Domain Overview
DNS: ✓ 9h ago
Checker: ✓ 9h ago
signalwire.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 08:23:36 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- 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
- 34.172.68.73
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.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-f26.1e100.net
SOA Record
Raw SOA
ns-754.awsdns-30.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-754.awsdns-30.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1313.awsdns-36.org
ns-1767.awsdns-28.co.uk
ns-287.awsdns-35.com
ns-754.awsdns-30.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:34.71.129.95 ip4:35.193.31.115 ip4:190.102.98.0/24 include:_spf.google.com include:_spf.salesforce.com include:47316764.spf04.hubspotemail.net include:zoho.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ Public key: 216 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
9 records- SPFv=spf1 ip4:34.71.129.95 ip4:35.193.31.115 ip4:190.102.98.0/24 include:_spf.google.com include:_spf.salesforce.com include:47316764.spf04.hubspotemail.net include:zoho.com ~all
- MS=ms11942660
- adobe-idp-site-verification=d86ae01136ab1406ce62a0eaf21697e79ed7b2c926e2f35576b380b11a7d3a65
- anthropic-domain-verification-bhwp56=bygDhYfAcC6iCkAJhyh272OXl
- google-site-verification=P2Y5EsNyVN4k-d71l106u5gdxqAwc3_RuJJVVVssEUk
- openai-domain-verification=dv-v5uThGMPgpFvpOjBqLOetzwd
- ralikiatuy
- rippling-domain-verification=8a5eef3c93d22813
- signalwire.com
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 signalwire.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits