guthrieandsons.com

Valid Email Server
Domain Lookup › guthrieandsons.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
guthrieandsons.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 02:50:06 UTC · ↺ Refresh

MX Hostnames

  • guthrieandsons-com.mail.protection.outlook.com

MX Priorities

  • guthrieandsons-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 162.159.134.42 (no PTR)

Mail Server IPs

  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.rivint.com hostmaster.rivint.com 2026011702 86400 3600 2419200 86400
Primary NS (mname)
ns1.rivint.com
Admin Email (rname)
hostmaster@rivint.com
Serial
2026011702
Refresh
86400s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s

Nameservers (NS)

ns.rivint.com
ns1.rivint.com
ns.buscomnet.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:23.235.212.115/24 ip4:50.74.72.160/27 ip4:74.7.120.22/32 include:spf.constantcontact.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 ip4:23.235.212.115/24 ip4:50.74.72.160/27 ip4:74.7.120.22/32 include:spf.constantcontact.com include:spf.protection.outlook.com ~all
  • MS=ms55776196
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