sl.ff.avast.com - robtex.com

sl.ff.avast.com

CNAMEsl-optimal.prcdn.net
DNSSEC⚠️ Not signed

ff.avast.com

DNSSEC⚠️ Not signed
NSa1-182.akam.net ⭐ ⚠️ Not in parent delegation
NSa11-66.akam.net ⚠️ Not in parent delegation
NSa13-65.akam.net ⚠️ Not in parent delegation
NSa20-66.akam.net ⚠️ Not in parent delegation
NSa26-67.akam.net ⚠️ Not in parent delegation
NSa6-67.akam.net ⚠️ Not in parent delegation
SOAa1-182.akam.nethostmaster@avast.com serial=1772441104
WOT: SAFE (61/100)
WOT: SAFE (64/100)

Subdomains

psme.sl.ff.avast.com
ipsc.sl.ff.avast.com

Same first word

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ls.fyi
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DNS History

4 records (1 active, 3 former)

2017201820192020202120222023202420252026A77.234.43.4477.234.43.46CNAMEsl-optimal.prcdn.netipsc-lon.sl.ff.avast.com
○A77.234.43.442016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 19:52:02
○ 2026-02-22 16:19:44
○ 2026-04-24 03:11:38
○A77.234.43.462016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 19:52:02
○ 2026-02-22 16:19:44
○ 2026-04-24 03:11:38
○CNAMEipsc-lon.sl.ff.avast.com2016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 19:52:02
○ 2026-02-22 16:19:44
○ 2026-04-24 03:11:38
●CNAMEsl-optimal.prcdn.net2026-02-22 → 2026-04-24 · 3 obs
○ 2016-12-28 19:52:02
● 2026-02-22 16:19:44
● 2026-04-24 03:11:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...-
avast.coma11-66.akam.net, a6-67.akam.net, a26-67.akam.net, a1-182.akam.net...-

✅ Authoritative Response

Server:23.74.25.67

NS records: a11-66.akam.net, a6-67.akam.net, a26-67.akam.net, a1-182.akam.net, a13-65.akam.net, a20-66.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for avast.com (unsigned zone)

⏱️ Timing

Total: 924ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1sl-optimal.prcdn.net