Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nortonlifelock.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:20:12 UTC · ↺ Refresh
MX Hostnames
- nortonlifelock-com.mail.protection.outlook.com
MX Priorities
- nortonlifelock-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.99.92.83 (no PTR)
- 40.69.201.11 (no PTR)
Mail Server IPs
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
udns1.ultradns.net domains.nortonlifelock.com 2019101749 21600 7200 1209600 86400
Primary NS (mname)
udns1.ultradns.net
Admin Email (rname)
domains@nortonlifelock.com
Serial
2019101749
Refresh
21600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
udns1.ultradns.net
udns2.ultradns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:nortonlifelock.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
29 records- webexdomainverification.4C675B8B1F90B136E053AB06FC0A3F65=0159675c-2683-49a1-9a06-9402f467118b
- google-site-verification=PBqlRYQ6N6OO5Fxnyx8N9cinwbRi5fb-AuBgUwxX3_A
- google-site-verification=eN8myqD_gSr1iZMu5wYdyMlWN7VqiZ1jVaPXcBA6aCw
- adobe-sign-verification=6fcc6c3acc702dfb498ceab986407911
- S0Y0M52642
- adobe-idp-site-verification=bdba4b3bc747c9958a59894d080706a5c4eab57133b6dc403da7cdbcd327731f
- asv=31d7a2345904b0b85435770b6845e59a
- MS=ms85465651
- cisco-ci-domain-verification=2624736ee64b35c19f5140aeb41f6d35b8df009f8ca962ea03ea43aba3fdc85b
- webexdomainverification.4C675B8B1FABB136E053AB06FC0A3F65=a34f41fb-2c83-4432-8e15-5910fe4ddc6c
- mongodb-site-verification=ueWW9i5gXeVOAv1OIwCHUhERgcjPZy3m
- MS=ms38748047
- adobe-idp-site-verification=bdba4b3bc747c9958a59894d080706a5c4eab57133b6dc403da7cdbcd327731f
- google-site-verification=YsI_0Ji5ZnK1YumumomDTvbJlglsAsWcsNw68n9VKf0
- google-site-verification=XLgwbHAt6ECnSyGltX-DXs86NRRIDykfdJbidvbHZFk
- atlassian-domain-verification=/HWfB70u2BCI5tlCrBw7XK2EDdzHBrrc9r5Vahdzh/x8PlBzWCeNjliUnAqrfDwl
- google-site-verification=ySs3oIAN5EfZeuRlYyIiQYi_XshhPemFdwe0DZVxJpU
- SPFv=spf1 include:nortonlifelock.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com ~all
- google-site-verification=8p8kLRDWx-YUnH8_lPSV3nQsxvALXzVmRsxBIzWDtEs
- google-site-verification=vReDNi30YLKBQW0NC6WfHTPb1ieN3MJOBhEB9x50u7w
- MS=ms79059361
- mixpanel-domain-verify=6207392a-f6ba-416f-9579-c96b3f26dec5
- apple-domain-verification=oYRw4ADtomKOkVhZ
- Dynatrace-site-verification=1f0842c1-157e-460f-a08c-48f7de5d3f52__sm61097taqm5t9tijb2cjc6oeo
- onetrust-domain-verification=dacb180140c74cbf935d2b001e477c03
- QqaFkeLyb575LwUiwlwG7g
- adobe-idp-site-verification=b419b2d5908c78b52de3d2bc8d79996a7177a7f865ec7200c0dd38f6a0d7a0af
- MS=ms43988709
- google-site-verification=afwT_QiYHIsoDrcnpYbMFoV6viHqpRSQz6ZF1uezzEs
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for nortonlifelock.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits