sourcegraph.com

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
sourcegraph.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 21:10:59 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • aspmx.l.google.com
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 20
  • alt2.aspmx.l.google.com: 20
  • aspmx2.googlemail.com: 30
  • aspmx3.googlemail.com: 30

A / AAAA Records

  • 172.64.155.69 (no PTR)
  • 104.18.32.187 (no PTR)

Mail Server IPs

  • 142.251.179.27 ↩ pd-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.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
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA kay.ns.cloudflare.com dns.cloudflare.com 2404789816 10000 2400 604800 1800
Primary NS (mname)
kay.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404789816
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kay.ns.cloudflare.com
lakas.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:servers.mcsv.net include:spf.mandrillapp.com include:mail.zendesk.com ~all
📊 DNS lookups: 4/10
~ 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

✓ 2 found
google._domainkey
k1._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

26 records
  • v=MCPv1; k=ed25519; p=Cvt4PxLey/K1WwiRlT4vy7W0AB7Wj974QWvV5D6q1bI=
  • stripe-verification=5DECD3E1131B3FF8CB1C1C7F5E3CBC4156D761DEE9CB8B3739B8E80E512C077F
  • docusign=e48a2fac-cac1-40ba-9dcd-fe539360970f
  • hubspot-domain-verification=NTBjNzcxMGMtYjdhNi00OTFlLWI1OTMtNDZmNjBlZGFlMjYy
  • cursor-domain-verification-7ccva4=A0JStjpnuMxlmVyNk855OThvh
  • anthropic-domain-verification-3a70p5=bzE3Oz6DP8rOMBHCbFUMDu7u5
  • stripe-verification=DAD6D046BB8BBC1DC4F8E367F5EA77B2AF8689C135C7967F78799F13D5455CE4
  • google-site-verification=T3S7l-_-xl-zvS9W2eOQe7bLMhCgoUzr5YDI8oBG8lg
  • google-site-verification=l3dgTf2Liqr8bpUuUVDtV77be4gXylGqoSr4v8A8_No
  • google-site-verification=eItRmwtifxiEt3ZFgYSpbQwWGDZ7-HMaImOJvpQJE48
  • jamf-site-verification=MM5MeMR7OmnmxbLbiTlsrw
  • google-site-verification=JVEzECYcQbb6V45oY68sDXWLuX71F4oqUfH-QlrVxX0
  • plain-domain-verification-5rhska=UQ3XpwpORcqItXsdiK6coQ24Y
  • google-site-verification=zPq1-8nBNbdAgauv6c9KwF4uLdxC3Xb7rxcfs_X2J7E
  • notion-domain-verification=XwI74yGCMLWv7Dbn0u9eDkc1WBDHOQ43AoSc9JjyIef
  • SPFv=spf1 include:_spf.google.com include:servers.mcsv.net include:spf.mandrillapp.com include:mail.zendesk.com ~all
  • linear-domain-verification=fyh7fz3dcjbw
  • drift-domain-verification=23fc930e5f63fcb02dd7704a588236e60bd496964d040f3652bbe73bfdfdcb2f
  • h1-domain-verification=a6fXqcjsbt4J9RK4HrGkwuCiDkVNmrktmiU7xhviPfz2vdhN
  • docker-verification=84734653-a079-47f6-986c-f85f1a9f7eed
  • google-site-verification=YRwAt8GvfHIbsUk_efqawpq9_4rtyNgs48e3AD1vDfw
  • loom-site-verification=3d371a8e7d8b4b4db486ff4aba2b58bb
  • MS=ms45504580
  • hcp-domain-verification=b5a090b96e988894f3321a8ae5e6cc41411c85b6cab45d06f1fb4347ea6df02f
  • apple-domain-verification=sI19IZE99xWkomyJ
  • google-site-verification=MFxAPeF-N5H87Q4Dc5ortHlwVxDLF4EO9c4jvxh_LWg
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 · Customize →
See demo & docs
Deep verification
Full email verification for sourcegraph.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits