Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
isoton.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 00:42:55 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 149.28.179.179
Mail Server IPs
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns0.isoton.com ops.isoton.com 2026051901 604800 86400 2419200 86400
Primary NS (mname)
ns0.isoton.com
Admin Email (rname)
ops@isoton.com
Serial
2026051901
Refresh
604800s
Retry
86400s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
ns1.isoton.com
ns0.isoton.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf.atlassian.net ip4:45.63.26.50 ip4:149.28.179.179 ip4:103.183.220.0/24 ip4:27.32.28.48/29 ip4:27.32.28.32/29 include:transmail.net.au ip4:103.138.129.64/27 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
default._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
9 records- google-site-verification=iY41VlXEAbu-iRWB1VBg8tgAOGm2JSLrDHAc5-W3Hec
- have-i-been-pwned-verification=dweb_rnqtsddb720k84bpoh4ietrd
- atlassian-sending-domain-verification=ec6c1b97-ec63-4a0a-a4e2-e590d47a7082
- SPFv=spf1 include:_spf.google.com include:_spf.atlassian.net ip4:45.63.26.50 ip4:149.28.179.179 ip4:103.183.220.0/24 ip4:27.32.28.48/29 ip4:27.32.28.32/29 include:transmail.net.au ip4:103.138.129.64/27 ~all
- atlassian-domain-verification=PREoXVJNziNeAS+V/HLzTosv5Ru67UEdYIhp8ejwSRIUCad3Kz2GVYxg3tkBUCGc
- _globalsign-domain-verification=5FPOUruIhZ46NX0m-PPzkfLiRhOeK54ONiHz-q0xgy
- google-site-verification=e9r4madImBxvmccs75JUSPgbIn3-g_YOh_4FaWEskww
- DMARCv=DMARC1; p=none
- apple-domain-verification=b8ChWi5FqSQpSzuq
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 isoton.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits