Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grcinc.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 15:41:16 UTC · ↺ Refresh
MX Hostnames
- d259103b.ess.barracudanetworks.com
- d259103a.ess.barracudanetworks.com
MX Priorities
- d259103b.ess.barracudanetworks.com: 20
- d259103a.ess.barracudanetworks.com: 0
A / AAAA Records
- 198.185.159.145 (no PTR)
- 198.49.23.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.144 (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns1.p01.nsone.net hostmaster.nsone.net 1704915497 43200 7200 1209600 3600
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1704915497
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns1.p07.nsone.net
dns2.p07.nsone.net
dns3.p07.nsone.net
dns4.p07.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:209.45.200.147 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=0;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
3 records- MS=EEA67DD12E39312261208CD96DF93C98ECE406F5
- SPFv=spf1 mx ip4:209.45.200.147 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all
- google-site-verification=DjurSucgkczlJc3KFDl4N6OsYVbtJljGxkoktentO_Q
Full email verification for grcinc.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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