Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
t-nation.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 18:57:35 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 184.105.99.75 (no PTR)
- 2602:fd3f:3:ff02::4b
Mail Server IPs
- 142.251.179.27 ↩ pd-in-f27.1e100.net
- 142.251.179.26 ↩ pd-in-f26.1e100.net
- 64.233.180.26 ↩ pe-in-f26.1e100.net
- 64.233.180.27 ↩ pe-in-f27.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
SOA Record
Raw SOA
kay.ns.cloudflare.com dns.cloudflare.com 2399212572 10000 2400 604800 1800
Primary NS (mname)
kay.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399212572
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kay.ns.cloudflare.com
sam.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:shops.shopify.com include:email.rechargeapps.com include:amazonses.com include:_spf.firebasemail.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; ri=43200
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- google-site-verification=vWPAV0zygV5Ov1isHWTTuK1zyT5WfKh5f3c1OYJZfUk
- klaviyo-site-verification=cXCDy6
- stripe-verification=2e6cf9ce2904266dcabac79ebce97d4db154908378511026798fd57a05db9209
- SPFv=spf1 include:shops.shopify.com include:email.rechargeapps.com include:amazonses.com include:_spf.firebasemail.com ~all
- MS=ms95652257
- google-gws-recovery-domain-verification=57996882
- google-site-verification=Dxj2FplzN-1Njjjs1hlINpTZZEM5Ln-jtackvmHjb-E
- google-site-verification=QO6JbncBtrOMljhvhjuugPz1uwVAfpb7XlTgnzyW9b8
- google-site-verification=bVnkPZmN_2vV81fbDYz6aESOEV_Df3oslWE54S1AlcQ
- google-site-verification=gZdwMZIPFe_HPzQLs4Um6Y746MICGSpLzDLh_38K9oc
- google-site-verification=hfm0ygEV2NpJPpk17mC3n4KwX6YYydsrmdp1eq2ZFpU
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 t-nation.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits