Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
sima.ai
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 04:39:38 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 192.0.66.234
Mail Server IPs
- 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::1a ↩ dj-in-f26.1e100.net
- 172.253.122.26 ↩ bh-in-f26.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
ns-1538.awsdns-00.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1538.awsdns-00.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-739.awsdns-28.net
ns-110.awsdns-13.com
ns-1244.awsdns-27.org
ns-1538.awsdns-00.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ip4:205.234.21.0/28 ip4:23.119.1.16/29 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=100; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
14 records- google-site-verification=8aons3j7_iIiMlyrG2ZbI4fePxO2avJLnkid4TKPkbM
- google-site-verification=KNN1cfqAsYKFJXsrxv3ALJEBY662YI-U2FXhCsX7YlM
- google-site-verification=zGdjDeqw60cEH51gdXXw6WwMhU1FBpE1wpw2y_Y-AeA
- pardot1041271=7a9d907068ba57ba35dfd03169e289ba3f8198acee770a66ae1f0c08507a62c1
- sending_domain1041271=69352966f92c96c6b9c13022f74a6e34be3f62de0b191a824a2acc1a48c1165f
- slack-domain-verification=3vxnXgwvuJFUCU4iBRoEut47cd3FjfhTFvaMiDTC
- SPFv=spf1 include:_spf.google.com ip4:205.234.21.0/28 ip4:23.119.1.16/29 ~all
- 3C39B16D1C
- MS=ms87468006
- ZOOM_verify_yPz_JRxYQHOWtYMWJ5evrg
- anthropic-domain-verification-qz4bet=38k1EnSoTpGebtGaQNMnl8nuu
- apple-domain-verification=mXUV4ccdTjg3Yfkc
- atlassian-domain-verification=m+i67/qlxbILpuU0Y4I9QfADSbD2v+B9e7rUYll9JqL9i0BnqNBvc3sEFA+0ug6V
- docusign=b96fdcc5-6ad1-4386-8860-7c9029d653b4
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 sima.ai
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits