Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cortland.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 15:51:11 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 20
A / AAAA Records
- 169.62.222.162 ↩ jdx1010.jonahsystems.com
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns07.domaincontrol.com dns.jomax.net 2026032000 28800 7200 604800 600
Primary NS (mname)
ns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026032000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns07.domaincontrol.com
ns08.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:38.101.246.162/32 include:us._netblocks.mimecast.com a:o2.mailer.samanage.com include:sendgrid.net ip4:54.204.190.64/32 include:mailgun.org a:collect.cortland.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 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
21 records- jamf-site-verification=dEAW_chUN0ltsF-BiakXmg
- v=verifydomain MS=7503334
- hop8g8c67o9qkb3n97vedbuj00
- google-site-verification=DBUYIHa8kokRQSZsKBkUQ9HnHP9u500ToCzWWRWJe-M
- apple-domain-verification=XkTfdHcohV0Pf3g7
- dzpjd2lib3dww72mxslxxzucp6zy2z65._mime.cortland.com. 300 IN TXT "v=MIMEv1;"
- smartsheet-site-validation=5ldsIfaDa1voWmL-KTwg3FpGIfqi5O7X
- facebook-domain-verification=77vuz9u8hjqewjuiw95a3cg2x7zj74
- google-site-verification=dFdzzwmiYtTqDe9FaVuJJuwecfCZWSubehCZdrHu2-s
- anthropic-domain-verification-45cyc7=M7JgEymKItIL9owdBaJjQC2Zg
- ZOOM_verify_lSM-VaNuQHy7ldz0A3vP_Q
- amazonses:6HnezmwInIzTUL/InpsIPJT1r7KNjBOhHAW2xEjbAOU=
- h0g0jp5sgiodvh4aoq1m36f2me
- atlassian-domain-verification=otpPBmFGdJuazxQ44YdmLBUTST2d01bDzgW0FnEdDnOjB9XAHV/T5gR95OMF9aAq
- postman-domain-verification=67754df5458f0ca0f37c6e41725e27817f0348617bf2fb91e5cf0d57ace61c1791e9a3327eb47c8937c0d34b3f2df63a18e4b1ad688b7b46c449c3ed8b7045d5
- SPFv=spf1 ip4:38.101.246.162/32 include:us._netblocks.mimecast.com a:o2.mailer.samanage.com include:sendgrid.net ip4:54.204.190.64/32 include:mailgun.org a:collect.cortland.com ~all
- teamviewer-sso-verification=d78d40f571c949aaa72515446f66701a
- google-site-verification=zwFSNBVRX6K4Zg3wqfGloSYjqDk5QT5Gyir9obJHbI8
- D7469623
- 0ed1fe018a48c66298249140a382c40de20e26d400
- openai-domain-verification=dv-Mz6vC2qq3iAn1UUl0SBSDO5X
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