u2s.ca - robtex.com
u2s.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:1847🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:d95c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.24.71Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.217.92🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dave.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b6d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c16d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:216d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 108.162.193.109🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 172.64.33.109🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 173.245.59.109🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| NS | eva.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a72🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c072🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2072🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| A | 108.162.192.114🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| A | 172.64.32.114🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| A | 173.245.58.114🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| TXT | google-site-verification=zB6-1azoddrWN9DpDCQxuvfoy6NrnI9DxkfK_oIWRlw | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.24.71, 172.67.217.92 | ||||||
| IPv6 hints | 2606:4700:3037::6815:1847, 2606:4700:3037::ac43:d95c | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=217, name=cloudflare-ech.com | ||||||
| SOA | dave.ns.cloudflare.comdns@cloudflare.com serial=2409133377 | ||||||
ca
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | prd-czp-05.corp.cira.ca ⭐ | ||||||
| NS | any.ca-servers.ca | ||||||
| NS | c.ca-servers.ca | ||||||
| NS | d.ca-servers.ca | ||||||
| NS | j.ca-servers.ca | ||||||
| SOA | prd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2608041330 | ||||||
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSdave.ns.cloudflare.com2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 14:20:38
●NSeva.ns.cloudflare.com2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 14:20:38
●A104.21.24.712026-08-04 → 2026-08-04 · 2 obs
● 2026-08-04 14:20:38
●A172.67.217.922026-08-04 → 2026-08-04 · 2 obs
● 2026-08-04 14:20:38
○A188.114.96.02026-08-02 → 2026-08-02 · 2 obs
○ 2026-08-04 14:20:38
○A188.114.97.02026-08-02 → 2026-08-02 · 2 obs
○ 2026-08-04 14:20:38
●A2606:4700:3037::6815:18472026-08-04 → 2026-08-04 · 2 obs
● 2026-08-04 14:20:38
●A2606:4700:3037::ac43:d95c2026-08-04 → 2026-08-04 · 2 obs
● 2026-08-04 14:20:38
○A2a06:98c1:3120::2026-08-02 → 2026-08-02 · 2 obs
○ 2026-08-04 14:20:38
○A2a06:98c1:3121::2026-08-02 → 2026-08-02 · 2 obs
○ 2026-08-04 14:20:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca | - |
| u2s.ca | dave.ns.cloudflare.com, eva.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.109
NS records: dave.ns.cloudflare.com, eva.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u2s.ca (unsigned zone)
⏱️ Timing
Total: 861ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.24.71, 172.67.217.92 |
| AAAA | 2 | 2606:4700:3037::6815:1847, 2606:4700:3037::ac43:d95c |
| NS | 2 | dave.ns.cloudflare.com, eva.ns.cloudflare.com |
| TXT | 1 | google-site-verification=zB6-1azoddrWN9D |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dave.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
u2s.ca directs to four IP numbers, which are 104.21.24.71, 172.67.217.92, 2606:4700:3037::6815:1847 and 2606:4700:3037::ac43:d95c.
Two other host names, along with currencypairs.info, wyel.com.sg and lanbaoshi-knitting.com, also share IP numbers with u2s.ca.
Name Servers
u2s.ca uses two name servers for its delegation: dave.ns.cloudflare.com and eva.ns.cloudflare.com.
u2s.ca shares its NS records with other domains, for example esquerrabcn.cat, tandarts.nl, woordmeteenk.nl and two others.
The name servers of u2s.ca overlap at least partially with those of other domains — among them dota2bisaichaxunwangzhan.net.cn, shanghaishenhuagw.net.cn, opuxuyi.top and two more.
The name servers dana.ns.cloudflare.com, mimi.ns.cloudflare.com and quincy.ns.cloudflare.com are commonly seen alongside these name servers.
DNS names with 6 IP addresses:
Hostname dave.ns.cloudflare.com directs to 108.162.193.109, 172.64.33.109 and 173.245.59.109 along with 3 other IP addresses.
Hostname eva.ns.cloudflare.com directs to 108.162.192.114, 172.64.32.114 and 173.245.58.114 along with 3 other IP addresses.