avastcdn.com - robtex.com
avastcdn.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | edns109.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::26d🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | edns109.ultradns.com | ||||||
| A | 204.74.66.109🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar | ||||||
| PTR | edns109.ultradns.com | ||||||
| NS | edns109.ultradns.biz | ||||||
| A | 2610:a1:1015::26d🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | edns109.ultradns.biz | ||||||
| A | 204.74.67.109🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar | ||||||
| PTR | edns109.ultradns.biz | ||||||
| NS | edns109.ultradns.net | ||||||
| A | 2610:a1:1014::26d🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | edns109.ultradns.net | ||||||
| A | 204.74.110.109🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar | ||||||
| PTR | edns109.ultradns.net | ||||||
| NS | edns109.ultradns.org | ||||||
| A | 2001:502:4612::26d🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | edns109.ultradns.org | ||||||
| A | 204.74.111.109🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar | ||||||
| PTR | edns109.ultradns.org | ||||||
| TXT | v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all | ||||||
| SOA | edns109.ultradns.comdomains@nortonlifelock.com 2023-12-20 #12 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Subdomains
Same first word
avastcdn.com |
DNS History
10 records (4 active, 6 former)
●NSedns109.ultradns.biz2026-02-16 → 2026-03-19 · 3 obs
● 2026-02-16 16:58:52
● 2026-03-19 03:33:12
●NSedns109.ultradns.com2026-02-16 → 2026-03-19 · 3 obs
● 2026-02-16 16:58:52
● 2026-03-19 03:33:12
●NSedns109.ultradns.net2026-02-16 → 2026-03-19 · 3 obs
● 2026-02-16 16:58:52
● 2026-03-19 03:33:12
●NSedns109.ultradns.org2026-02-16 → 2026-03-19 · 3 obs
● 2026-02-16 16:58:52
● 2026-03-19 03:33:12
○NSgeorge.ns.cloudflare.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-02-16 16:58:52
○ 2026-03-19 03:33:12
○NSnina.ns.cloudflare.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-02-16 16:58:52
○ 2026-03-19 03:33:12
○A104.27.164.832017-09-28 → 2026-02-16 · 4 obs
● 2026-02-16 16:58:52
○ 2026-02-22 07:53:14
○ 2026-03-19 03:33:12
○A104.27.165.832017-09-28 → 2026-02-16 · 4 obs
● 2026-02-16 16:58:52
○ 2026-02-22 07:53:14
○ 2026-03-19 03:33:12
○A2400:cb00:2048:1::681b:a4532017-09-28 → 2026-02-16 · 4 obs
● 2026-02-16 16:58:52
○ 2026-02-22 07:53:14
○ 2026-03-19 03:33:12
○A2400:cb00:2048:1::681b:a5532017-09-28 → 2026-02-16 · 4 obs
● 2026-02-16 16:58:52
○ 2026-02-22 07:53:14
○ 2026-03-19 03:33:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net... | - |
| avastcdn.com | edns109.ultradns.org, edns109.ultradns.com, edns109.ultradns.net, edns109.ultradns.biz | 2 records |
✅ Authoritative Response
Server: 204.74.110.109
NS records: edns109.ultradns.org, edns109.ultradns.com, edns109.ultradns.net, edns109.ultradns.biz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for avastcdn.com (unsigned zone)
⏱️ Timing
Total: 715ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | edns109.ultradns.biz, edns109.ultradns.com... |
| TXT | 1 | v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}. |
| SOA | 1 | edns109.ultradns.com domains.nortonlifel |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (edns109.ultradns.com, edns109.ultradns.com)
Analysis
Hierarchy
avastcdn.com is a parent of stage.avastcdn.com and static.avastcdn.com.
Name Servers
avastcdn.com's delegation is handled by four name servers: edns109.ultradns.biz, edns109.ultradns.com, edns109.ultradns.net and edns109.ultradns.org.
avastcdn.com partially shares name servers with other domains; examples include avira.ch, antivirus.vg, avira-auc-test-domain.com, avira.tips and burgerlab.de.
These name servers are often used with the name servers udns1.ultradns.net and udns2.ultradns.net.
Host names with two IPs:
edns109.ultradns.biz points to 2610:a1:1015::26d and 204.74.67.109
edns109.ultradns.com points to 2001:502:f3ff::26d and 204.74.66.109
edns109.ultradns.net points to 2610:a1:1014::26d and 204.74.110.109
edns109.ultradns.org points to 2001:502:4612::26d and 204.74.111.109