firstbyte.dev - dns.ninja
firstbyte.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:827b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:34f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.3.79Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.130.123🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | asa.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3af6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| A | 108.162.192.246🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| A | 172.64.32.246🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| A | 173.245.58.246🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | asa.ns.cloudflare.com | ||||||
| NS | merlin.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bcd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1cd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21cd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 108.162.193.205🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 172.64.33.205🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 173.245.59.205🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| MX | mail.firstbyte.dev ⭐ | ||||||
| TXT | v=spf1 mx ra=postmaster -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.3.79, 172.67.130.123 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:827b, 2606:4700:3035::6815:34f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com | ||||||
| SOA | asa.ns.cloudflare.comdns@cloudflare.com serial=2407141329 | ||||||
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 | ||||||
Subdomains
Same first word
firstbyte.fi |
firstbyte.org |
firstbyte.ru |
firstbyte.co |
firstbyte.app |
firstbyte.pl |
firstbyte.com |
firstbyte.biz |
firstbyte.dev |
firstbyte.shop |
firstbyte.uk |
firstbyte.co.uk |
firstbyte.net |
firstbyte.pro |
firstbyte.eu |
Similar names
DNS History
7 records (7 active, 0 former)
●NSasa.ns.cloudflare.com2026-02-22 → 2026-06-18 · 2 obs
● 2026-06-18 23:47:20
●NSmerlin.ns.cloudflare.com2026-02-22 → 2026-06-18 · 2 obs
● 2026-06-18 23:47:20
●MXmail.firstbyte.dev2026-02-22 → 2026-06-18 · 2 obs
● 2026-06-18 23:47:20
●A104.21.3.792026-02-22 → 2026-06-18 · 2 obs
● 2026-06-18 23:47:20
●A172.67.130.1232026-02-22 → 2026-06-18 · 2 obs
● 2026-06-18 23:47:20
●A2606:4700:3030::ac43:827b2026-02-22 → 2026-06-18 · 2 obs
● 2026-06-18 23:47:20
●A2606:4700:3035::6815:34f2026-02-22 → 2026-06-18 · 2 obs
● 2026-06-18 23:47:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | 10 records |
| firstbyte.dev | asa.ns.cloudflare.com, merlin.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.205
NS records: asa.ns.cloudflare.com, merlin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstbyte.dev (unsigned zone)
⏱️ Timing
Total: 452ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.130.123, 104.21.3.79 |
| AAAA | 2 | 2606:4700:3030::ac43:827b, 2606:4700:3035::6815:34f |
| NS | 2 | asa.ns.cloudflare.com, merlin.ns.cloudflare.com |
| MX | 1 | mail.firstbyte.dev (pri: 10) |
| TXT | 1 | v=spf1 mx ra=postmaster -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | asa.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
Hierarchy
mail.firstbyte.dev and mail_.firstbyte.dev are both subdomains of firstbyte.dev.
IP Addresses
firstbyte.dev directs to four IP numbers, which are 104.21.3.79, 172.67.130.123, 2606:4700:3030::ac43:827b and 2606:4700:3035::6815:34f.
politiquedevie.com, vantagespecialty.com, yimidwood.org and two other host names share IP numbers with firstbyte.dev.
Name Servers
Two name servers handle the delegation for firstbyte.dev: asa.ns.cloudflare.com and merlin.ns.cloudflare.com.
firstbyte.dev uses the same name servers as several other domains — among them fellowssphere.com, booking365.work, tienthientra.vn and two more.
The name servers of firstbyte.dev overlap at least partially with those of other domains — among them mashbooths.com, bsovn.com, strawsticksandbricks.com and two more.
These name servers commonly appear in combination with the name servers chan.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
asa.ns.cloudflare.com resolves to 108.162.192.246, 172.64.32.246 and 173.245.58.246 among others, with 3 other IP addresses in total.
merlin.ns.cloudflare.com resolves to 108.162.193.205, 172.64.33.205 and 173.245.59.205 among others, with 3 other IP addresses in total.
Mail Servers
Mail for firstbyte.dev is handled by a single mail server, mail.firstbyte.dev.
The MX records for firstbyte.dev match those of other domains — including alexdelorenzo.dev and mail.firstbyte.dev.