readonce.dev - dns.ninja
readonce.dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2606:4700:3032::6815:3927Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:bd1cCloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.57.39Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.189.28Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jay.ns.cloudflare.com ⭐ | ||||||
| NS | megan.ns.cloudflare.com | ||||||
| MX | route1.mx.cloudflare.net ⭐ | ||||||
| A | 2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| MX | route2.mx.cloudflare.net(58) | ||||||
| A | 2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| MX | route3.mx.cloudflare.net(62) | ||||||
| A | 2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.57.39, 172.67.189.28 | ||||||
| IPv6 hints | 2606:4700:3032::6815:3927, 2606:4700:3034::ac43:bd1c | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=189, name=cloudflare-ech.com | ||||||
| SOA | jay.ns.cloudflare.comdns@cloudflare.com serial=2417343127 | ||||||
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
readonce.eu |
readonce.xyz |
readonce.org |
readonce.app |
readonce.io |
readonce.com |
readonce.link |
readonce.dev |
readonce.one |
readonce.net |
readonce.email |
DNS History
9 records (9 active, 0 former)
●NSjay.ns.cloudflare.com2026-10-12 → 2026-11-01 · 2 obs
● 2026-10-12 18:21:08
● 2026-11-01 17:41:14
● 2026-11-01 17:41:14
●NSmegan.ns.cloudflare.com2026-10-12 → 2026-11-01 · 2 obs
● 2026-10-12 18:21:08
● 2026-11-01 17:41:14
● 2026-11-01 17:41:14
●MXroute1.mx.cloudflare.net2026-10-20 → 2026-11-01 · 2 obs
● 2026-10-20 04:21:40
● 2026-11-01 17:41:14
● 2026-11-01 17:41:14
●MXroute2.mx.cloudflare.net2026-10-20 → 2026-11-01 · 2 obs
● 2026-10-20 04:21:40
● 2026-11-01 17:41:14
● 2026-11-01 17:41:14
●MXroute3.mx.cloudflare.net2026-10-20 → 2026-11-01 · 2 obs
● 2026-10-20 04:21:40
● 2026-11-01 17:41:14
● 2026-11-01 17:41:14
●A104.21.57.392026-10-20 → 2026-11-01 · 2 obs
● 2026-10-20 04:21:40
● 2026-11-01 17:41:14
● 2026-11-01 17:41:14
●A172.67.189.282026-10-20 → 2026-11-01 · 2 obs
● 2026-10-20 04:21:40
● 2026-11-01 17:41:14
● 2026-11-01 17:41:14
●A2606:4700:3032::6815:39272026-10-20 → 2026-11-01 · 2 obs
● 2026-10-20 04:21:40
● 2026-11-01 17:41:14
● 2026-11-01 17:41:14
●A2606:4700:3034::ac43:bd1c2026-10-20 → 2026-11-01 · 2 obs
● 2026-10-20 04:21:40
● 2026-11-01 17:41:14
● 2026-11-01 17:41:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | - |
| readonce.dev | jay.ns.cloudflare.com, megan.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.197
NS records: jay.ns.cloudflare.com, megan.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1283ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.189.28, 104.21.57.39 |
| AAAA | 2 | 2606:4700:3034::ac43:bd1c, 2606:4700:3032::6815:3927 |
| NS | 2 | jay.ns.cloudflare.com, megan.ns.cloudflare.com |
| MX | 3 | route1.mx.cloudflare.net (pri: 31), route2.mx.cloudflare.net (pri: 58)... |
| TXT | 1 | v=spf1 include:_spf.mx.cloudflare.net ~a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jay.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
readonce.dev resolves to four IP addresses: 104.21.57.39, 172.67.189.28, 2606:4700:3032::6815:3927 and 2606:4700:3034::ac43:bd1c.
Name Servers
readonce.dev is served by two delegated name servers, jay.ns.cloudflare.com and megan.ns.cloudflare.com.
Mail Servers
readonce.dev is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
Hostnames that resolve to 6 IP addresses:
route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.
route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.
route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.