c12group.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
c12group.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 10:50:14 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • aspmx3.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10

A / AAAA Records

  • 35.225.164.116 ↩ 116.164.225.35.bc.googleusercontent.com

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA dimitris.ns.cloudflare.com dns.cloudflare.com 2397497893 10000 2400 604800 1800
Primary NS (mname)
dimitris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397497893
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dimitris.ns.cloudflare.com
rose.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:64.78.151.128/26 ip4:216.241.183.0/24 ip4:67.43.7.239/24 ip4:52.38.191.241 include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • wpe-verification=c12marketing
  • google-site-verification=q4SxiDaMeyXsX9gYFsSiMDNi2tvKH_WYuJvvSZncWsM
  • k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDth9SXM0jFmoTdKocvKrBhjgh0BFyOfN6QImKW52+SmjaN55V2MgU4uaYZ+i6DDkW4l8QCwSLjnc7xy2n0ET+coFWmCWiNi1Yals8I8sf++2GPNtMyc8ITaDlnw18CIDHLM26/+KSaC8oHjoFjSPLiVHz+UV++XKAQJw8IQDHGtQIDAQAB
  • unbounce=427829
  • DKIMv=DKIM1; k=rsa; h=sha256; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDih5pVeAPRFdDHY+14sCpx2Alpv6Fa4TpfuTuvahTlynaArXq7NjLef5VaxM/qZ0jRzSK+9YSWW4ZgX56Oz/2rM+aZGcIQQeY9fnboRqOvj5yEUZE8Lb0TLOJ8LvwkI5gKn/T5soRcVcX9DQKmn/NbaRjXx1zSzEANc6NyxOfMDQIDAQAB
  • SPFv=spf1 a mx ip4:64.78.151.128/26 ip4:216.241.183.0/24 ip4:67.43.7.239/24 ip4:52.38.191.241 include:_spf.google.com ~all
  • v=verifydomain MS=2524056
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 c12group.com

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

No credit card required
Get 1,000 Free Credits