`user-authentication.com`

DNSSEC	⚠️ Not signed
A	13.36.192.222^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
		PTR	`ec2-13-36-192-222.eu-west-3.compute.amazonaws.com`
A	15.224.40.171^{🇺🇸 Amazon15.224.0.0/17 EC2 Prefix}
A	35.181.193.184^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
NS	`ns-1919.awsdns-47.co.uk` ⭐
		A	2600:9000:5307:7f00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1919.awsdns-47.co.uk`
		A	205.251.199.127^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1919.awsdns-47.co.uk`
NS	`ns-1429.awsdns-50.org`
		A	2600:9000:5305:9500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1429.awsdns-50.org`
		A	205.251.197.149^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1429.awsdns-50.org`
NS	`ns-334.awsdns-41.com`
		A	2600:9000:5301:4e00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-334.awsdns-41.com`
		A	205.251.193.78^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-334.awsdns-41.com`
NS	`ns-709.awsdns-24.net`
		A	2600:9000:5302:c500::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-709.awsdns-24.net`
		A	205.251.194.197^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-709.awsdns-24.net`
TXT	`v=spf1 ip4:185.103.37.234 ip4:185.103.37.235 include:zepo.one include:amazons...`
SOA	`ns-1919.awsdns-47.co.uk`awsdns-hostmaster@amazon.com serial=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.net`nstld@verisign-grs.com serial=1774427447

Same first word

user-authentication.com

DNS History

17 records (7 active, 10 former)

●NSns-1429.awsdns-50.org2026-02-20 → 2026-03-25 · 3 obs

○ 2020-02-15 00:44:54
● 2026-02-20 09:13:04
● 2026-03-25 08:47:48

●NSns-1919.awsdns-47.co.uk2026-02-20 → 2026-03-25 · 3 obs

○ 2020-02-15 00:44:54
● 2026-02-20 09:13:04
● 2026-03-25 08:47:48

●NSns-334.awsdns-41.com2026-02-20 → 2026-03-25 · 3 obs

○ 2020-02-15 00:44:54
● 2026-02-20 09:13:04
● 2026-03-25 08:47:48

●NSns-709.awsdns-24.net2026-02-20 → 2026-03-25 · 3 obs

○ 2020-02-15 00:44:54
● 2026-02-20 09:13:04
● 2026-03-25 08:47:48

○NSpdns1.registrar-servers.com2017-02-20 → 2017-02-20 · 3 obs

● 2017-02-20 13:47:30
○ 2020-02-15 00:44:54
○ 2026-03-25 08:47:48

○NSpdns2.registrar-servers.com2017-02-20 → 2017-02-20 · 3 obs

● 2017-02-20 13:47:30
○ 2020-02-15 00:44:54
○ 2026-03-25 08:47:48

●A13.36.192.2222026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-22 02:22:54
● 2026-03-25 08:47:48

○A13.36.214.1142026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-20 09:13:04
● 2026-02-26 06:34:28
○ 2026-03-22 02:22:54
○ 2026-03-25 08:47:48

○A13.37.100.2122026-02-20 → 2026-02-20 · 4 obs

○ 2020-02-15 00:44:54
● 2026-02-20 09:13:04
○ 2026-02-26 06:34:28
○ 2026-03-25 08:47:48

○A13.38.221.1692026-03-22 → 2026-03-22 · 3 obs

○ 2026-02-26 06:34:28
● 2026-03-22 02:22:54
○ 2026-03-25 08:47:48

○A13.39.142.2162026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-20 09:13:04
● 2026-02-26 06:34:28
○ 2026-03-22 02:22:54
○ 2026-03-25 08:47:48

●A15.224.40.1712026-03-22 → 2026-03-25 · 3 obs

○ 2026-02-26 06:34:28
● 2026-03-22 02:22:54
● 2026-03-25 08:47:48

○A15.236.152.2532026-02-20 → 2026-02-20 · 4 obs

○ 2020-02-15 00:44:54
● 2026-02-20 09:13:04
○ 2026-02-26 06:34:28
○ 2026-03-25 08:47:48

○A15.236.6.1262026-02-20 → 2026-02-20 · 4 obs

○ 2020-02-15 00:44:54
● 2026-02-20 09:13:04
○ 2026-02-26 06:34:28
○ 2026-03-25 08:47:48

○A162.213.255.92017-02-20 → 2017-02-20 · 3 obs

● 2017-02-20 13:47:30
○ 2020-02-15 00:44:54
○ 2026-03-25 08:47:48

●A35.181.193.1842026-03-22 → 2026-03-25 · 3 obs

○ 2026-02-26 06:34:28
● 2026-03-22 02:22:54
● 2026-03-25 08:47:48

○A35.181.200.02026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-20 09:13:04
● 2026-02-26 06:34:28
○ 2026-03-22 02:22:54
○ 2026-03-25 08:47:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
user-authentication.com	ns-709.awsdns-24.net, ns-334.awsdns-41.com, ns-1919.awsdns-47.co.uk, ns-1429.awsdns-50.org	1 record

✅ Authoritative Response

Server:205.251.194.197

NS records: ns-709.awsdns-24.net, ns-334.awsdns-41.com, ns-1919.awsdns-47.co.uk, ns-1429.awsdns-50.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for user-authentication.com (unsigned zone)

⏱️ Timing

Total: 374ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`13.36.192.222, 15.224.40.171...`
NS	4	`ns-1429.awsdns-50.org, ns-1919.awsdns-47.co.uk...`
TXT	1	`v=spf1 ip4:185.103.37.234 ip4:185.103.37`
SOA	1	`ns-1919.awsdns-47.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-334.awsdns-41.com)

Analysis

IP Addresses

user-authentication.com points to three IPs: 13.36.192.222, 15.224.40.171 and 35.181.193.184.

Other host names, for instance access-confirmation.com, support-email.info and helpmail.info share IP numbers with user-authentication.com.

Name Servers

user-authentication.com is delegated to four name servers: ns-334.awsdns-41.com, ns-709.awsdns-24.net, ns-1429.awsdns-50.org and ns-1919.awsdns-47.co.uk.

user-authentication.com at least partially shares name servers with other domains, for instance cpenetwork.us, acaciawealth.biz, veocloud.be, dietconsulting.co.kr and nakanohito.jp.

These name servers are commonly used with ns-944.awsdns-54.net, ns-1955.awsdns-52.co.uk, ns-1230.awsdns-25.org, ns1.americaneagle.com and ns2.americaneagle.com.

Host names with two IP numbers:

ns-334.awsdns-41.com points to 2600:9000:5301:4e00::1 and 205.251.193.78; ns-709.awsdns-24.net points to 2600:9000:5302:c500::1 and 205.251.194.197; ns-1429.awsdns-50.org points to 2600:9000:5305:9500::1 and 205.251.197.149; ns-1919.awsdns-47.co.uk points to 2600:9000:5307:7f00::1 and 205.251.199.127.

user-authentication.com - robtex.com