Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
flatirons.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 01:54:16 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 13.226.94.114
- 13.226.94.50
- 13.226.94.51
- 13.226.94.68
- 2600:9000:21f9:2200:1d:93c5:1f00:93a1
- 2600:9000:21f9:1a00:1d:93c5:1f00:93a1
- 2600:9000:21f9:aa00:1d:93c5:1f00:93a1
- 2600:9000:21f9:8400:1d:93c5:1f00:93a1
- 2600:9000:21f9:de00:1d:93c5:1f00:93a1
- 2600:9000:21f9:3c00:1d:93c5:1f00:93a1
- 2600:9000:21f9:a000:1d:93c5:1f00:93a1
- 2600:9000:21f9:cc00:1d:93c5:1f00:93a1
Mail Server IPs
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
dns1.p04.nsone.net domains+netlify.netlify.com 1664677435 43200 7200 1209600 3600
Primary NS (mname)
dns1.p04.nsone.net
Admin Email (rname)
domains+netlify@netlify.com
Serial
1664677435
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns4.p04.nsone.net
dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:servers.mcsv.net include:47686896.spf04.hubspotemail.net include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
k1._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
4 records- SPFv=spf1 include:servers.mcsv.net include:47686896.spf04.hubspotemail.net include:_spf.google.com ~all
- fuel-verify=96575beb6ebb4a8a4e762a40c4f773d1
- google-site-verification=6y6wgVI_Rm4ccjtWwjr127ReqCxhUMBFa1YCy4ZE-3M
- openai-domain-verification=dv-kkseEMPGCnREhWpucfwzKKBc
Full email verification for flatirons.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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