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norton.com

Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: security

Security headers: F 17/100 (rank #400 of 461) · TLS: TLSv1.3 · Cert expires in 181 days (rank #440 of 459 soonest) · Response: 1450.5 ms (rank #431 of 446)

Certificate valid for 181 more days (until May 1 23:59:59 2027 GMT).

TLS certificate

Field	Value
Issuer	Sectigo Limited
Subject CN	nortonlifelock.com
Valid until	May 1 23:59:59 2027 GMT
Days left	181
TLS version	TLSv1.3
SAN entries	30

Security headers (17/100, grade F)

Header	Status
`permissions-policy`	ch-viewport-width=*.norton.com
`strict-transport-security`	missing
`content-security-policy`	missing
`x-frame-options`	missing
`x-content-type-options`	missing
`referrer-policy`	missing

Availability & performance

Field	Value
Availability	100% (3/3 probes)
Avg response	1450.5 ms
Fastest / slowest	1186.0 / 1893.8 ms
HTTP status	403 (https)
Server	AkamaiGHost

DNS & robots.txt

Field	Value
A records	20.223.132.252, 172.184.172.140
Nameservers	edns109.ultradns.biz, edns109.ultradns.com, edns109.ultradns.net, edns109.ultradns.org
MX records	1
robots.txt	absent (n/a sitemap refs, n/a disallow rules)

How norton.com compares

Site	Headers	Score	Cert days left	ms
bitwarden.com	A	100	34	30.0
dashlane.com	A	100	79	218.7
sophos.com	A	100	16	2701.1
haveibeenpwned.com	A	100	88	42.1
letsencrypt.org	A	100	32	59.4
auth0.com	B	83	78	104.0
paloaltonetworks.com	B	83	16	791.3
kaspersky.com	B	83	110	1934.6

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