Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ert.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 04:53:17 UTC · ↺ Refresh
MX Hostnames
- smtp1.ert.com
- smtp2.ert.com
- smtp4.ert.com
- ert-com.mail.protection.outlook.com
MX Priorities
- ert-com.mail.protection.outlook.com: 0
- smtp1.ert.com: 991
- smtp4.ert.com: 994
- smtp2.ert.com: 992
A / AAAA Records
- 141.193.213.21
- 141.193.213.20
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 8.19.195.16 ↩ smtp1.ert.com
- 12.200.204.22 ↩ smtp4.ert.com
- 12.149.45.220
SOA Record
Raw SOA
ertns01.ert.com hostmaster.ert.com 2026032002 21600 3600 1728000 60
Primary NS (mname)
ertns01.ert.com
Admin Email (rname)
hostmaster@ert.com
Serial
2026032002
Refresh
21600s
Retry
3600s
Expire
1728000s
Minimum TTL
60s
Nameservers (NS)
ertns01.ert.com
ertns02.ert.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_s00439499.autospf.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
google._domainkey
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- google-site-verification=djV6wBeO76BamUVbqDeXUrurRauVtVeRzi4uwDn7370
- smartsheet-site-validation=ZBykeeO1m4BM0mcXlU9V1G1on2pw43__
- Dynatrace-site-verification=e48cb356-0218-455d-94eb-c0f2b2c6d189__jluphv17nia146kd0tt2c4hraq
- SPFv=spf1 include:_s00439499.autospf.email ~all
- MS=ms99434489
- docusign=59bd19ed-f973-41ac-abe9-274f8e8a83df
- MS=ms50236434
- pardot_71652=d12a50c015ded0ae52e9be5b68e1498e288c8e40f0477eccacd492dd4efb6eac
- 5ajne7hdqecfs448edgoe1veap
- google-site-verification=tOiDr_pKcFrjrMjZVnM4pFTKGh7BQbJ8PJKMTQ5rt5c
- docusign=a4f07405-dcb4-4fdf-b336-14422432e797
- MS=ms23957374
- dropbox-domain-verification=vdgo4qizkm0g
Full email verification for ert.com
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