return-404.vivaldi.com - robtex.com
return-404.vivaldi.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:10::6814:1d9d🇺🇸 Cloudflare ✓ In HTTPS hints | ||||||
| A | 2606:4700:10::ac42:a53c🇺🇸 Cloudflare ✓ In HTTPS hints | ||||||
| A | 104.20.29.157 Cloudflare ✓ In HTTPS hints | ||||||
| A | 172.66.165.60🇺🇸 Cloudflare ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.20.29.157, 172.66.165.60 | ||||||
| IPv6 | 2606:4700:10::6814:1d9d, 2606:4700:10::ac42:a53c | ||||||
vivaldi.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:10::6814:1d9d🇺🇸 Cloudflare ✓ In HTTPS hints | ||||||
| A | 2606:4700:10::ac42:a53c🇺🇸 Cloudflare ✓ In HTTPS hints | ||||||
| A | 104.20.29.157 Cloudflare ✓ In HTTPS hints | ||||||
| A | 172.66.165.60🇺🇸 Cloudflare ✓ In HTTPS hints | ||||||
| NS | carl.ns.cloudflare.com ⭐ | ||||||
| NS | sue.ns.cloudflare.com | ||||||
| MX | mail.vivaldi.com ⭐ | ||||||
| TXT | MS=4856C94DC6621CE8BF5A28E4D551A355EC6567EF | ||||||
| TXT | v=spf1 ip4:31.209.137.20 ip4:31.209.137.31 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.20.29.157, 172.66.165.60 | ||||||
| IPv6 | 2606:4700:10::6814:1d9d, 2606:4700:10::ac42:a53c | ||||||
| SOA | carl.ns.cloudflare.comdns@cloudflare.com serial=2396797118 | ||||||
rank #6905 globally
rank #3445 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (93/100)
📈 Tranco rank: #6,708
DNS History
4 records (4 active, 0 former)
●A104.20.29.1572026-02-17 → 2026-02-19 · 2 obs
● 2026-02-17 13:07:52
● 2026-02-19 06:36:26
● 2026-02-19 06:36:26
●A172.66.165.602026-02-17 → 2026-02-19 · 2 obs
● 2026-02-17 13:07:52
● 2026-02-19 06:36:26
● 2026-02-19 06:36:26
●A2606:4700:10::6814:1d9d2026-02-17 → 2026-02-19 · 2 obs
● 2026-02-17 13:07:52
● 2026-02-19 06:36:26
● 2026-02-19 06:36:26
●A2606:4700:10::ac42:a53c2026-02-17 → 2026-02-19 · 2 obs
● 2026-02-17 13:07:52
● 2026-02-19 06:36:26
● 2026-02-19 06:36:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| vivaldi.com | carl.ns.cloudflare.com, sue.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.192.145
NS records: carl.ns.cloudflare.com, sue.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 398ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.66.165.60, 104.20.29.157 |
| AAAA | 2 | 2606:4700:10::ac42:a53c, 2606:4700:10::6814:1d9d |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (carl.ns.cloudflare.com, carl.ns.cloudflare.com, carl.ns.cloudflare.com...)
AI analysis
return-404.vivaldi.com resolves to four IP numbers: 2606:4700:10::6814:1d9d, 2606:4700:10::ac42:a53c, 104.20.29.157 and 172.66.165.60.
Other host names such as www.vivaldi.com, cats.mcri.edu.au, donate.mcri.edu.au, hexens.io and www.mcri.edu.au share IPs with return-404.vivaldi.com.