Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
threecolts.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 22:50:39 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 104.26.3.245
- 104.26.2.245
- 172.67.71.115
- 2606:4700:20::ac43:4773
- 2606:4700:20::681a:3f5
- 2606:4700:20::681a:2f5
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.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-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
boyd.ns.cloudflare.com dns.cloudflare.com 2399140174 10000 2400 604800 1800
Primary NS (mname)
boyd.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399140174
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
boyd.ns.cloudflare.com
nina.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:amazonses.com include:spf.useresponse.com include:_spf.intacct.com include:_spf.salesforce.com include:50103485.spf04.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; sp=reject; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
19 records- slack-domain-verification=W9HWRNkp5T5idXXaiFEbAQqoIsInlbQCqa5UoPW6
- google-site-verification=dUxws3PLADqso_CCsmWCO5MRNwXPiH4ZO9a357RUyNE
- intacct-esk=1EEFDBFB7911D25EE0632986450A38D8
- anthropic-domain-verification-5jr0s7=xR4r4OuK00blFF90rI3qjNzJB
- google-site-verification=xUq3hpKY8TuwjaloCSH27Gjd7ahfm6TrgiYt4Ws8xxk
- cursor-domain-verification-2mges9=tE9B2dkuUjQ50Yf5W0GFVGdu3
- box-domain-verification=437f14346280786ea440ba94cb2e6e8eea48d0a2350fbb9d5e92bdcc1b09c0b8
- SPFv=spf1 include:_spf.google.com include:amazonses.com include:spf.useresponse.com include:_spf.intacct.com include:_spf.salesforce.com include:50103485.spf04.hubspotemail.net -all
- stripe-verification=BF2FCA1C7ACC4B3EC568344EB937BE2B94A2FB2BB59EC8EABDD4822F84FAA50F
- google-site-verification=Tz7Lq8dTCaINIMNFmrHsZWn1MFvm5eoVZIQkotG9hoA
- MS=ms77847930
- mixpanel-domain-verify=4a8406d4-2010-4000-98ae-84024ce4c2a5
- canva-site-verification=kvPG44zpKVPGzLmBD1Lxhg
- openai-domain-verification=dv-RugTy5w4esKtvvUibw75zhBR
- openai-domain-verification=dv-NO0gqDgjU3gk37tYdcklScR5
- figma-domain-verification=5de47a063406810ae6f386a007cf97dc0519062d6332cc053a30f5c16a232fbe-1744112901
- zoho-verification=zb39884022.zmverify.zoho.in
- atlassian-domain-verification=wvHr2JOiQFBrBErTBgC/xuusGkBL7orTiAJd6NvWabOgx7L0xS/sCqCG2NvzyDtR
- linear-domain-verification=dzwmwr2bjhn5
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