Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sheridanhospital.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 13:31:31 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 1
- us-smtp-inbound-2.mimecast.com: 1
A / AAAA Records
- 208.109.228.178 ↩ 178.228.109.208.host.secureserver.net
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns51.worldnic.com namehost.worldnic.com 125121211 10800 3600 604800 3600
Primary NS (mname)
ns51.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121211
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns52.worldnic.com
ns51.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:spf.sendinblue.com include:_spf.e2ma.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
15 records- RTG-896-NML
- sendinblue-code:7312e08ce994fb30fbbd9518bfbd8999
- facebook-domain-verification=wdftddm15dkqjtky0twe4fy6gggroh
- apple-domain-verification=jvyQzDcMp6q6Sgwo
- apple-domain-verification=HCktOPaXYOJbIrb4waFJN0nSFil0GP653QMtCPj49u8
- duo_sso_verification=3TwLfA3L8jdescHmJ42gQGG7DIq7ifJc2fmWRlgzMLo9hDNRxxTD0Pl96rsuMLMb
- google-site-verification=PykhtzMHFwC0FHlDQxztsKP_bPlw-pn1mAhE6yqSx6E
- 7jm0kro9pee1d7chq71voc38bp
- ns1.bdm.microsoftonline.com
- _73p0y8bhjsb5f4ob20bbofj8iqhf93a
- e2ma-verification=4sr
- cisco-ci-domain-verification=5b2cf66334bac8ad805d79b5312159e9dcc455dfe23ab7b75f46dc29dc5f426
- MS=632F742DC54D99F2607D61F95B684AC1C3D1EDB6
- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:spf.sendinblue.com include:_spf.e2ma.net ~all
- 21lr80krm9f6f38nlpe73e80i8
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