Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dccc.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 05:00:54 UTC · ↺ Refresh
MX Hostnames
- mx2.hc2843-57.iphmx.com
- mx1.hc2843-57.iphmx.com
MX Priorities
- mx2.hc2843-57.iphmx.com: 5
- mx1.hc2843-57.iphmx.com: 5
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:12a:8001::3 (no PTR)
- 2620:12a:8000::3 (no PTR)
Mail Server IPs
- 216.71.153.131 ↩ esa1.hc2843-57.iphmx.com
- 216.71.140.84 ↩ esa2.hc2843-57.iphmx.com
SOA Record
Raw SOA
emma.ns.cloudflare.com dns.cloudflare.com 2399207629 10000 2400 604800 1800
Primary NS (mname)
emma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399207629
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
emma.ns.cloudflare.com
terin.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.dccc.edu._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; 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
✓ 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
20 records- adobe-idp-site-verification=c942c91a60c02747ae2f0c8578898079af34ea049913e2fc31e041c7d477ebf7
- canva-site-verification=2PPJUxNQxSHa4xa2Ehy5wQ
- _48ztnu4634yp09l0y9zzx0rchua2p2v
- status-page-domain-verification=cny9nf83pptm
- solarwinds-service0desk-verification=b8c544a9cae657034578fb46c824e565
- google-site-verification=AQHXDEiV6T5ppwUGOCrvStRmbWxCyn2Oxnx_9Db6Emw
- docusign=74f85c73-d24b-4c5c-8eee-6ad594a1b21f
- duo_sso_verification=EOnU2de1npcZTv4ECIkNfwzL0Fknazw5g3Qsa17JqDFjzNVHOVyelJsvC9KmeSUN
- docusign=fed7650f-6083-4b82-a9f6-1169ac17b193
- 6XJNEGMNEOB1VAPQSJ450ZRCRN2XBHRZVEA0M9CC6
- mgverify=6c0c9bc5d675ef4e6d4d831607f3de14fe53b964eee3605ca6f53ef1e0ce9d07
- atlassian-domain-verification=yrEkq15ydXEWsKwG7lhB7aRaaxv9GIE4bou9a74sfsl8Pw1hVN8F0Rm8KKsR0fRu
- SPFv=spf1 include:_u.dccc.edu._spf.smart.ondmarc.com ~all
- openai-domain-verification=dv-jtdWzqXwrzKoK1o1J4c2O2mP
- google-site-verification=Ets0FxN_M5Ar5x4A986USFs9LYnKSNtSPLk0mR-jVKE
- autodesk-domain-verification=JahUrj3oEH4SuTYaVkTs
- apple-domain-verification=gvCwjSxk0Um81Pj3
- ZOOM_verify_f_UGPjMJQxOsbHWG2C_QQw
- MS=37B58288F87796FFA10CCF5C888955365E769A97
- adobe-idp-site-verification=850ab29583eeac0d944083ad0f69f6f9f1d69492e36ba2d62721c71930b05174
Full email verification for dccc.edu
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits