sheffer.dev - robtex.com
sheffer.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:a82f🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::6815:19ed🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.25.237Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.168.47🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | athena.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a48🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c048🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2048🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 108.162.192.72🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.32.72🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.58.72🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | doug.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b9f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c19f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:219f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 108.162.193.159🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.33.159🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.59.159🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.25.237, 172.67.168.47 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:a82f, 2606:4700:3031::6815:19ed | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=30, name=cloudflare-ech.com | ||||||
| SOA | athena.ns.cloudflare.comdns@cloudflare.com serial=2418871202 | ||||||
dev
| 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=1 | ||||||
Same first word
Similar names
ersheff.com |
heffers.ph |
fshfree.workers.dev |
resheff.mywire.org |
resheff.com |
shereff.com |
heffers.co.uk |
heffers.com |
effresh.ch |
freshfe.com |
ersheff.workers.dev |
heffers.org |
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSathena.ns.cloudflare.com2026-10-31 → 2026-11-01 · 2 obs
● 2026-11-01 03:31:14
●NSdoug.ns.cloudflare.com2026-10-31 → 2026-11-01 · 2 obs
● 2026-11-01 03:31:14
●A104.21.25.2372026-10-31 → 2026-11-01 · 2 obs
● 2026-11-01 03:31:14
●A172.67.168.472026-10-31 → 2026-11-01 · 2 obs
● 2026-11-01 03:31:14
●A2606:4700:3030::ac43:a82f2026-10-31 → 2026-11-01 · 2 obs
● 2026-11-01 03:31:14
●A2606:4700:3031::6815:19ed2026-10-31 → 2026-11-01 · 2 obs
● 2026-11-01 03:31:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| sheffer.dev | athena.ns.cloudflare.com, doug.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.72
NS records: athena.ns.cloudflare.com, doug.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sheffer.dev (unsigned zone)
⏱️ Timing
Total: 921ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.25.237, 172.67.168.47 |
| AAAA | 2 | 2606:4700:3031::6815:19ed, 2606:4700:3030::ac43:a82f |
| NS | 2 | athena.ns.cloudflare.com, doug.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | athena.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
sheffer.dev points to the four IP addresses 104.21.25.237, 172.67.168.47, 2606:4700:3030::ac43:a82f and 2606:4700:3031::6815:19ed.
olavuzi.top, loop-scout.com, dr-delcheva.com and two other host names share IP numbers with sheffer.dev.
Name Servers
The NS records for sheffer.dev delegate to athena.ns.cloudflare.com and doug.ns.cloudflare.com.
sheffer.dev uses the same name servers as several other domains — among them gunpowdermagazine.com, hongkongmadera.pages.dev, website-systembuero.pages.dev and two more.
At least some of sheffer.dev's name servers are shared with other domains, for example vikash.us, iafso.org, thedefinitelymaybeproject.com and two more.
These name servers tend to be used in conjunction with the name servers chan.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
athena.ns.cloudflare.com maps to 108.162.192.72, 172.64.32.72, 173.245.58.72 and 3 additional IP addresses.
doug.ns.cloudflare.com maps to 108.162.193.159, 172.64.33.159, 173.245.59.159 and 3 additional IP addresses.