Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cas.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 10:23:47 UTC · ↺ Refresh
MX Hostnames
- mx1.hc2953-94.iphmx.com
- mx2.hc2953-94.iphmx.com
MX Priorities
- mx2.hc2953-94.iphmx.com: 20
- mx1.hc2953-94.iphmx.com: 10
A / AAAA Records
- 45.60.45.242 (no PTR)
- 45.60.106.242 (no PTR)
- 2a02:e980:e0::f2 (no PTR)
- 2a02:e980:de::f2 (no PTR)
Mail Server IPs
- 68.232.148.87 ↩ esa4.hc2953-94.iphmx.com
- 216.71.137.57 ↩ esa1.hc2953-94.iphmx.com
- 216.71.152.152 ↩ esa3.hc2953-94.iphmx.com
- 216.71.141.140 ↩ esa2.hc2953-94.iphmx.com
SOA Record
Raw SOA
srv01s4.cas.org postmaster.cas.org 202603211 900 21600 3600000 86400
Primary NS (mname)
srv01s4.cas.org
Admin Email (rname)
postmaster@cas.org
Serial
202603211
Refresh
900s
Retry
21600s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns6.oar.net
ns4.oar.net
ns7.oar.net
ns5.oar.net
srv01s4.cas.org
SPF Record
✓ Strict (-all)
v=spf1 exists:%{i}._i.%{d}._d.espf.agari-dns.net include:%{d}.d5.spf-protect.agari-dns.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; pct=100; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
23 records- SPFv=spf1 exists:%{i}._i.%{d}._d.espf.agari-dns.net include:%{d}.d5.spf-protect.agari-dns.net -all
- google-site-verification=DeTuG0FtcJ3OghM_XRfdXQPIx3cJBikc0h2EX06I3cw
- d0r3gq4uer263aqfgon9216gce
- MS=ms42167296
- _globalsign-domain-verification=2N0ZbAILZzMySieTI2kEUTzuw2jbGpUDAIDrlHCcR0
- status-page-domain-verification=lhl57jbn70mw
- anthropic-domain-verification-26z61t=S61ahxaOgNpdfhmnWSKoeTAGx
- miro-verification=42e0f778e09c4a1c4be7f088bf35a153925e4d87
- unb6q5hmbdu1ar4t5cgea74van
- 6q0tgevln0ma3jfb6pv9vtv3hh
- cisco-ci-domain-verification=580b182b9a9eee4d7fc5919fa6830b8193d25a129fd030ee5b42a667d213e309
- nintex.63c1739fadfe2a8d74698c60
- fastly-domain-delegation-nrfppmr7973p3nbsmidz-00610125-2026-02-17
- MS=ms17708204
- apple-domain-verification=1SoON3ZjfSkGe2lR
- adobe-idp-site-verification=bfc0fff2ba8d567778fe5dd0af8cbfcd7ccc8eb8836fd5ced1285158f0a528d8
- globalsign-domain-verification=22864813836EDB15D72D4AD921EAB70C
- beam-verification=C0Cm6G12rakWX3pB7UIlJp2pctacZikzLoe9hFODVpObibZk
- atlassian-domain-verification=X9krp4Id5w30O5rEa5Dwev23ewAufTzkZy4A/Maj8LcwDkSEaL4gnKaYGpI9NRkr
- ciscocidomainverification=64383adfb970671c66ed2a17164aa8849c992982300617189081645fe3ebec99
- adobe-idp-site-verification=abd51a7f33523fde59a3983f061b7e2d4ccf290f82daadf821f80c46d50af46d
- google-site-verification=pHQVy4pyKjp2iCLZtZAM9brgX2TJiKugHASweU5mnNE
- 5piud49dvcq63p7ksapjho6rhd
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