zefr.app - robtex.com
zefr.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:3beb🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:b96d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.59.235Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.185.109🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | albert.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b3a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c13a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:213a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| A | 108.162.193.58🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| A | 172.64.33.58🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| A | 173.245.59.58🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| NS | donna.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c097🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2097🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 108.162.192.151🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 172.64.32.151🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 173.245.58.151🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.59.235, 172.67.185.109 | ||||||
| IPv6 | 2606:4700:3031::6815:3beb, 2606:4700:3031::ac43:b96d | ||||||
| SOA | albert.ns.cloudflare.comdns@cloudflare.com serial=2399234266 | ||||||
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 | ||||||
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSalbert.ns.cloudflare.com2026-02-27 → 2026-03-26 · 2 obs
● 2026-03-26 15:49:30
●NSdonna.ns.cloudflare.com2026-02-27 → 2026-03-26 · 2 obs
● 2026-03-26 15:49:30
●A104.21.59.2352026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:49:30
●A172.67.185.1092026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:49:30
○A188.114.96.02026-02-27 → 2026-02-27 · 2 obs
○ 2026-03-26 15:49:30
○A188.114.97.02026-02-27 → 2026-02-27 · 2 obs
○ 2026-03-26 15:49:30
●A2606:4700:3031::6815:3beb2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:49:30
●A2606:4700:3031::ac43:b96d2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:49:30
○A2a06:98c1:3120::2026-02-27 → 2026-02-27 · 2 obs
○ 2026-03-26 15:49:30
○A2a06:98c1:3121::2026-02-27 → 2026-02-27 · 2 obs
○ 2026-03-26 15:49:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| zefr.app | donna.ns.cloudflare.com, albert.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.151
NS records: donna.ns.cloudflare.com, albert.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zefr.app (unsigned zone)
⏱️ Timing
Total: 329ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.185.109, 104.21.59.235 |
| AAAA | 2 | 2606:4700:3031::ac43:b96d, 2606:4700:3031::6815:3beb |
| NS | 2 | albert.ns.cloudflare.com, donna.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | albert.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
zefr.app points to four IP numbers: 2606:4700:3031::6815:3beb, 2606:4700:3031::ac43:b96d, 104.21.59.235 and 172.67.185.109.
Other host names, for instance www.debian.as, pinciamca.com, fslife.cn, z(0x787878)fw.com and iklan389.com share IP numbers with zefr.app.
Name Servers
zefr.app's delegation is to two name servers albert.ns.cloudflare.com and donna.ns.cloudflare.com.
zefr.app shares the same name server configuration as other domains, such as rinvar.com, studioavvocato24.it, boiling-billy.com, duplicazionechiavi.it and condominiosi.it.
zefr.app at least partially shares its name servers with other domains, for instance sbmcimaging.org, pexxus.com, estlite.ru, intesiresources.com and ichefu.com.
these name servers are commonly used with the name servers moura.ns.cloudflare.com, jose.ns.cloudflare.com, marissa.ns.cloudflare.com, alexandra.ns.cloudflare.com, pablo.ns.cloudflare.com and bayan.ns.cloudflare.com.
Host names with six IP numbers:
albert.ns.cloudflare.com points to: 2606:4700:58::adf5:3b3a, 2803:f800:50::6ca2:c13a, 2a06:98c1:50::ac40:213a, 108.162.193.58, 172.64.33.58 and 173.245.59.58.
donna.ns.cloudflare.com points to: 2606:4700:50::adf5:3a97, 2803:f800:50::6ca2:c097, 2a06:98c1:50::ac40:2097, 108.162.192.151, 172.64.32.151 and 173.245.58.151.