🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`quantinterviewhelp.com`

DNSSEC	⚠️ Not signed
A	13.33.109.54^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
		PTR	`server-13-33-109-54.bos50.r.cloudfront.net`
A	13.33.109.111^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.115^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.119^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
NS	`ns-927.awsdns-51.net` ⭐
		A	2600:9000:5303:9f00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-927.awsdns-51.net`
		A	205.251.195.159^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-927.awsdns-51.net`
NS	`ns-1043.awsdns-02.org`
		A	2600:9000:5304:1300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1043.awsdns-02.org`
		A	205.251.196.19^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1043.awsdns-02.org`
NS	`ns-133.awsdns-16.com`
		A	2600:9000:5300:8500::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-133.awsdns-16.com`
		A	205.251.192.133^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-133.awsdns-16.com`
NS	`ns-1548.awsdns-01.co.uk`
		A	2600:9000:5306:c00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1548.awsdns-01.co.uk`
		A	205.251.198.12^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1548.awsdns-01.co.uk`
MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
		A	3.211.210.226^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-5-236.compute-1.amazonaws.com`
TXT	`v=spf1 include:amazonses.com ~all`
SOA	`ns-927.awsdns-51.net`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=1794760113

Same first word

quantinterviewhelp.com

Previous names

Next names

DNS History

21 records (9 active, 12 former)

●NSns-1043.awsdns-02.org2026-10-28 → 2026-11-15 · 2 obs

● 2026-10-28 10:46:56
● 2026-11-15 17:17:22

●NSns-133.awsdns-16.com2026-10-28 → 2026-11-15 · 2 obs

● 2026-10-28 10:46:56
● 2026-11-15 17:17:22

●NSns-1548.awsdns-01.co.uk2026-10-28 → 2026-11-15 · 2 obs

● 2026-10-28 10:46:56
● 2026-11-15 17:17:22

●NSns-927.awsdns-51.net2026-10-28 → 2026-11-15 · 2 obs

● 2026-10-28 10:46:56
● 2026-11-15 17:17:22

●MXinbound-smtp.us-east-1.amazonaws.com2026-10-28 → 2026-11-15 · 2 obs

● 2026-10-28 10:46:56
● 2026-11-15 17:17:22

●A13.33.109.1112026-11-07 → 2026-11-15 · 9 obs

○ 2026-11-07 00:07:44
● 2026-11-07 16:30:24
○ 2026-11-07 20:13:58
● 2026-11-09 03:14:10
○ 2026-11-11 00:05:42
● 2026-11-14 21:38:14
○ 2026-11-15 00:02:52
● 2026-11-15 09:35:22
● 2026-11-15 17:17:22

●A13.33.109.1152026-11-07 → 2026-11-15 · 9 obs

●A13.33.109.1192026-11-07 → 2026-11-15 · 9 obs

●A13.33.109.542026-11-07 → 2026-11-15 · 9 obs

○A18.165.9.1022026-11-07 → 2026-11-07 · 4 obs

○ 2026-11-07 16:30:24
● 2026-11-07 20:13:58
○ 2026-11-08 02:08:24
○ 2026-11-15 17:17:22

○A18.165.9.112026-11-07 → 2026-11-07 · 4 obs

○ 2026-11-07 16:30:24
● 2026-11-07 20:13:58
○ 2026-11-08 02:08:24
○ 2026-11-15 17:17:22

○A18.165.9.1122026-11-07 → 2026-11-07 · 4 obs

○ 2026-11-07 16:30:24
● 2026-11-07 20:13:58
○ 2026-11-08 02:08:24
○ 2026-11-15 17:17:22

○A18.165.9.752026-11-07 → 2026-11-07 · 4 obs

○ 2026-11-07 16:30:24
● 2026-11-07 20:13:58
○ 2026-11-08 02:08:24
○ 2026-11-15 17:17:22

○A216.137.52.1042026-10-28 → 2026-11-15 · 13 obs

● 2026-10-28 10:46:56
○ 2026-11-06 03:27:38
● 2026-11-07 00:07:44
○ 2026-11-07 16:30:24
● 2026-11-08 02:08:24
○ 2026-11-09 03:14:10
● 2026-11-11 00:05:42
○ 2026-11-11 15:12:16
● 2026-11-13 00:08:40
○ 2026-11-14 21:38:14
● 2026-11-15 00:02:52
○ 2026-11-15 09:35:22
○ 2026-11-15 17:17:22

○A216.137.52.412026-10-28 → 2026-11-15 · 13 obs

○A216.137.52.432026-10-28 → 2026-11-15 · 13 obs

○A216.137.52.492026-10-28 → 2026-11-15 · 13 obs

○A3.168.132.1012026-11-06 → 2026-11-11 · 6 obs

○ 2026-10-28 10:46:56
● 2026-11-06 03:27:38
○ 2026-11-07 00:07:44
● 2026-11-11 15:12:16
○ 2026-11-13 00:08:40
○ 2026-11-15 17:17:22

○A3.168.132.612026-11-06 → 2026-11-11 · 6 obs

○ 2026-10-28 10:46:56
● 2026-11-06 03:27:38
○ 2026-11-07 00:07:44
● 2026-11-11 15:12:16
○ 2026-11-13 00:08:40
○ 2026-11-15 17:17:22

○A3.168.132.682026-11-06 → 2026-11-11 · 6 obs

○ 2026-10-28 10:46:56
● 2026-11-06 03:27:38
○ 2026-11-07 00:07:44
● 2026-11-11 15:12:16
○ 2026-11-13 00:08:40
○ 2026-11-15 17:17:22

○A3.168.132.962026-11-06 → 2026-11-11 · 6 obs

○ 2026-10-28 10:46:56
● 2026-11-06 03:27:38
○ 2026-11-07 00:07:44
● 2026-11-11 15:12:16
○ 2026-11-13 00:08:40
○ 2026-11-15 17:17:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
quantinterviewhelp.com	ns-133.awsdns-16.com, ns-927.awsdns-51.net, ns-1548.awsdns-01.co.uk, ns-1043.awsdns-02.org	2 records

✅ Authoritative Response

Server:205.251.192.133

NS records: ns-133.awsdns-16.com, ns-927.awsdns-51.net, ns-1548.awsdns-01.co.uk, ns-1043.awsdns-02.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quantinterviewhelp.com (unsigned zone)

⏱️ Timing

Total: 406ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.109.119, 13.33.109.115...`
NS	4	`ns-1043.awsdns-02.org, ns-133.awsdns-16.com...`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
TXT	1	`v=spf1 include:amazonses.com ~all`
SOA	1	`ns-927.awsdns-51.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-133.awsdns-16.com, ns-133.awsdns-16.com)

Analysis

IP Addresses

quantinterviewhelp.com points to the four IP addresses 13.33.109.54, 13.33.109.111, 13.33.109.115 and 13.33.109.119.

Two other host names, along with daienychin.com, xiuxiuejar.app and dko86tgmegpi4.amplifyapp.com, also share IP numbers with quantinterviewhelp.com.

Name Servers

The NS records for quantinterviewhelp.com point to four name servers: ns-133.awsdns-16.com, ns-927.awsdns-51.net, ns-1043.awsdns-02.org and ns-1548.awsdns-01.co.uk.

There is at least partial name server overlap between quantinterviewhelp.com and other domains — freecreditreportsii.com, pwin99.com, buffett-lunch.com and two more among them.

The name servers ns-722.awsdns-26.net, ns-428.awsdns-53.com and ns-1869.awsdns-41.co.uk are often found in combination with these name servers.

All four hostnames — ns-133.awsdns-16.com, ns-927.awsdns-51.net, ns-1043.awsdns-02.org and ns-1548.awsdns-01.co.uk — resolve to two IP numbers apiece: ns-133.awsdns-16.com to 205.251.192.133 and 2600:9000:5300:8500::1; ns-927.awsdns-51.net to 205.251.195.159 and 2600:9000:5303:9f00::1; ns-1043.awsdns-02.org to 205.251.196.19 and 2600:9000:5304:1300::1; ns-1548.awsdns-01.co.uk to 205.251.198.12 and 2600:9000:5306:c00::1.

Mail Servers

The sole mail server for quantinterviewhelp.com is inbound-smtp.us-east-1.amazonaws.com.

Among the domains sharing a mail server setup with quantinterviewhelp.com are mandalanetworks.llc, akgo.uz, wachee.us and two others.

There is at least a partial MX overlap between quantinterviewhelp.com and other domains, including plat-dev.atlassian.net, cutandkeep.shop, melcosoft.games and two others.

inbound-smtp.us-east-1.amazonaws.com directs to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two others.

quantinterviewhelp.com - robtex.com