Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kolbe.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 01:58:15 UTC · ↺ Refresh
MX Hostnames
- kolbe-com.mail.protection.outlook.com
MX Priorities
- kolbe-com.mail.protection.outlook.com: 0
A / AAAA Records
- 54.193.59.128 ↩ ec2-54-193-59-128.us-west-1.compute.amazonaws.com
- 54.176.238.107 ↩ ec2-54-176-238-107.us-west-1.compute.amazonaws.com
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
edns4.ultradns.com premiumdns.support.neustar 2019061761 28800 7200 1209600 86400
Primary NS (mname)
edns4.ultradns.com
Admin Email (rname)
premiumdns@support.neustar
Serial
2019061761
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
edns4.ultradns.org
edns4.ultradns.biz
edns4.ultradns.com
edns4.ultradns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:3.137.127.18 ip4:3.16.231.98 ip4:3.18.8.60 ip4:3.141.147.200 ip4:3.131.88.173 ip4:18.189.173.105 ip4:72.44.199.164 ip4:72.44.199.160/29 ip4:174.128.0.64/27 ip4:65.141.173.161/28 ip4:12.47.193.224/28 ip4:12.47.194.234 include:spf.protection.outlook.com include:servers.mcsv.net include:amazonses.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- 060yxvn1s590f3pj8sg9b472g3852d8p
- dknsf2yrz4djmyktqd29qby5kv34lgjj
- t3896wyggsqxllz3bnm5c1s8rfl7y1fq
- asv=d872728516b1f9b2ba65a0793ba6669b
- facebook-domain-verification=ko8183v6shljmnx0wdg70jn6vz9yrn
- google-site-verification=abKg1oyabrRSwjJtdAOJAyh2z6zpBDudqSJjLoxOSYA
- SPFv=spf1 ip4:3.137.127.18 ip4:3.16.231.98 ip4:3.18.8.60 ip4:3.141.147.200 ip4:3.131.88.173 ip4:18.189.173.105 ip4:72.44.199.164 ip4:72.44.199.160/29 ip4:174.128.0.64/27 ip4:65.141.173.161/28 ip4:12.47.193.224/28 ip4:12.47.194.234 include:spf.protection.outlook.com include:servers.mcsv.net include:amazonses.com ~all
- sipdir.online.lync.com
- sipfed.online.lync.com
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