Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
core-mark.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:11:30 UTC · ↺ Refresh
MX Hostnames
- mx1.hc1981-4.iphmx.com
- mx2.hc1981-4.iphmx.com
MX Priorities
- mx2.hc1981-4.iphmx.com: 10
- mx1.hc1981-4.iphmx.com: 10
A / AAAA Records
- 52.234.233.148 (no PTR)
Mail Server IPs
- 216.71.150.113 ↩ esa1.hc1981-4.iphmx.com
- 216.71.154.191 ↩ esa3.hc1981-4.iphmx.com
- 216.71.154.192 ↩ esa4.hc1981-4.iphmx.com
- 216.71.149.245 ↩ esa5.hc1981-4.iphmx.com
- 216.71.150.114 ↩ esa2.hc1981-4.iphmx.com
- 216.71.140.77 ↩ esa6.hc1981-4.iphmx.com
SOA Record
Raw SOA
pfgns1.pfgc.com hostmaster.pfgns1.pfgc.com 2026032104 10800 3600 604800 86400
Primary NS (mname)
pfgns1.pfgc.com
Admin Email (rname)
hostmaster@pfgns1.pfgc.com
Serial
2026032104
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
pfgns1.pfgc.com
pfgns2.pfgc.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:SPF1.Core-Mark.com include:SPF2.Core-Mark.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
8 records- rua=mailto:[email protected]; ruf=mailto:[email protected];
- logmein-verification-code=270538e3-8418-43e5-8512-be26b6c8f538
- atlassian-domain-verification=tYPOOxPBaNoWLbMC66TyiZH8gio/25rHm4KdIjUd9y6yAonaW3a+1p8CaMQXu+WY
- MS=ms48771655
- zRQM8f3hpH5awJ81OIX2CuqE2uE3Snsl6Olsua7UyTgukD6/9jkEknGxpDsEjmLkKWt3e0d6hx247uFGN/yh7w==
- xrp9oCiT7QLPb2iovdTI0U/afIN2yKJsMyKDbOLDR/7XsVWGa2gMrlOyT7XcafnDs2VMx6MZ/6oCU+L6o0CV5w==
- smartsheet-site-validation=Lp_Cj_zxUoMGJMHz5EyqIM9WnfZWXw0A
- SPFv=spf1 include:SPF1.Core-Mark.com include:SPF2.Core-Mark.com ~all
Full email verification for core-mark.com
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