Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gmc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 19:22:05 UTC · ↺ Refresh
MX Hostnames
- gmc-com.mail.protection.outlook.com
MX Priorities
- gmc-com.mail.protection.outlook.com: 10
A / AAAA Records
- 198.208.73.147 ↩ tld-redir-prdwx.ext.gm.com
- 198.208.74.205 ↩ tld-redir-prdmx.ext.gm.com
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
nsx1.gm.com dnsadm.gm.com 336 3600 3600 1209600 300
Primary NS (mname)
nsx1.gm.com
Admin Email (rname)
dnsadm@gm.com
Serial
336
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
nsx2.gm.com
nsx4.gm.com
nsx3.gm.com
nsx1.gm.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:_spf-a.gm.com include:_spf-b.gm.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1;ri=3600;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 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
9 records- 00DDn00000DCkt8MAD
- facebook-domain-verification=s3uis2o1li831x52udl8e0dyhhks3h
- _uqdcnylfpyx2cgotaae8bxk2f10cecm
- _ruu4l8kcygens0d25lmqd7ser3szp9a
- google-site-verification=PqoqdO_EE5ZMnwFHAT5ZpYcoUeMJmv6prg2pxMKAj4I
- _2v7ajttodprjkhb8wf9alrm6vyzgpw8
- google-site-verification=C_YUElDdW0CQGuE35_mOAjUI9M6IzmQhW4stkaFmbdY
- _zux2pth5au6csqj2djeapbezh6cjtel
- SPFv=spf1 mx include:_spf-a.gm.com include:_spf-b.gm.com include:spf.protection.outlook.com ~all
Full email verification for gmc.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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