corecare.io

Valid Email Server
Domain Lookup › corecare.io

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
corecare.io
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 16:06:13 UTC · ↺ Refresh

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MX Hostnames

  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • 433s2rkouwmtjc2rlcevhpvi55vmngcy77bxhxdwbqti2wni3iaa.mx-verification.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt4.aspmx.l.google.com

MX Priorities

  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • 433s2rkouwmtjc2rlcevhpvi55vmngcy77bxhxdwbqti2wni3iaa.mx-verification.google.com: 15
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1

A / AAAA Records

  • 44.216.83.213 ↩ ec2-44-216-83-213.compute-1.amazonaws.com
  • 54.209.195.107 ↩ ec2-54-209-195-107.compute-1.amazonaws.com
  • 100.59.134.192

Mail Server IPs

  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 172.253.157.26 ↩ yubrupd-in-f26.1e100.net
  • 2a00:1450:400c:c23::1a ↩ yubrupd-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA ns-758.awsdns-30.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-758.awsdns-30.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1316.awsdns-36.org
ns-2010.awsdns-59.co.uk
ns-489.awsdns-61.com
ns-758.awsdns-30.net

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com include:7173010.spf10.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 include:_spf.google.com include:7173010.spf10.hubspotemail.net -all
  • MS=ms68289971
  • google-site-verification=CZMebqgCkllvUVUlKoCFYv11PiO7xc5SEmCplHaGLOE
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