Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stolaf.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 03:00:14 UTC · ↺ Refresh
MX Hostnames
- ALT3.ASPMX.L.GOOGLE.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ALT1.ASPMX.L.GOOGLE.COM
- ALT4.ASPMX.L.GOOGLE.COM
- ASPMX.L.GOOGLE.COM
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 199.91.183.19
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
SOA Record
Raw SOA
ns1.stolaf.edu root.stolaf.edu 2026032602 7200 3600 1209600 3600
Primary NS (mname)
ns1.stolaf.edu
Admin Email (rname)
root@stolaf.edu
Serial
2026032602
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.stolaf.edu
ns1.stolaf.edu
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:mailgun.org ip4:199.91.180.0/22 ip4:162.210.88.0/22 ip6:2620:132:b000::/40 ip4:209.11.210.7/32 ip4:74.200.12.0/32 ip4:74.200.12.248/30 ip4:206.107.42.254/32 ip4:66.162.67.91/32 ip4:64.132.221.30/32 ip4:74.122.104.0/22 ip4:38.106.32.22/32 ip4:38.106.32.46/32 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=r; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; ri=604800
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
mail._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- MS=ms74832982
- hpe-greenlake-domain-verification=6964574e3473525174666f7868514c6576616b67677242634c305a376f647871
- SPFv=spf1 include:_spf.google.com include:mailgun.org ip4:199.91.180.0/22 ip4:162.210.88.0/22 ip6:2620:132:b000::/40 ip4:209.11.210.7/32 ip4:74.200.12.0/32 ip4:74.200.12.248/30 ip4:206.107.42.254/32 ip4:66.162.67.91/32 ip4:64.132.221.30/32 ip4:74.122.104.0/22 ip4:38.106.32.22/32 ip4:38.106.32.46/32 -all
- google-site-verification=vASO7Qlrt3_os8HK7HUXwnrE7XJolbYWdoWaqo-_hE4
- airtable-verification=f8022e23c143253775792144a563ca42
- adobe-idp-site-verification=e790e5323bc179143f3b13bba142ebf890a80acab3972aabdd3ff1a2ce4e91b1
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