Domain Overview
DNS: ✓ just now
Checker: ✓ just now
calvinseminary.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 21:52:38 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx.l.google.com
- aspmx3.googlemail.com
MX Priorities
- aspmx2.googlemail.com: 10
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
- aspmx3.googlemail.com: 10
A / AAAA Records
- 141.193.213.11 (no PTR)
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
dns.calvin.edu dns-admin.calvin.edu 2026040601 10800 3600 604800 86400
Primary NS (mname)
dns.calvin.edu
Admin Email (rname)
dns-admin@calvin.edu
Serial
2026040601
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns.calvin.edu
dns2.calvin.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:aspmx.googlemail.com include:email.populi.co include:spf.fundraiseup.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 include:aspmx.googlemail.com include:email.populi.co include:spf.fundraiseup.com ~all
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