Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bluecollarscholars.net
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 00:58:16 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- smtp.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- smtp.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 104.21.58.27
- 172.67.155.9
- 2606:4700:3033::6815:3a1b
- 2606:4700:3032::ac43:9b09
Mail Server IPs
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 172.253.122.26 ↩ bh-in-f26.1e100.net
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a
- 173.194.76.27
- 2a00:1450:400c:c00::1a
- 108.177.123.26
- 2800:3f0:4003:c0f::1a
- 172.253.116.27
- 2a00:1450:400b:c02::1b
SOA Record
Raw SOA
alfred.ns.cloudflare.com dns.cloudflare.com 2397953912 10000 2400 604800 1800
Primary NS (mname)
alfred.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397953912
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nelci.ns.cloudflare.com
alfred.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:bluecollarscholars.net.spf.auto.dnssmarthost.net include:50089955.spf03.hubspotemail.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
8 records- google-site-verification=J0c-59b3jTkGxpJaJUF2sXgYa33YDcf_BZuTzLaqFYI
- google-site-verification=Bxi23wx_paFnY-uWqZANZKFFXLAPf3Po3WEG4jCVGZ4
- pardot978483=8957a878abb8ale07b16047a24a7345edc46303787a90eb9aa709127ef95eda3
- k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGoQCNwAQdJBy23MrShs1EuHqK/dtDC33QrTqgWd9CJmtM3CK2ZiTYugkhcxnkEtGbzg+IJqcDRNkZHyoRezTf6QbinBB2dbyANEuwKI5DVRBFowQOj9zvM3IvxAEboMlb0szUjAoML94HOkKuGuCkdZ1g bVEi3GcVwrIQphal1QIDAQAB;
- ahrefs-site-verification_526f11cb19f073d8e9915983aef26df7a5e5dbdf7620268eb0c15442528854b5
- DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgnwgKLn7zFh/n26yVyQrXTw8GjV+5jHkFZBx+AfYSMGeI7QzB44NJG1yWfTbOYyvBKpsRrO6P9oRm3F9JF7Q7U+GRzJETzwb34hh1au0CC6fkWmtuwyQ/sgSuZRD4j4VagXRzhjYVcNCvoKKY4cnsQTqj1WD25sQ+eCyjSVHvDOMi63P7u41QBKIaJL0U6AONND4/BMLwUWBANBvTUeJMWztqTUKR+V0sNfOUow2Pl1kt9F3LJYkn+I9CkXC+5AM2ci5mMTETX8MJVhTnJPQd3yhBsA/hPnP9u/7vBbzNmtpfgkpt1/2sVIXAQBeQunam+sVZkDO9qUu3RU4I/Ct+QIDAQAB
- pardot978483=8957a878abb8ale07b16047a24a7345edc46303787a90eb9a709127ef95eda3
- SPFv=spf1 +a +mx include:bluecollarscholars.net.spf.auto.dnssmarthost.net include:50089955.spf03.hubspotemail.net ~all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for bluecollarscholars.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits