🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mathstackersu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:3bea^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b96c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.59.234^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.108^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bailey.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2629^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c229^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bailey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2229^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bailey.ns.cloudflare.com`
		A	108.162.194.41^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	162.159.38.41^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	172.64.34.41^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
NS	`burt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b4f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`burt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`burt.ns.cloudflare.com`
		A	108.162.193.79^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	172.64.33.79^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	173.245.59.79^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.59.234, 172.67.185.108
		IPv6 hints	2606:4700:3034::6815:3bea, 2606:4700:3036::ac43:b96c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com
SOA	`bailey.ns.cloudflare.com`dns@cloudflare.com serial=2415973752

`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=1793819161

Same first word

mathstackersu.com

mathstackersu.org

Previous names

Next names

DNS History

10 records (6 active, 4 former)

●NSbailey.ns.cloudflare.com2026-09-27 → 2026-11-04 · 2 obs

● 2026-09-27 05:47:50
● 2026-11-04 19:09:30

●NSburt.ns.cloudflare.com2026-09-27 → 2026-11-04 · 2 obs

● 2026-09-27 05:47:50
● 2026-11-04 19:09:30

●A104.21.59.2342026-10-12 → 2026-11-04 · 5 obs

○ 2026-09-27 05:47:50
● 2026-10-12 12:12:02
○ 2026-10-25 15:15:52
● 2026-10-31 17:06:08
● 2026-11-04 19:09:30

●A172.67.185.1082026-10-12 → 2026-11-04 · 5 obs

○ 2026-09-27 05:47:50
● 2026-10-12 12:12:02
○ 2026-10-25 15:15:52
● 2026-10-31 17:06:08
● 2026-11-04 19:09:30

○A188.114.96.02026-09-27 → 2026-10-25 · 5 obs

● 2026-09-27 05:47:50
○ 2026-10-12 12:12:02
● 2026-10-25 15:15:52
○ 2026-10-31 17:06:08
○ 2026-11-04 19:09:30

○A188.114.97.02026-09-27 → 2026-10-25 · 5 obs

● 2026-09-27 05:47:50
○ 2026-10-12 12:12:02
● 2026-10-25 15:15:52
○ 2026-10-31 17:06:08
○ 2026-11-04 19:09:30

●A2606:4700:3034::6815:3bea2026-10-12 → 2026-11-04 · 5 obs

○ 2026-09-27 05:47:50
● 2026-10-12 12:12:02
○ 2026-10-25 15:15:52
● 2026-10-31 17:06:08
● 2026-11-04 19:09:30

●A2606:4700:3036::ac43:b96c2026-10-12 → 2026-11-04 · 5 obs

○ 2026-09-27 05:47:50
● 2026-10-12 12:12:02
○ 2026-10-25 15:15:52
● 2026-10-31 17:06:08
● 2026-11-04 19:09:30

○A2a06:98c1:3120::2026-09-27 → 2026-10-25 · 5 obs

● 2026-09-27 05:47:50
○ 2026-10-12 12:12:02
● 2026-10-25 15:15:52
○ 2026-10-31 17:06:08
○ 2026-11-04 19:09:30

○A2a06:98c1:3121::2026-09-27 → 2026-10-25 · 5 obs

● 2026-09-27 05:47:50
○ 2026-10-12 12:12:02
● 2026-10-25 15:15:52
○ 2026-10-31 17:06:08
○ 2026-11-04 19:09:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mathstackersu.com	burt.ns.cloudflare.com, bailey.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.41

NS records: burt.ns.cloudflare.com, bailey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathstackersu.com (unsigned zone)

⏱️ Timing

Total: 1057ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.59.234, 172.67.185.108`
AAAA	2	`2606:4700:3034::6815:3bea, 2606:4700:3036::ac43:b96c`
NS	2	`bailey.ns.cloudflare.com, burt.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bailey.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mathstackersu.com has four IP addresses: 104.21.59.234, 172.67.185.108, 2606:4700:3034::6815:3bea and 2606:4700:3036::ac43:b96c.

Among the host names that share IP numbers with mathstackersu.com are fermentedricesupply.com, wwwmsp.com, ysav67.xyz and two others.

Name Servers

mathstackersu.com is served by two delegated name servers, bailey.ns.cloudflare.com and burt.ns.cloudflare.com.

mathstackersu.com has the same name server delegation as a number of other domains, such as futechsystems.pages.dev, racineold.pages.dev, ohcat.de and two more.

mathstackersu.com has at least partial name server overlap with other domains, such as macquarieauctions.com.au, lunaandsolyoga.com, scrapingdaddy.com and two others.

It is common to find these name servers paired with the name servers nolan.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

bailey.ns.cloudflare.com carries IP addresses 108.162.194.41, 162.159.38.41 and 172.64.34.41, with 3 other addresses beyond those.

burt.ns.cloudflare.com carries IP addresses 108.162.193.79, 172.64.33.79 and 173.245.59.79, with 3 other addresses beyond those.

mathstackersu.com - robtex.com