Domain Overview
DNS: ✓ 8h ago
Checker: ✓ 8h ago
cetrom.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 14:48:35 UTC · ↺ Refresh
MX Hostnames
- d142813a.ess.barracudanetworks.com
- d142813b.ess.barracudanetworks.com
MX Priorities
- d142813a.ess.barracudanetworks.com: 100
- d142813b.ess.barracudanetworks.com: 200
A / AAAA Records
- 131.226.206.196 (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2022111172 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2022111172
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns2.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns0.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:66.77.128.118 ip4:131.226.206.140 include:autotask.net include:6687845.spf04.hubspotemail.net include:_spf.psm.knowbe4.com include:spf.ess.barracudanetworks.com include:ses.onsolve.net include:stspg-customer.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected], mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- atlassian-domain-verification=Vgm4AmsRmXg7Hqo0/UstVTxpdsO34KxszaFdKH2KvkgOarKlw3Oa2WJAZlaZ9nvI
- duo_sso_verification=ubtkvp8JwbioAVmjcSnOdPOFlwUb3D0V74VsndgXJw8yiNKgtVd0J2uYayMjegPD
- ffb025a74f54f2fd7cafc70865e9d9d7
- lm164cfv84kcs327g9k3oe0hcl
- ms-domain-verification=a3ca4b7d-61be-406c-8fb3-fb14c1976868
- ms-domain-verification=bed299d0-d18a-42c3-ba74-660d750b5702
- mt0obrmka2ba2clq88aq77oj7b
- status-page-domain-verification=by0q27xfhrjf
- SPFv=spf1 include:spf.protection.outlook.com ip4:66.77.128.118 ip4:131.226.206.140 include:autotask.net include:6687845.spf04.hubspotemail.net include:_spf.psm.knowbe4.com include:spf.ess.barracudanetworks.com include:ses.onsolve.net include:stspg-customer.com -all
- MS=ms81694470
- alvdrsretf6hpfvb298ai3h6vd
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