
20 records- slack-domain-verification=EsCt0Kqks4gIakjdze1NCf4wIEwiuBcuNIMgbf0a
- atlassian-sending-domain-verification=5474fafe-0e99-4faf-902d-31caca997ba1
- mongodb-site-verification=xOSeoYBU2R2JwFh0LRlUgBp1TXmTMqln
- clicksign-domain-verification=2Hq2k1sXTteILrwJ8UzWLVGxMYdaOijF46WWbuxcCqk=
- knowbe4-site-verification=fb437abe745faeae9b1a41be25883ffa
- clicksign-domain-verification=KqSXh4shHfNZMdnTZ36u+ZUzdMe0dhwf2Ro1qAIPMvM=
- facebook-domain-verification=3oame6bsjqirjjuwyq6ifv0w0e1dnz
- google-site-verification=rHBoGit6g3t04H_grnuwt5rJAGvGMEbiwl2jBDs9Eo0
- MS=ms94805355
- clicksign-domain-verification=kTODSRYz4hnULteXlPepS6fb7SSOMAF2Fk2a4q1PRAI=
- atlassian-domain-verification=FeZPINs28xkZ02AsBG8naeqz9OkjyPBc/zJIXwWpiXFJYJKWSIA/AwHUwBA5ym/5
- ZOOM_verify_bgXqVacAT6aW03PvVGDDiQ
- clicksign-domain-verification=3CQh1VfiqLyiMv4lizcph2Tupsy6Yo5hc6NNtYr96qE=
- clicksign-domain-verification=V9nuBOR+sahPD0i+A+qBDxGNdGMMTKpUM9NoNGFCg18=
- google-site-verification=vQrqxJZu29L7S2cA2rb7cZmietyZwf8vSRLSoc0V-yA
- hubspot-y09GM94wIM6V
- new-relic-domain-verification=aeedc45b3c0d4700b28440e0b742c0d8
- google-site-verification=TAJwP-Z98dUkJYD_00JVa92eU-N7j5_44z7TrOVQ6C0
- google-site-verification=yL7325XF8AprtLy3DSfc9KU2cBEL-G5Ky1SnFKy-zxE
- SPFv=spf1 include:_spf.google.com include:_spf.salesforce.com ~all
Full email verification for open-co.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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