Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
calumetspecialty.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:11:19 UTC · ↺ Refresh
MX Hostnames
- calumetspecialty-com.mail.protection.outlook.com
MX Priorities
- calumetspecialty-com.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-156.awsdns-19.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-156.awsdns-19.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1586.awsdns-06.co.uk
ns-579.awsdns-08.net
ns-1406.awsdns-47.org
ns-156.awsdns-19.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.188.137.143 ip4:20.42.38.64 ip4:24.123.221.211 ip4:50.146.209.204 ip4:3.128.139.72 ip4:159.220.0.0/16 ip4:167.68.0.0/16 ip4:164.57.0.0/16 include:_spf.qualtrics.com include:servers.mcsv.net include:spf.sendinblue.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; fo=1; adkim=r; aspf=r; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
4 records- Hk5PrTFyotnw49JbB/hTZZMgrkNszQQa4ma7PyHoX/GK0T1IGyt/jI6hphPwWhfE21HPdnDk/+mmUOiVPJOE5Q==
- _71v07wj3oh67rx4tqbj84ifm6mx176r
- SPFv=spf1 ip4:52.188.137.143 ip4:20.42.38.64 ip4:24.123.221.211 ip4:50.146.209.204 ip4:3.128.139.72 ip4:159.220.0.0/16 ip4:167.68.0.0/16 ip4:164.57.0.0/16 include:_spf.qualtrics.com include:servers.mcsv.net include:spf.sendinblue.com include:spf.protection.outlook.com -all
- vmware-cloud-verification-7249ab0a-0708-46f0-8a88-96993e84aa39
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