Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
erc.us
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 22:48:47 UTC · ↺ Refresh
MX Hostnames
- astrion.mail.protection.office365.us
MX Priorities
- astrion.mail.protection.office365.us: 0
A / AAAA Records
- 96.45.82.124 ↩ redirection.dnsmadeeasy.com
- 96.45.83.158 ↩ redirection.dnsmadeeasy.com
- 96.45.83.55 ↩ redirection.dnsmadeeasy.com
- 96.45.82.241 ↩ redirection.dnsmadeeasy.com
Mail Server IPs
- 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
- 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
- 2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com
- 2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.dnsmadeeasy.com dns.dnsmadeeasy.com 2009011364 43200 3600 1209600 180
Primary NS (mname)
ns10.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2009011364
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns10.dnsmadeeasy.com
ns12.dnsmadeeasy.com
ns13.dnsmadeeasy.com
ns11.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns15.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.office365.us -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ 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
8 records- b4e6udenqufvv07psqbrr8491b
- MS=ms58564776
- XKgVTh7n9VwZot/JC9V5sh+AwYY6H3qz6mCrjH9TdSdbNg2kqWCLRgk2o2OtBoVrA3ftqsmd6GvJBnwfz/M/Fw==
- SPFv=spf1 include:spf.protection.office365.us -all
- MS=ms66573685
- 0ed1fe018aaccbb2a201d54f23a4e6b04ec2be355d
- MS=ms15393948
- knowbe4-site-verification=1a67250a472efeeef4ee43dce20872d1
Full email verification for erc.us
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