captcha.com - robtex.com
captcha.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.4.221.230🇩🇪 Hetzner | ||||||
| PTR | smtp.captcha.com | ||||||
| NS | hydrogen.ns.hetzner.com ⭐ | ||||||
| A | 2a01:4f8:0:1::add:1098🇩🇪 Hetzner | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| A | 213.133.100.98🇩🇪 Hetzner | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| NS | helium.ns.hetzner.de | ||||||
| A | 2001:67c:192c::add:5🇩🇪 NORIS-NETWORK | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| A | 193.47.99.5🇩🇪 NORIS-NETWORK | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| NS | oxygen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:2992🇩🇪 Hetzner | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| A | 88.198.229.192🇩🇪 Hetzner | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| MX | smtp.captcha.com ⭐ | ||||||
| A | 46.4.221.230🇩🇪 Hetzner | ||||||
| PTR | smtp.captcha.com | ||||||
| TXT | ms-domain-verification=01836b28-3157-4bd6-85a5-662829e47dbd | ||||||
| TXT | v=spf1 mx a:captcha.com ip4:46.4.221.230 include:spf.protection.outlook.com ... | ||||||
| SOA | hydrogen.ns.hetzner.comdns@hetzner.com 2026-02-09 #1 | ||||||
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=1771291435 | ||||||
rank #121517 in the tld
WOT: SAFE (38/100)
📈 Tranco rank: #55,074
Up
Same first word
Similar names
catchap.com |
cathcap.com |
capchat.com |
chatcap.com |
chatcpa.com |
cpachat.net |
pcachat.com |
pcachat.fr |
chatcap.in |
achatpc.fr |
pacchat.com |
pacatch.com |
achatpc.com |
cpachat.com |
pcachat.net |
DNS History
16 records (5 active, 11 former)
●NShelium.ns.hetzner.de2026-02-16 → 2026-02-21 · 3 obs
● 2026-02-16 08:59:14
● 2026-02-21 19:40:56
●NShydrogen.ns.hetzner.com2026-02-16 → 2026-02-21 · 3 obs
● 2026-02-16 08:59:14
● 2026-02-21 19:40:56
○NSns1.misk.com2015-07-18 → 2019-06-17 · 4 obs
● 2019-06-17 07:20:48
○ 2026-02-16 08:59:14
○ 2026-02-21 19:40:56
○NSns2.misk.com2015-07-18 → 2019-06-17 · 4 obs
● 2019-06-17 07:20:48
○ 2026-02-16 08:59:14
○ 2026-02-21 19:40:56
●NSoxygen.ns.hetzner.com2026-02-16 → 2026-02-21 · 3 obs
● 2026-02-16 08:59:14
● 2026-02-21 19:40:56
○MXalt1.aspmx.l.google.com2015-07-18 → 2019-06-17 · 4 obs
● 2019-06-17 07:20:48
○ 2026-02-16 08:59:14
○ 2026-02-21 19:40:56
○MXalt2.aspmx.l.google.com2015-07-18 → 2019-06-17 · 4 obs
● 2019-06-17 07:20:48
○ 2026-02-16 08:59:14
○ 2026-02-21 19:40:56
○MXaspmx.l.google.com2015-07-18 → 2019-06-17 · 4 obs
● 2019-06-17 07:20:48
○ 2026-02-16 08:59:14
○ 2026-02-21 19:40:56
○MXaspmx2.googlemail.com2015-07-18 → 2019-06-17 · 4 obs
● 2019-06-17 07:20:48
○ 2026-02-16 08:59:14
○ 2026-02-21 19:40:56
○MXaspmx3.googlemail.com2015-07-18 → 2019-06-17 · 4 obs
● 2019-06-17 07:20:48
○ 2026-02-16 08:59:14
○ 2026-02-21 19:40:56
○MXaspmx4.googlemail.com2015-07-18 → 2019-06-17 · 4 obs
● 2019-06-17 07:20:48
○ 2026-02-16 08:59:14
○ 2026-02-21 19:40:56
○MXaspmx5.googlemail.com2015-07-18 → 2019-06-17 · 4 obs
● 2019-06-17 07:20:48
○ 2026-02-16 08:59:14
○ 2026-02-21 19:40:56
●MXsmtp.captcha.com2026-02-16 → 2026-02-21 · 3 obs
● 2026-02-16 08:59:14
● 2026-02-21 19:40:56
○A178.63.240.2202019-06-17 → 2019-06-17 · 4 obs
● 2019-06-17 07:20:48
○ 2026-02-16 08:59:14
○ 2026-02-21 19:40:56
○A188.40.113.2352015-07-18 → 2018-01-11 · 4 obs
● 2018-01-11 19:34:22
○ 2019-06-17 07:20:48
○ 2026-02-21 19:40:56
●A46.4.221.2302026-02-16 → 2026-02-21 · 3 obs
● 2026-02-16 08:59:14
● 2026-02-21 19:40:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net... | - |
| captcha.com | helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com | 2 records |
✅ Authoritative Response
Server: 88.198.229.192
NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for captcha.com (unsigned zone)
⏱️ Timing
Total: 768ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.4.221.230 |
| NS | 3 | oxygen.ns.hetzner.com, helium.ns.hetzner.de... |
| MX | 1 | smtp.captcha.com (pri: 10) |
| TXT | 2 | v=spf1 mx a:captcha.com ip4:46.4.221.230, ms-domain-verification=01836b28-3157-4bd |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com)
AI analysis
captcha.com has children www.captcha.com, mail.captcha.com, remote.captcha.com and smtp.captcha.com.
captcha.com maps to IP address 46.4.221.230.
Other host names such as captcha.biz, smtp.captcha.com, www.captcha.com and www.captcha.biz share IP numbers with captcha.com.
captcha.com is delegated to name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
captcha.com at least partially shares name servers with other domains such as belweb.de, altenburg.me, ikomm.org, mischback.de and nziska.org.
these name servers are commonly used with the name servers ns1.first-ns.de.
Host names with two IP numbers:
hydrogen.ns.hetzner.com points to 2a01:4f8:0:1::add:1098 and 213.133.100.98.
oxygen.ns.hetzner.com points to 2a01:4f8:0:1::add:2992 and 88.198.229.192.
helium.ns.hetzner.de points to 2001:67c:192c::add:5 and 193.47.99.5.
captcha.com is handled by a single mail server, smtp.captcha.com.
The mail server setup for captcha.com matches that of other domains, for instance lanapsoft.com.
smtp.captcha.com points to one IP number: 46.4.221.230.