Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
greatlakescheese.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:47:34 UTC · ↺ Refresh
MX Hostnames
- mx1.greatlakes.iphmx.com
- mx2.greatlakes.iphmx.com
MX Priorities
- mx1.greatlakes.iphmx.com: 10
- mx2.greatlakes.iphmx.com: 20
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 68.232.140.59 ↩ esa1.greatlakes.iphmx.com
- 68.232.137.126 ↩ esa2.greatlakes.iphmx.com
- 216.71.137.140 ↩ esa3.greatlakes.iphmx.com
- 216.71.146.77 ↩ esa4.greatlakes.iphmx.com
SOA Record
Raw SOA
ns75.worldnic.com namehost.worldnic.com 126031315 10800 3600 604800 3600
Primary NS (mname)
ns75.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031315
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns76.worldnic.com
ns75.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf-a.greatlakescheese.com include:spf-b.greatlakescheese.com include:_spf-dc64.sapsf.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; aspf=r; adkim=r; 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
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- duo_sso_verification=VO4hryJXk6Flaz2aCZuUtFUK3kblZmhg89OWoJ2FFzSkxyRMKOhCjSUU6I54vWD2
- hd07e5oi7u8plb351v6esjgibt
- google-site-verification=70bT7f4_D8BDtttLsG08qoNUZDprisyGCHKGeYLKfiU
- tcksei188bvja5f84mv5i8usd5
- SPFv=spf1 mx include:spf-a.greatlakescheese.com include:spf-b.greatlakescheese.com include:_spf-dc64.sapsf.com -all
- MS=ms73734405
- 4u8moaiibf8ektntkit20nje3s
- deeed63a-9fc1-44ae-b0b1-7b4739353764
- JqeX00r6Z7OGwswkKlxDua/itv+TxqqA8eNJ4rv0F8nkHEx47H9CEi4ooF/DIITyVA8rrvLHUFY4tGsx+ioZHg==
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