Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
columbiabank.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:10:54 UTC · ↺ Refresh
MX Hostnames
- columbiabank-com.mail.protection.outlook.com
MX Priorities
- columbiabank-com.mail.protection.outlook.com: 0
A / AAAA Records
- 217.114.94.2 (no PTR)
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.p06.nsone.net hostmaster.nsone.net 1771522879 3600 600 604800 300
Primary NS (mname)
dns1.p06.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1771522879
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns1.p06.nsone.net
dns2.p06.nsone.net
dns3.p06.nsone.net
dns4.p06.nsone.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:192.131.140.240 ip4:192.131.140.241 ip4:12.216.225.10 ip4:192.131.140.10 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
16 records- postman-domain-verification=56f3d6005d83c72a41982e661ba8ce4653bf5c5ce84110b33c06e9022fd47b6b2f5252f35326a835f4fb561146bfb4abd8e4cbc7912c7c7b1c5871c9c30c0964
- box-domain-verification=c01d9c65d6cda9cd52966b3a9f0c2354af4b5785a991e470398bb9635f766551
- wrike-verification=MjcyNDc4NTo1Mzg2YjY4M2UxZjA0YzQyM2Y2ZTJkOGUyZjI4OWNlNTc4NTBlMTlmMzM4MGFhY2ZiYzA1ZWZiMzU4MTEyMGMy
- h1-domain-verification=R5DcgeDEtqN3BZXKtmzd8r6qirw62EC4f65ZKMnNoGAndtdX
- SPFv=spf1 ip4:192.131.140.240 ip4:192.131.140.241 ip4:12.216.225.10 ip4:192.131.140.10 include:spf.protection.outlook.com ~all
- google-site-verification=Wm4YkvggFX7l8QZNaEfjo188qIbjM7IZ4fYen6HOuD4
- cisco-ci-domain-verification=119370b942f14200cd63b6feb654c67ee3e1414afd4ae88b888bdf8a05704d2d
- atlassian-domain-verification=9CkeQoduePv/W7q1CHd0FVDBCKSCPc49na5mCtmH6UMjLc29NsU1IFnLfj56x/3l
- docusign=c905f578-6cff-4e3e-af68-34ebc1ff54fd
- Docusign-b2ec2f98-74d2-4720-b011-24eff24ae2eb
- 53918de8-0c8f-4d7b-b710-66b64438a205
- taegis-domain-verification=bf258886c83345db83671a0e6854593bab4f9a97b999f2731837fcf96c830781
- twilio-domain-verification=af704f6f5799a4ca63db40521097d596
- atlassian-domain-verification=Coy95Nc1CH+qtA6d13DfCLTuaIS+w51/pLTz33VLCszP49sn4kLqdBWuu6I0VPmT
- docusign=d23fed22-6a97-42bd-8fc5-2be9a28b32ca
- box-domain-verification=eeb51503f11939a927a5ca2f213e2af419f63771e2f44fe4d3f4331aebbab824
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