`captcha.at`

DNSSEC	⚠️ Not signed
A	18.164.68.35^{🇺🇸 Amazon18.164.64.0/21}
		PTR	`server-18-164-68-35.lhr50.r.cloudfront.net`
A	18.164.68.70^{🇺🇸 Amazon18.164.64.0/21}
A	18.164.68.101^{🇺🇸 Amazon18.164.64.0/21}
A	18.164.68.120^{🇺🇸 Amazon18.164.64.0/21}
NS	`ns-1870.awsdns-41.co.uk` ⭐
		A	2600:9000:5307:4e00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1870.awsdns-41.co.uk`
		A	205.251.199.78^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1870.awsdns-41.co.uk`
NS	`ns-1452.awsdns-53.org`
		A	2600:9000:5305:ac00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1452.awsdns-53.org`
		A	205.251.197.172^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1452.awsdns-53.org`
NS	`ns-408.awsdns-51.com`
		A	2600:9000:5301:9800::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-408.awsdns-51.com`
		A	205.251.193.152^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-408.awsdns-51.com`
NS	`ns-563.awsdns-06.net`
		A	2600:9000:5302:3300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-563.awsdns-06.net`
		A	205.251.194.51^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-563.awsdns-06.net`
MX	`captcha-at.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
TXT	`MS=ms14964192`
TXT	`google-site-verification=0DJd7XpGiu6L0z_BrpaAuWEp6AoiBGjJPTI_-OPUJYc`
TXT	`v=spf1 ip4:156.58.0.0/16 ip4:195.2.200.132 ip4:195.2.200.153 include:sendgrid...`
SOA	`ns-1870.awsdns-41.co.uk`awsdns-hostmaster@amazon.com serial=1

`at`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.at` ⭐
	NS	`d.ns.at` 🔒
	NS	`j.ns.at` 🔒
	NS	`n.ns.at` 🔒
	NS	`ns1.univie.ac.at`
	NS	`ns2.univie.ac.at`
	NS	`r.ns.at` 🔒
	NS	`u.ns.at` 🔒
	SOA	`dns.nic.at`domain-admin@univie.ac.at serial=1771290002

📈 Tranco rank: #506,817

Subdomains

at.captcha.at

www.captcha.at

w19.captcha.at

Same first word

captcha.com.co

captcha.today

captcha.webredirect.org

captcha.la

captcha.li

captcha.fr

captcha.work

captcha.cn

captcha.im

captcha.bar

captcha.cz

captcha.ca

captcha.me

captcha.fun

captcha.tv

captcha.com

captcha.site

captcha.edgecompute.app

captcha.us

captcha.es

captcha.guru

captcha.ws

captcha.wtf

captcha.eu

captcha.com.vn

captcha.help

captcha.pics

captcha.vn

captcha.nl

captcha.jp

captcha.plus

captcha.cool

captcha.money

captcha.cc

captcha.club

captcha.pro

captcha.net

captcha.se

captcha.asia

captcha.one

captcha.win

captcha.it

captcha.in

captcha.ro

captcha.co

captcha.bot

captcha.cl

captcha.ru

captcha.hu

captcha.biz

captcha.at

captcha.org

captcha.run

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

32 records (9 active, 23 former)

○NSdns1.realtime.at2015-08-09 → 2015-12-10 · 4 obs

● 2015-08-09 14:59:06
● 2015-12-10 10:34:42
○ 2016-07-14 08:28:26
○ 2026-03-13 13:08:16

○NSdns2.realtime.at2015-08-09 → 2015-12-10 · 4 obs

● 2015-08-09 14:59:06
● 2015-12-10 10:34:42
○ 2016-07-14 08:28:26
○ 2026-03-13 13:08:16

●NSns-1452.awsdns-53.org2026-02-14 → 2026-03-13 · 3 obs

○ 2017-04-06 16:52:04
● 2026-02-14 20:29:52
● 2026-03-13 13:08:16

●NSns-1870.awsdns-41.co.uk2026-02-14 → 2026-03-13 · 3 obs

○ 2017-04-06 16:52:04
● 2026-02-14 20:29:52
● 2026-03-13 13:08:16

●NSns-408.awsdns-51.com2026-02-14 → 2026-03-13 · 3 obs

○ 2017-04-06 16:52:04
● 2026-02-14 20:29:52
● 2026-03-13 13:08:16

●NSns-563.awsdns-06.net2026-02-14 → 2026-03-13 · 3 obs

○ 2017-04-06 16:52:04
● 2026-02-14 20:29:52
● 2026-03-13 13:08:16

○NSns1.world4you.at2016-07-14 → 2017-04-06 · 5 obs

○ 2015-12-10 10:34:42
● 2016-07-14 08:28:26
● 2017-04-06 16:52:04
○ 2026-02-14 20:29:52
○ 2026-03-13 13:08:16

○NSns2.world4you.at2016-07-14 → 2017-04-06 · 5 obs

○ 2015-12-10 10:34:42
● 2016-07-14 08:28:26
● 2017-04-06 16:52:04
○ 2026-02-14 20:29:52
○ 2026-03-13 13:08:16

●MXcaptcha-at.mail.protection.outlook.com2026-02-14 → 2026-03-13 · 3 obs

○ 2017-04-06 16:52:04
● 2026-02-14 20:29:52
● 2026-03-13 13:08:16

○MXmail.captcha.at2015-08-09 → 2017-04-06 · 4 obs

● 2015-08-09 14:59:06
● 2017-04-06 16:52:04
○ 2026-02-14 20:29:52
○ 2026-03-13 13:08:16

○A108.138.128.1042026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-06 14:58:20
● 2026-03-07 23:36:04
○ 2026-03-08 12:15:26
○ 2026-03-13 13:08:16

○A108.138.128.1062026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-06 14:58:20
● 2026-03-07 23:36:04
○ 2026-03-08 12:15:26
○ 2026-03-13 13:08:16

○A108.138.128.1252026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-06 14:58:20
● 2026-03-07 23:36:04
○ 2026-03-08 12:15:26
○ 2026-03-13 13:08:16

○A108.138.128.212026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-06 14:58:20
● 2026-03-07 23:36:04
○ 2026-03-08 12:15:26
○ 2026-03-13 13:08:16

●A18.164.68.1012026-03-12 → 2026-03-13 · 3 obs

○ 2026-03-09 03:07:24
● 2026-03-12 04:31:34
● 2026-03-13 13:08:16

●A18.164.68.1202026-03-12 → 2026-03-13 · 3 obs

○ 2026-03-09 03:07:24
● 2026-03-12 04:31:34
● 2026-03-13 13:08:16

●A18.164.68.352026-03-12 → 2026-03-13 · 3 obs

○ 2026-03-09 03:07:24
● 2026-03-12 04:31:34
● 2026-03-13 13:08:16

●A18.164.68.702026-03-12 → 2026-03-13 · 3 obs

○ 2026-03-09 03:07:24
● 2026-03-12 04:31:34
● 2026-03-13 13:08:16

○A18.245.143.1042026-02-16 → 2026-03-09 · 18 obs

○ 2026-02-15 22:48:44
● 2026-02-16 08:28:16
○ 2026-02-16 21:47:06
○ 2026-02-17 04:25:38
● 2026-02-17 12:11:40
○ 2026-02-18 15:48:10
○ 2026-02-18 18:17:18
● 2026-02-18 22:58:10
● 2026-02-19 11:13:48
○ 2026-02-20 09:15:32
○ 2026-02-25 05:16:28
● 2026-02-25 21:34:40
● 2026-03-01 05:55:36
○ 2026-03-04 12:26:20
○ 2026-03-08 12:15:26
● 2026-03-09 03:07:24
○ 2026-03-12 04:31:34
○ 2026-03-13 13:08:16

○A18.245.143.1142026-02-16 → 2026-03-09 · 18 obs

○A18.245.143.1232026-02-16 → 2026-03-09 · 18 obs

○A18.245.143.292026-02-16 → 2026-03-09 · 18 obs

○A185.53.177.202015-08-09 → 2015-12-10 · 4 obs

● 2015-08-09 14:59:06
● 2015-12-10 10:34:42
○ 2016-07-14 08:28:26
○ 2026-03-13 13:08:16

○A3.167.88.142026-02-14 → 2026-03-06 · 18 obs

○ 2017-04-06 16:52:04
● 2026-02-14 20:29:52
○ 2026-02-15 22:48:44
○ 2026-02-16 08:28:16
● 2026-02-16 21:47:06
● 2026-02-17 04:25:38
○ 2026-02-17 12:11:40
● 2026-02-18 15:48:10
○ 2026-02-18 18:17:18
○ 2026-02-19 11:13:48
● 2026-02-20 09:15:32
● 2026-02-21 13:58:20
○ 2026-02-24 15:36:50
○ 2026-03-01 05:55:36
● 2026-03-04 12:26:20
● 2026-03-06 14:58:20
○ 2026-03-07 23:36:04
○ 2026-03-13 13:08:16

○A3.167.88.62026-02-14 → 2026-03-06 · 18 obs

○A3.167.88.652026-02-14 → 2026-03-06 · 18 obs

○A3.167.88.892026-02-14 → 2026-03-06 · 18 obs

○A3.168.132.1212026-02-15 → 2026-03-08 · 14 obs

○ 2026-02-14 20:29:52
● 2026-02-15 22:48:44
○ 2026-02-16 08:28:16
○ 2026-02-18 15:48:10
● 2026-02-18 18:17:18
○ 2026-02-18 22:58:10
○ 2026-02-21 13:58:20
● 2026-02-24 15:36:50
● 2026-02-25 05:16:28
○ 2026-02-25 21:34:40
○ 2026-03-07 23:36:04
● 2026-03-08 12:15:26
○ 2026-03-09 03:07:24
○ 2026-03-13 13:08:16

○A3.168.132.562026-02-15 → 2026-03-08 · 14 obs

○A3.168.132.652026-02-15 → 2026-03-08 · 14 obs

○A3.168.132.952026-02-15 → 2026-03-08 · 14 obs

○A81.19.154.982016-07-14 → 2017-04-06 · 5 obs

○ 2015-12-10 10:34:42
● 2016-07-14 08:28:26
● 2017-04-06 16:52:04
○ 2026-02-14 20:29:52
○ 2026-03-13 13:08:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	u.ns.at, ns2.univie.ac.at, n.ns.at, d.ns.at...	14 records
captcha.at	ns-408.awsdns-51.com, ns-563.awsdns-06.net, ns-1452.awsdns-53.org, ns-1870.awsdns-41.co.uk	-

✅ Authoritative Response

Server: 205.251.193.152

NS records: ns-408.awsdns-51.com, ns-563.awsdns-06.net, ns-1452.awsdns-53.org, ns-1870.awsdns-41.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for captcha.at (unsigned zone)

⏱️ Timing

Total: 725ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.61.103, 3.171.61.55...`
NS	4	`ns-1452.awsdns-53.org, ns-1870.awsdns-41.co.uk...`
MX	1	`captcha-at.mail.protection.outlook.com (`
TXT	3	`MS=ms14964192, google-site-verification=0DJd7XpGiu6L0z_...`
SOA	1	`ns-1870.awsdns-41.co.uk awsdns-hostmaste`