Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ulmer.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 13:34:26 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 134.199.177.91 (no PTR)
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns87.worldnic.com namehost.worldnic.com 125121710 10800 3600 604800 3600
Primary NS (mname)
ns87.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121710
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns87.worldnic.com
ns88.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:38.67.192.2 ip4:54.70.98.207 include:_netblocks.mimecast.com include:spf.constantcontact.com include:spf.rpost.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
8 records- g18jwmmq6fjc16t8fbklf5m37t8fbv19
- jdhP3JrkhHtl8j5qPiefydiYBQ4b5EpMw9SjB7qVICJBSdhe4Lsx6u4pT4Z7W04PDlVuDp87jAjkYAPdoxx6Xr2vTT90mbcfM7n
- docusign=af476809-32be-4417-8618-94ad691682a8
- cisco-ci-domain-verification=74119301cf656f70c7ef74fa572e7b41cdab98038065724f25799661f816933b
- webexdomainverification.4C675B885FE7B136E053AB06FC0A3F65=46fcf1be-abb4-4020-9c02-b28cd9c493a9
- SPFv=spf1 ip4:38.67.192.2 ip4:54.70.98.207 include:_netblocks.mimecast.com include:spf.constantcontact.com include:spf.rpost.net -all
- dropbox-domain-verification=bf1uvgsgxrfl
- M5WPd01Tm73qX2kB5Ucff/hHCIhl3D57Gb4yRSJtD2qcLvjcQ7ee26Hu2cpBdwiqRYoxnZWCbWsCnFjEEhvdCw==
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