Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dmatter.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 22:37:27 UTC · ↺ Refresh
MX Hostnames
- mxb-002d2f01.gslb.pphosted.com
- mxa-002d2f01.gslb.pphosted.com
MX Priorities
- mxb-002d2f01.gslb.pphosted.com: 10
- mxa-002d2f01.gslb.pphosted.com: 10
A / AAAA Records
- 35.208.10.50 ↩ 50.10.208.35.bc.googleusercontent.com
Mail Server IPs
- 148.163.151.184 ↩ mx0a-002d2f01.pphosted.com
SOA Record
Raw SOA
ns1.constellationhbs.com dnsadmin.constellationhbs.com 2026032601 10800 3600 1209600 10800
Primary NS (mname)
ns1.constellationhbs.com
Admin Email (rname)
dnsadmin@constellationhbs.com
Serial
2026032601
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns4.constellationhbs.com
ns1.constellationhbs.com
ns2.constellationhbs.com
ns3.constellationhbs.com
ns5.constellationhbs.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:35.208.73.248 ip4:206.201.66.27 ip4:74.113.193.80 include:clispf.bkfs.com include:43829564.spf03.hubspotemail.net include:spf-002d2f01.pphosted.com include:spf.protection.outlook.com a:smtp-out-1.constellationhbs.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- d7l185dah74l0mbe4vkt01bd89
- smartsheet-site-validation=uvNambDeF6widtYmivvnC8FIr8BuANR6
- MS=ms34561146
- cursor-domain-verification-d4334k=aHrtd0Qpautd79mk5IKaoAWXs
- google-site-verification=0lxV5_H-q4sevgcBLOM7jV1CEdYjsg_xve1IiVnEYck
- google-site-verification=Qjq0UtgCGRGAGpDtQwoNIS1rCpANfY6XrlBli5oB8ZA
- notion-domain-verification=BHnAyJD4rcmYoRQg5jGAKh5CuBiOFlc73ch4ox0Xkcp
- browserstack-domain-verification=145e507f-04fd-484e-83dc-6ac2ca332fb1
- SPFv=spf1 +a +mx +ip4:35.208.73.248 ip4:206.201.66.27 ip4:74.113.193.80 include:clispf.bkfs.com include:43829564.spf03.hubspotemail.net include:spf-002d2f01.pphosted.com include:spf.protection.outlook.com a:smtp-out-1.constellationhbs.com -all
- cisco-ci-domain-verification=379442df4719bc3716e8c1bf2d774bf7b1e7f69e4af6fea70561b6aa868db003
- atlassian-domain-verification=akRWMPUfJKr/AmugoIi7/VPeW/dt0DgtqP85aHiY9KY0GLMS8wdRrsrR1ieF6zox
- knowbe4-site-verification=d997d8ca4b7df835fc2dd6092326953e
- twilio-domain-verification=88d4ff081f0cd0933edf058a7c790a7c
Full email verification for dmatter.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits