zotero.app - robtex.com
zotero.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:8ea0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:1b86🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.27.134Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.142.160🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ashton.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cad🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ashton.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3ad🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ashton.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23ad🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ashton.ns.cloudflare.com | ||||||
| A | 108.162.195.173🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ashton.ns.cloudflare.com | ||||||
| A | 162.159.44.173Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ashton.ns.cloudflare.com | ||||||
| A | 172.64.35.173🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ashton.ns.cloudflare.com | ||||||
| NS | novalee.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26b6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2b6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22b6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| A | 108.162.194.182🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| A | 162.159.38.182Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| A | 172.64.34.182🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.27.134, 172.67.142.160 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:8ea0, 2606:4700:3037::6815:1b86 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=181, name=cloudflare-ech.com | ||||||
| SOA | ashton.ns.cloudflare.comdns@cloudflare.com serial=2408600470 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
🔒 HSTS Preload (+subdomains)
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSashton.ns.cloudflare.com2026-08-09 → 2026-08-14 · 2 obs
● 2026-08-14 00:55:34
●NSnovalee.ns.cloudflare.com2026-08-09 → 2026-08-14 · 2 obs
● 2026-08-14 00:55:34
●A104.21.27.1342026-08-09 → 2026-08-14 · 2 obs
● 2026-08-14 00:55:34
●A172.67.142.1602026-08-09 → 2026-08-14 · 2 obs
● 2026-08-14 00:55:34
●A2606:4700:3035::ac43:8ea02026-08-09 → 2026-08-14 · 2 obs
● 2026-08-14 00:55:34
●A2606:4700:3037::6815:1b862026-08-09 → 2026-08-14 · 2 obs
● 2026-08-14 00:55:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| zotero.app | ashton.ns.cloudflare.com, novalee.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.182
NS records: ashton.ns.cloudflare.com, novalee.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zotero.app (unsigned zone)
⏱️ Timing
Total: 1460ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.27.134, 172.67.142.160 |
| AAAA | 2 | 2606:4700:3037::6815:1b86, 2606:4700:3035::ac43:8ea0 |
| NS | 2 | ashton.ns.cloudflare.com, novalee.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ashton.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
zotero.app has four IP addresses: 104.21.27.134, 172.67.142.160, 2606:4700:3035::ac43:8ea0 and 2606:4700:3037::6815:1b86.
readino.com, atimp.com, altofab.ca and two other host names share IP numbers with zotero.app.
Name Servers
Two name servers handle the delegation for zotero.app: ashton.ns.cloudflare.com and novalee.ns.cloudflare.com.
zotero.app uses the same name servers as several other domains — among them lumaridion.sbs, hylok.ca, voicenetwork.de and two more.
zotero.app has at least partial name server overlap with other domains, such as xinlangshengfucaiyuce.asia, kmoban.com, xcxnc.com and two others.
nova.ns.cloudflare.com, eve.ns.cloudflare.com and liv.ns.cloudflare.com — plus 3 other name servers — are commonly paired with these name servers.
Hostnames that resolve to 6 IP addresses:
ashton.ns.cloudflare.com resolves to 108.162.195.173, 162.159.44.173 and 172.64.35.173 among others, with 3 other IP addresses in total.
novalee.ns.cloudflare.com resolves to 108.162.194.182, 162.159.38.182 and 172.64.34.182 among others, with 3 other IP addresses in total.