whoscalling.io - robtex.com
whoscalling.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:c085🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:33fd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.51.253Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.192.133🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jule.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3aaf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0af🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20af🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| A | 108.162.192.175🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| A | 172.64.32.175🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| A | 173.245.58.175🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jule.ns.cloudflare.com | ||||||
| NS | tanner.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c61🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tanner.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c361🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tanner.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2361🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tanner.ns.cloudflare.com | ||||||
| A | 108.162.195.97🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tanner.ns.cloudflare.com | ||||||
| A | 162.159.44.97Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tanner.ns.cloudflare.com | ||||||
| A | 172.64.35.97🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tanner.ns.cloudflare.com | ||||||
| TXT | fah-claim=002-02-98833546-34bd-452f-8dec-82eaf2f97fba | ||||||
| TXT | google-site-verification=kqvOuNxALpAt--s28SnNTjengtYseUpEecipp8PjX5w | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.51.253, 172.67.192.133 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:c085, 2606:4700:3037::6815:33fd | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=35, name=cloudflare-ech.com | ||||||
| SOA | jule.ns.cloudflare.comdns@cloudflare.com serial=2406578980 | ||||||
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=1785542132 | ||||||
Same first word
DNS History
10 records (6 active, 4 former)
●NSjule.ns.cloudflare.com2026-06-23 → 2026-08-01 · 2 obs
● 2026-08-01 01:01:46
●NStanner.ns.cloudflare.com2026-06-23 → 2026-08-01 · 2 obs
● 2026-08-01 01:01:46
●A104.21.51.2532026-08-01 → 2026-08-01 · 2 obs
● 2026-08-01 01:01:46
●A172.67.192.1332026-08-01 → 2026-08-01 · 2 obs
● 2026-08-01 01:01:46
○A188.114.96.02026-06-23 → 2026-06-23 · 2 obs
○ 2026-08-01 01:01:46
○A188.114.97.02026-06-23 → 2026-06-23 · 2 obs
○ 2026-08-01 01:01:46
●A2606:4700:3032::ac43:c0852026-08-01 → 2026-08-01 · 2 obs
● 2026-08-01 01:01:46
●A2606:4700:3037::6815:33fd2026-08-01 → 2026-08-01 · 2 obs
● 2026-08-01 01:01:46
○A2a06:98c1:3120::2026-06-23 → 2026-06-23 · 2 obs
○ 2026-08-01 01:01:46
○A2a06:98c1:3121::2026-06-23 → 2026-06-23 · 2 obs
○ 2026-08-01 01:01:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, b0.nic.io, a0.nic.io, a2.nic.io | - |
| whoscalling.io | tanner.ns.cloudflare.com, jule.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.175
NS records: tanner.ns.cloudflare.com, jule.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for whoscalling.io (unsigned zone)
⏱️ Timing
Total: 1302ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.192.133, 104.21.51.253 |
| AAAA | 2 | 2606:4700:3032::ac43:c085, 2606:4700:3037::6815:33fd |
| NS | 2 | jule.ns.cloudflare.com, tanner.ns.cloudflare.com |
| TXT | 2 | fah-claim=002-02-98833546-34bd-452f-8dec, google-site-verification=kqvOuNxALpAt--s |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jule.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
whoscalling.io points to the four IP addresses 104.21.51.253, 172.67.192.133, 2606:4700:3032::ac43:c085 and 2606:4700:3037::6815:33fd.
drjt99.com, mcdonaldsvenlocentrum.nl, pacopetshop.it and two other host names share IP numbers with whoscalling.io.
Name Servers
DNS delegation for whoscalling.io points to two name servers: jule.ns.cloudflare.com and tanner.ns.cloudflare.com.
whoscalling.io uses the same name servers as several other domains — among them industrialwasteservices.com.au, canadapropertyexpert.ca, nekko.in and two more.
The name servers of whoscalling.io overlap at least partially with those of other domains — among them znlcl.com, celm.shop, 494ld.com and two more.
The name servers bradley.ns.cloudflare.com, iris.ns.cloudflare.com and gina.ns.cloudflare.com are commonly seen alongside these name servers.
Hostnames that resolve to 6 IP addresses:
jule.ns.cloudflare.com has IP addresses 108.162.192.175, 172.64.32.175 and 173.245.58.175, plus 3 other.
tanner.ns.cloudflare.com has IP addresses 108.162.195.97, 162.159.44.97 and 172.64.35.97, plus 3 other.