🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`problemsizeapp.com`

DNSSEC	⚠️ Not signed
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`coleman.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c40^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coleman.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c340^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coleman.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2340^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coleman.ns.cloudflare.com`
		A	108.162.195.64^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coleman.ns.cloudflare.com`
		A	162.159.44.64^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coleman.ns.cloudflare.com`
		A	172.64.35.64^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coleman.ns.cloudflare.com`
NS	`susan.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`susan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`susan.ns.cloudflare.com`
		A	108.162.194.199^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.199^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.199^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`coleman.ns.cloudflare.com`dns@cloudflare.com serial=2415344655

`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=1790927054

Same first word

problemsizeapp.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NScoleman.ns.cloudflare.com2026-09-16 → 2026-10-02 · 2 obs

● 2026-09-16 20:15:46
● 2026-10-02 08:01:18

●NSsusan.ns.cloudflare.com2026-09-16 → 2026-10-02 · 2 obs

● 2026-09-16 20:15:46
● 2026-10-02 08:01:18

●A185.199.108.1532026-09-16 → 2026-10-02 · 2 obs

● 2026-09-16 20:15:46
● 2026-10-02 08:01:18

●A185.199.109.1532026-09-16 → 2026-10-02 · 2 obs

● 2026-09-16 20:15:46
● 2026-10-02 08:01:18

●A185.199.110.1532026-09-16 → 2026-10-02 · 2 obs

● 2026-09-16 20:15:46
● 2026-10-02 08:01:18

●A185.199.111.1532026-09-16 → 2026-10-02 · 2 obs

● 2026-09-16 20:15:46
● 2026-10-02 08:01:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
problemsizeapp.com	susan.ns.cloudflare.com, coleman.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.199

NS records: susan.ns.cloudflare.com, coleman.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for problemsizeapp.com (unsigned zone)

⏱️ Timing

Total: 454ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.110.153, 185.199.109.153...`
NS	2	`coleman.ns.cloudflare.com, susan.ns.cloudflare.com`
SOA	1	`coleman.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (susan.ns.cloudflare.com, susan.ns.cloudflare.com, susan.ns.cloudflare.com...)

Analysis

IP Addresses

problemsizeapp.com directs to four IP numbers, which are 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

Among the host names that share IP numbers with problemsizeapp.com are bioinformatics-core-shared-training.github.io, camilapierce.com, sella.se and two others.

Name Servers

problemsizeapp.com has two authoritative name servers — coleman.ns.cloudflare.com and susan.ns.cloudflare.com.

problemsizeapp.com has the same name server delegation as a number of other domains, such as cb79y04.shop, dulzfinnnc.pages.dev, massimocardamone.com and two more.

There is at least partial name server overlap between problemsizeapp.com and other domains — n7n8pyt.shop, usabridgefinance.com, ultime.me and two more among them.

These name servers regularly appear alongside sofia.ns.cloudflare.com, denver.ns.cloudflare.com, kolton.ns.cloudflare.com and 3 other name servers in NS record sets.

Host names resolving to 6 IP numbers:

coleman.ns.cloudflare.com points to 108.162.195.64, 162.159.44.64, 172.64.35.64 and 3 other IP addresses.

susan.ns.cloudflare.com points to 108.162.194.199, 162.159.38.199, 172.64.34.199 and 3 other IP addresses.

problemsizeapp.com - robtex.com