Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
basler.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 22:48:24 UTC · ↺ Refresh
MX Hostnames
- mx2.hc6923-49.iphmx.com
- mx1.hc6923-49.iphmx.com
MX Priorities
- mx2.hc6923-49.iphmx.com: 5
- mx1.hc6923-49.iphmx.com: 0
A / AAAA Records
- 23.185.0.1 (no PTR)
Mail Server IPs
- 68.232.142.158 ↩ esa1.hc6923-49.iphmx.com
- 68.232.148.238 ↩ esa2.hc6923-49.iphmx.com
SOA Record
Raw SOA
ns11.constellix.com dns.constellix.com 2015010239 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010239
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
SPF Record
✓ Strict (-all)
v=spf1 exists:%{i}.spf.hc6923-49.iphmx.com ip4:107.182.79.6 ip4:97.105.185.211 ip4:68.188.55.166 ip4:12.97.180.131 mx include:sendgrid.net include:dnsus1.accellion.com include:46397647.spf01.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- MS=80FC07C0DE7D24EEE87CB110E1681BF1D0D7D5FB
- google-site-verification=RKa2Expok-dPMSyJsi7x8mUGsYXeL4i3OyATCrbnefE
- +EpDxcn1GYe226PHhWN28MmHbuAMrn6CBR3p6w8pL0V55jCjuRCr4tobMwkZciBcpi7rlWWlSARyIUbA/DWwrw==
- google-site-verification=vGEfzoROi07flq7_nyyu9K37-k6Pqvy7O6mHSa9EO0c
- MS=74AB69B1F86DAAFC84C6F2378F732422ECDFE628
- SPFv=spf1 exists:%{i}.spf.hc6923-49.iphmx.com ip4:107.182.79.6 ip4:97.105.185.211 ip4:68.188.55.166 ip4:12.97.180.131 mx include:sendgrid.net include:dnsus1.accellion.com include:46397647.spf01.hubspotemail.net -all
Full email verification for basler.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits