lonza.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
lonza.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-19 23:51:03 UTC ยท โ†บ Refresh

MX Hostnames

  • smtp1.lonza.com
  • smtp2.lonza.com

MX Priorities

  • smtp1.lonza.com: 10
  • smtp2.lonza.com: 20

A / AAAA Records

  • 51.144.88.178 (no PTR)

Mail Server IPs

  • 91.220.100.17 โ†ฉ smtp1.lonza.com
  • 91.220.100.18 โ†ฉ smtp2.lonza.com

SOA Record

Raw SOA a1-218.akam.net dns.domaintechnology.ch 2026030900 14400 3600 1814400 1800
Primary NS (mname)
a1-218.akam.net
Admin Email (rname)
dns@domaintechnology.ch
Serial
2026030900
Refresh
14400s
Retry
3600s
Expire
1814400s
Minimum TTL
1800s

Nameservers (NS)

a24-66.akam.net
a12-66.akam.net
a1-218.akam.net
a9-66.akam.net
a28-64.akam.net
a11-67.akam.net

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
๐Ÿ“Š DNS lookups: 1/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 4 found
selector2._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
โœ“ DKIM properly configured for selector: selector2

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

27 records
  • ZOOM_verify_7KIwWFgATcWbRastQrkrmA
  • adobe-sign-verification=2bc393c2bdedf36ab46a6b099d0c73f5
  • p4m577cp4dujqv5cn6in98533o
  • apple-domain-verification=TFEaj3mXXXrNOGEf
  • 162wbvmxq42h5zrc78tzpkb4s0nkkg9z
  • access-domain-verification=7992006988818364e24fbffe7c2510ad3b6bc8be7232311927dec45e96223392
  • swisssign-check=IIAZhFkLwzzcJ8MCJVdwo4DlTws
  • google-site-verification=_sQcCmF67SDeqcXnnsSpVvAN3LxGQgOIUAty0x4L8ys
  • SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
  • atlassian-domain-verification=M2jpf3qbliAFOgjpcINyAMP0NQuPwl5I2PVwPlsaT6alMynfUeHWYariX5L5Plox
  • docusign=64908403-dfde-438b-b162-07bdc7aee10b
  • H4Ipolk0UIecjkAohJ0vc0OHm0xePf2lHNtpzrtrGNU=
  • paloaltonetworks-site-verification=42881b35518250b1a791f3d2348d40c0a14bc82bba853c3cfee55493ba975704
  • adobe-idp-site-verification=8b1607e55d45aee4b58f55ec9e86232118cd07da72e82a40d2bb6b723e129472
  • adobe-idp-site-verification=f396570a24c30c3fe7bb9339051f2debd45a3cd79e8c8f8aa0f01b3145aa2ded
  • sd954bfb77588e04lgm90mm6am
  • n549kkgqdo28pj00mnh0o0pps0
  • swisssign-check=2FqtWZY8WooNsbxewPVCmYVCef8
  • onetrust-domain-verification=2dab56aeaea9436ebb4e9ae4140b9cb4
  • swisssign-check=mXPb_BbJKZJ3BJ_-X4CQwc9d3l0
  • google-site-verification=C_2kS9loJI8OypjmJEVfLX0uc8fVZfJKY1HzF4NRess
  • BF16C1EBA19FCCFEE111EBCC06401BCF7AAED7BA1C84F4502B541A6BA609DCCD
  • QuoVadis=f732f0ff-0faf-4dab-8992-134d95ba611d
  • swisssign-check=oo28Xjl-bpgPDp1UOoUHB0DFwlg
  • swisssign-check=WIVKVMyOcmQFZ0W_z4zHGa3fxKM
  • a7dv5j45j10e9c8v104lgcmi8l
  • google-gws-recovery-domain-verification=60251956
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for lonza.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits