`technicalcollegestaircase.pro`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3fb1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:ab95^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.177^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.149^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jaxson.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cdd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jaxson.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jaxson.ns.cloudflare.com`
		A	108.162.195.221^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
		A	162.159.44.221^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
		A	172.64.35.221^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
NS	`riya.ns.cloudflare.com`
		A	2606:4700:50::a29f:269b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`riya.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`riya.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`riya.ns.cloudflare.com`
		A	108.162.194.155^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`riya.ns.cloudflare.com`
		A	162.159.38.155^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`riya.ns.cloudflare.com`
		A	172.64.34.155^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`riya.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.63.177, 172.67.171.149
		IPv6 hints	2606:4700:3030::6815:3fb1, 2606:4700:3037::ac43:ab95
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com
SOA	`jaxson.ns.cloudflare.com`dns@cloudflare.com serial=2407444386

`pro`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.pro.afilias-nst.info` ⭐
	NS	`a2.pro.afilias-nst.info`
	NS	`b0.pro.afilias-nst.org`
	NS	`b2.pro.afilias-nst.org`
	NS	`c0.pro.afilias-nst.info`
	NS	`d0.pro.afilias-nst.org`
	SOA	`a0.pro.afilias-nst.info`hostmaster@donuts.email serial=1785901528

⚠️ On DNS blocklist: multi, pro, pro.plus, ultimate

Subdomains

www.technicalcollegestaircase.pro

Same first word

technicalcollegestaircase.pro

DNS History

8 records (6 active, 2 former)

●NSjaxson.ns.cloudflare.com2026-05-05 → 2026-08-05 · 2 obs

● 2026-05-05 15:36:02
● 2026-08-05 04:42:56

●NSriya.ns.cloudflare.com2026-05-05 → 2026-08-05 · 2 obs

● 2026-05-05 15:36:02
● 2026-08-05 04:42:56

●A104.21.63.1772026-05-05 → 2026-08-05 · 2 obs

● 2026-05-05 15:36:02
● 2026-08-05 04:42:56

●A172.67.171.1492026-05-05 → 2026-08-05 · 2 obs

● 2026-05-05 15:36:02
● 2026-08-05 04:42:56

●A2606:4700:3030::6815:3fb12026-07-14 → 2026-08-05 · 3 obs

○ 2026-06-18 11:17:48
● 2026-07-14 17:49:56
● 2026-08-05 04:42:56

○A2606:4700:3032::ac43:ab952026-05-05 → 2026-06-18 · 4 obs

● 2026-05-05 15:36:02
● 2026-06-18 11:17:48
○ 2026-07-14 17:49:56
○ 2026-08-05 04:42:56

○A2606:4700:3036::6815:3fb12026-05-05 → 2026-06-18 · 4 obs

● 2026-05-05 15:36:02
● 2026-06-18 11:17:48
○ 2026-07-14 17:49:56
○ 2026-08-05 04:42:56

●A2606:4700:3037::ac43:ab952026-07-14 → 2026-08-05 · 3 obs

○ 2026-06-18 11:17:48
● 2026-07-14 17:49:56
● 2026-08-05 04:42:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pro	a0.pro.afilias-nst.info, a2.pro.afilias-nst.info, b0.pro.afilias-nst.org, b2.pro.afilias-nst.org...	12 records
technicalcollegestaircase.pro	jaxson.ns.cloudflare.com, riya.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.155

NS records: jaxson.ns.cloudflare.com, riya.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for technicalcollegestaircase.pro (unsigned zone)

⏱️ Timing

Total: 1131ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.63.177, 172.67.171.149`
AAAA	2	`2606:4700:3037::ac43:ab95, 2606:4700:3030::6815:3fb1`
NS	2	`jaxson.ns.cloudflare.com, riya.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jaxson.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (a0.pro.afilias-nst.info, a0.pro.afilias-nst.info, a2.pro.afilias-nst.info...)

Analysis

Hierarchy

The domain www.technicalcollegestaircase.pro falls under the parent technicalcollegestaircase.pro.

IP Addresses

technicalcollegestaircase.pro points to the four IP addresses 104.21.63.177, 172.67.171.149, 2606:4700:3030::6815:3fb1 and 2606:4700:3037::ac43:ab95.

Two other host names, along with pst-umzugsservice.at, lp.game4ad.com and www.uhrenboxshop.de, also share IP numbers with technicalcollegestaircase.pro.

Name Servers

Two name servers handle the delegation for technicalcollegestaircase.pro: jaxson.ns.cloudflare.com and riya.ns.cloudflare.com.

technicalcollegestaircase.pro shares its NS records with other domains, for example osegrapy.pro, cj650.com, recitalavid.site and two others.

At least some of technicalcollegestaircase.pro's name servers are shared with other domains, for example shanxitcm.com, greencardwinners.org, solusdc.live and two more.

It is common for these name servers to be used in conjunction with the name servers tricia.ns.cloudflare.com, melinda.ns.cloudflare.com and grace.ns.cloudflare.com.

DNS names with 6 IP addresses:

jaxson.ns.cloudflare.com resolves to 108.162.195.221, 162.159.44.221 and 172.64.35.221 among others, with 3 other IP addresses in total.

riya.ns.cloudflare.com resolves to 108.162.194.155, 162.159.38.155 and 172.64.34.155 among others, with 3 other IP addresses in total.

technicalcollegestaircase.pro - robtex.com