Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guideone.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 06:08:21 UTC · ↺ Refresh
MX Hostnames
- guideone-com.mail.protection.outlook.com
MX Priorities
- guideone-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.134.203.94 ↩ ec2-3-134-203-94.us-east-2.compute.amazonaws.com
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1787.awsdns-31.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1787.awsdns-31.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1787.awsdns-31.co.uk
ns-810.awsdns-37.net
ns-1419.awsdns-49.org
ns-145.awsdns-18.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:54.240.46.180 ip4:54.240.46.181 ip4:3.23.39.254 ip4:3.13.164.174 include:spf.protection.outlook.com include:spf1.satmetrix.com include:hubapi.com include:oktamail-nonprod.guideone.com include:spf-us.emailsignatures365.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
1 record- SPFv=spf1 mx ip4:54.240.46.180 ip4:54.240.46.181 ip4:3.23.39.254 ip4:3.13.164.174 include:spf.protection.outlook.com include:spf1.satmetrix.com include:hubapi.com include:oktamail-nonprod.guideone.com include:spf-us.emailsignatures365.com ~all
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