Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tandcsupply.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:26:56 UTC · ↺ Refresh
MX Hostnames
- d134382b.ess.barracudanetworks.com
- d134382a.ess.barracudanetworks.com
MX Priorities
- d134382a.ess.barracudanetworks.com: 10
- d134382b.ess.barracudanetworks.com: 20
A / AAAA Records
- 192.185.94.87 ↩ 192-185-94-87.unifiedlayer.com
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1101.ui-dns.org hostmaster.1and1.com 2016110228 28800 7200 604800 300
Primary NS (mname)
ns1101.ui-dns.org
Admin Email (rname)
hostmaster@1and1.com
Serial
2016110228
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1101.ui-dns.com
ns1101.ui-dns.org
ns1101.ui-dns.de
ns1101.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ip4:24.72.196.51 ip4:64.124.81.240 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
3 records- MS=ms34416132
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ip4:24.72.196.51 ip4:64.124.81.240 -all
- MS=ms10209434
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