Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leimberg.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 07:57:17 UTC · ↺ Refresh
MX Hostnames
- d233937b.ess.barracudanetworks.com
- d233937a.ess.barracudanetworks.com
MX Priorities
- d233937b.ess.barracudanetworks.com: 10
- d233937a.ess.barracudanetworks.com: 0
A / AAAA Records
- 38.66.100.18 ↩ phillysubnet.phl.revotg.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
ns11.constellix.com dns.constellix.com 2015010153 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010153
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mail.zendesk.com include:chargeovermail.com ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- il3j0hjih9p9gkh0l2aimge8qi
- SPFv=spf1 include:mail.zendesk.com include:chargeovermail.com ?all
- _sm9iuo0t5541s88x8z9cxzybz3o2i42
- slack-domain-verification=nrF4RA6dkl6Qb5bvCkLkgouRm7IOrEohPtMcfpzt
- MS=ms21262650
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