zsender.io - robtex.com
zsender.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:16a5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:cdec🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.22.165Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.205.236🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ainsley.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26d3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ainsley.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2d3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ainsley.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22d3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ainsley.ns.cloudflare.com | ||||||
| A | 108.162.194.211🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ainsley.ns.cloudflare.com | ||||||
| A | 162.159.38.211Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ainsley.ns.cloudflare.com | ||||||
| A | 172.64.34.211🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ainsley.ns.cloudflare.com | ||||||
| NS | denver.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cc4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | denver.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3c4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | denver.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23c4🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | denver.ns.cloudflare.com | ||||||
| A | 108.162.195.196🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | denver.ns.cloudflare.com | ||||||
| A | 162.159.44.196Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | denver.ns.cloudflare.com | ||||||
| A | 172.64.35.196🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | denver.ns.cloudflare.com | ||||||
| MX | route3.mx.cloudflare.net ⭐ | ||||||
| A | 2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| MX | route2.mx.cloudflare.net(66) | ||||||
| A | 2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| MX | route1.mx.cloudflare.net(79) | ||||||
| A | 2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| TXT | google-site-verification=hcTKAxNim6-zP9VpGIbrDTgPwZgNabUlCIk9FfW7iDA | ||||||
| TXT | v=spf1 ip4:167.235.67.1 include:spf.zsender.io include:_spf.mx.cloudflare.net... | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.22.165, 172.67.205.236 | ||||||
| IPv6 hints | 2606:4700:3035::6815:16a5, 2606:4700:3036::ac43:cdec | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com | ||||||
| SOA | ainsley.ns.cloudflare.comdns@cloudflare.com serial=2410819506 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1785951034 | ||||||
Subdomains
mx.zsender.io |
Same first word
Similar names
zenders.com |
zenders.eu |
zenders.nz |
szrende.cn |
endersz.se |
zenders.nl |
sendzer.com |
zenders.be |
denzers.com |
dreszen.com |
zenders.net |
szender.hu |
zenders.de |
endresz.hu |
rezsend.com |
sdrenze.com |
DNS History
9 records (9 active, 0 former)
●NSainsley.ns.cloudflare.com2026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 18:23:04
●NSdenver.ns.cloudflare.com2026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 18:23:04
●MXroute1.mx.cloudflare.net2026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 18:23:04
●MXroute2.mx.cloudflare.net2026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 18:23:04
●MXroute3.mx.cloudflare.net2026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 18:23:04
●A104.21.22.1652026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 18:23:04
●A172.67.205.2362026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 18:23:04
●A2606:4700:3035::6815:16a52026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 18:23:04
●A2606:4700:3036::ac43:cdec2026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 18:23:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, c0.nic.io, a0.nic.io, b0.nic.io | - |
| zsender.io | denver.ns.cloudflare.com, ainsley.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.211
NS records: denver.ns.cloudflare.com, ainsley.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zsender.io (unsigned zone)
⏱️ Timing
Total: 506ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.205.236, 104.21.22.165 |
| AAAA | 2 | 2606:4700:3036::ac43:cdec, 2606:4700:3035::6815:16a5 |
| NS | 2 | ainsley.ns.cloudflare.com, denver.ns.cloudflare.com |
| MX | 3 | route3.mx.cloudflare.net (pri: 36), route2.mx.cloudflare.net (pri: 66)... |
| TXT | 2 | google-site-verification=hcTKAxNim6-zP9V, v=spf1 ip4:167.235.67.1 include:spf.zsen |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ainsley.ns.cloudflare.com dns.cloudflare |
Analysis
Hierarchy
zsender.io serves as the parent of mx.zsender.io.
IP Addresses
zsender.io resolves to four IP addresses: 104.21.22.165, 172.67.205.236, 2606:4700:3035::6815:16a5 and 2606:4700:3036::ac43:cdec.
Two other host names, along with directnewiser.com, merezha.co and huaisahang(0x77616e6b)ongninbaihanpeisai.bond, also share IP numbers with zsender.io.
Name Servers
DNS delegation for zsender.io points to two name servers: ainsley.ns.cloudflare.com and denver.ns.cloudflare.com.
zsender.io shares its NS records with other domains, for example billpay.tech, kharon.taxi, 71691.org and two others.
zsender.io has at least partial name server overlap with other domains, such as polkadot.no, modalu.com, acerosindustriales.com.co and two others.
The name servers susan.ns.cloudflare.com, alfred.ns.cloudflare.com, kinsley.ns.cloudflare.com and two others are commonly seen in use alongside these name servers.
DNS names with 6 IP addresses:
ainsley.ns.cloudflare.com has IP addresses 108.162.194.211, 162.159.38.211 and 172.64.34.211, plus 3 other.
denver.ns.cloudflare.com has IP addresses 108.162.195.196, 162.159.44.196 and 172.64.35.196, plus 3 other.
Mail Servers
zsender.io has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
There is at least a partial MX overlap between zsender.io and other domains, including utanvirus.se, getmail.lt, zgames.us and two others.
DNS names with 6 IP addresses:
route1.mx.cloudflare.net has IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, plus 3 other.
route2.mx.cloudflare.net has IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, plus 3 other.
route3.mx.cloudflare.net has IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, plus 3 other.