catchletter.com - dns.ninja
catchletter.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:5ec9Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:8bbbCloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.94.201Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.139.187Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | melissa.ns.cloudflare.com ⭐ | ||||||
| NS | michael.ns.cloudflare.com | ||||||
| MX | mail.catchletter.com ⭐ | ||||||
| TXT | v=spf1 ip4:136.0.106.0/24 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.94.201, 172.67.139.187 | ||||||
| IPv6 hints | 2606:4700:3030::6815:5ec9, 2606:4700:3036::ac43:8bbb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com | ||||||
| SOA | melissa.ns.cloudflare.comdns@cloudflare.com serial=2406701342 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784226067 | ||||||
Subdomains
help.catchletter.com |
Same first word
catchletter.com |
DNS History
15 records (7 active, 8 former)
●NSmelissa.ns.cloudflare.com2026-07-16 → 2026-07-16 · 3 obs
○ 2018-07-10 21:21:06
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
●NSmichael.ns.cloudflare.com2026-07-16 → 2026-07-16 · 3 obs
○ 2018-07-10 21:21:06
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
○NSns1.dnsowl.com2018-07-10 → 2018-07-10 · 3 obs
● 2018-07-10 21:21:06
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○NSns2.dnsowl.com2018-07-10 → 2018-07-10 · 3 obs
● 2018-07-10 21:21:06
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○NSns3.dnsowl.com2018-07-10 → 2018-07-10 · 3 obs
● 2018-07-10 21:21:06
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
●MXmail.catchletter.com2026-07-16 → 2026-07-16 · 2 obs
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
● 2026-07-16 18:30:16
○MXmail.eye-mail.net2026-07-16 → 2026-07-16 · 2 obs
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○ 2026-07-16 18:30:16
●A104.21.94.2012026-07-16 → 2026-07-16 · 3 obs
○ 2018-07-10 21:21:06
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
○A107.161.23.2042018-07-10 → 2018-07-10 · 3 obs
● 2018-07-10 21:21:06
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
●A172.67.139.1872026-07-16 → 2026-07-16 · 3 obs
○ 2018-07-10 21:21:06
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
○A192.161.187.2002018-07-10 → 2018-07-10 · 3 obs
● 2018-07-10 21:21:06
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○A209.141.38.712018-07-10 → 2018-07-10 · 3 obs
● 2018-07-10 21:21:06
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
●A2606:4700:3030::6815:5ec92026-07-16 → 2026-07-16 · 3 obs
○ 2018-07-10 21:21:06
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
●A2606:4700:3036::ac43:8bbb2026-07-16 → 2026-07-16 · 3 obs
○ 2018-07-10 21:21:06
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
● 2026-07-16 18:30:14
● 2026-07-16 18:30:16
○A91.195.240.122026-07-16 → 2026-07-16 · 2 obs
○ 2026-07-16 18:30:14
○ 2026-07-16 18:30:16
○ 2026-07-16 18:30:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net... | - |
| catchletter.com | melissa.ns.cloudflare.com, michael.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.199
NS records: melissa.ns.cloudflare.com, michael.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for catchletter.com (unsigned zone)
⏱️ Timing
Total: 665ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.94.201, 172.67.139.187 |
| AAAA | 2 | 2606:4700:3036::ac43:8bbb, 2606:4700:3030::6815:5ec9 |
| NS | 2 | melissa.ns.cloudflare.com, michael.ns.cloudflare.com |
| MX | 1 | mail.catchletter.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:136.0.106.0/24 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | melissa.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (melissa.ns.cloudflare.com, melissa.ns.cloudflare.com, melissa.ns.cloudflare.com...)
Analysis
Hierarchy
catchletter.com is the parent zone for help.catchletter.com.
IP Addresses
catchletter.com has four IP addresses: 104.21.94.201, 172.67.139.187, 2606:4700:3030::6815:5ec9 and 2606:4700:3036::ac43:8bbb.
Name Servers
DNS delegation for catchletter.com points to two name servers: melissa.ns.cloudflare.com and michael.ns.cloudflare.com.
Mail Servers
catchletter.com routes its mail through a single mail server, mail.catchletter.com.