Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swic.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 05:22:06 UTC · ↺ Refresh
MX Hostnames
- mail4.swic.edu
- mail3.swic.edu
- mail5.swic.edu
MX Priorities
- mail3.swic.edu: 10
- mail5.swic.edu: 10
- mail4.swic.edu: 10
A / AAAA Records
- 66.99.170.26 ↩ swic.edu
Mail Server IPs
- 66.99.170.13 ↩ mail3.swic.edu
- 66.99.170.65 ↩ mail5.swic.edu
- 66.186.98.165 ↩ mail4.swic.edu
SOA Record
Raw SOA
dns.illinois.net rtc8hostmaster.illinois.net 2026032500 10800 3600 604800 600
Primary NS (mname)
dns.illinois.net
Admin Email (rname)
rtc8hostmaster@illinois.net
Serial
2026032500
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1.illinois.net
ns2.illinois.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.99.170.4 ip4:66.99.170.11 ip4:66.99.170.13 ip4:66.99.170.65 ip4:66.186.98.160 ip4:66.186.98.165 ip4:74.122.104.0/22 ip4:3.131.165.220 ip4:3.19.197.146 ip4:44.240.53.205 ip4:54.203.123.164 a:mail1.swic.edu a:mail3.swic.edu a:mail4.swic.edu a:mail5.swic.edu include:spf.protection.outlook.com include:_spf.salesforce.com include:45748423.spf04.hubspotemail.net include:spf-na.exlibrisgroup.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
9 records- apple-domain-verification=xHooLVS8stGvPfnS
- adobe-idp-site-verification=026f39f8eff4754d0667f9f095d0af6c2ba8e0a26a27b8eb1853be16f5ba083c
- sophos-domain-verification=8f5bfc7a18f0b5fd77f6d0cb8e6db26808944fc7e4c32dea3f0d112bd2f4a458
- MS=1C8B4723496E8A61B2D5F3F6EBD12CD78CC6886D
- duo_sso_verification=aVDhZ5KSTU4qKAGIj1SyTXi6DSmwGSMgXr3nN3tuIKBGnDRwuspV9ODA1bHOkBp6
- google-site-verification=QLukS4qDYYZ-leen0eB0s5UHSsvEoKAgyAy0add5pV4
- MS=ms76377660
- SPFv=spf1 ip4:66.99.170.4 ip4:66.99.170.11 ip4:66.99.170.13 ip4:66.99.170.65 ip4:66.186.98.160 ip4:66.186.98.165 ip4:74.122.104.0/22 ip4:3.131.165.220 ip4:3.19.197.146 ip4:44.240.53.205 ip4:54.203.123.164 a:mail1.swic.edu a:mail3.swic.edu a:mail4.swic.edu a:mail5.swic.edu include:spf.protection.outlook.com include:_spf.salesforce.com include:45748423.spf04.hubspotemail.net include:spf-na.exlibrisgroup.com -all
- c+hCqTpkC+d/oeuTIBRzXq+JsvTKNNgegJFMERFXLcVu/kz5VquH7xpTtbERlmkSDX42Uh5XEf0Hi9AnxzjURQ==
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