Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
viessmann-us.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 22:53:19 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 93.122.86.52
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 142.250.102.26 ↩ rb-in-f26.1e100.net
- 2a00:1450:4025:402::1b ↩ rb-in-f27.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
SOA Record
Raw SOA
a.ns14.net do-not-reply.viessmann-us.com 2026011502 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@viessmann-us.com
Serial
2026011502
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
d.ns14.net
c.ns14.net
a.ns14.net
b.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.viessmann-climatesolutions.com include:_spf.google.com include:4781265.spf06.hubspotemail.net include:spf.mailjet.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=X8IBc93QlcWErsZvYsLbYZmV6m0XtyNwknDfoTNPEPA
- pardot_299192_*=d25c5b325db14898bfa69630cf222ed7333e4fd1c87cd658c8731dcc434007f5
- pardot_299192_*=441c48b95df0eeecdab1b1b716fdee324f52f2c0dff381f7a513b80af93d794d
- google-site-verification=wD14q0_2oVdHgwjCyMyH33oIaodJREbiEzfj4A6ZGEs
- SPFv=spf1 include:_spf.viessmann-climatesolutions.com include:_spf.google.com include:4781265.spf06.hubspotemail.net include:spf.mailjet.com -all
Full email verification for viessmann-us.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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