Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
columbusglobal.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 23:36:18 UTC · ↺ Refresh
MX Hostnames
- columbusglobal-com.mail.protection.outlook.com
MX Priorities
- columbusglobal-com.mail.protection.outlook.com: 10
A / AAAA Records
- 217.114.94.2 (no PTR)
- 2a00:1c50:94::2 (no PTR)
Mail Server IPs
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.eurodns.com hostmaster.eurodns.com 2026031100 86400 7200 604800 86400
Primary NS (mname)
ns1.eurodns.com
Admin Email (rname)
hostmaster@eurodns.com
Serial
2026031100
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns4.eurodns.com
ns1.eurodns.com
ns2.eurodns.com
ns3.eurodns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:167.89.108.1 ip4:167.89.108.13 ip4:167.89.92.35 ip4:80.235.22.82 ip4:40.107.21.91 include:spf.protection.outlook.com include:spf.mailanyone.net include:customers.clickdimensions.com a:c.spf.service-now.com include:sendgrid.net include:amazonses.com include:494838.spf08.hubspotemail.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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- atlassian-domain-verification=9r9ADm4Kh5fdTm2Kgm3y4U4MCJaasJEq5Pqf70jnoyq5XYZ0aYItJJ5VaGFCqg8o
- docker-verification=b68588e3-54ac-4a22-a043-3179c7a33b41
- docusign=dbdf7beb-b01b-4f3e-9d5d-e579a60174a8
- docusign=4da8e81e-764b-4a9f-a37b-293bd0899e27
- msfpkey=1lfol8jsr9byn8ubv9os94mad
- google-site-verification=PvF6JD1e5YkHD__YAd7pQNwcciOUmzYjyOPTma2XIUI
- apple-domain-verification=ckypb4syhZwAiviS
- SPFv=spf1 ip4:167.89.108.1 ip4:167.89.108.13 ip4:167.89.92.35 ip4:80.235.22.82 ip4:40.107.21.91 include:spf.protection.outlook.com include:spf.mailanyone.net include:customers.clickdimensions.com a:c.spf.service-now.com include:sendgrid.net include:amazonses.com include:494838.spf08.hubspotemail.net -all
- d365mktkey=hCVEPxgqxsOfaHMMvmhzTN1FZV8bXqKaSQB9EMJTdy0x
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