profstaff.eu - robtex.com
profstaff.eu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:91cb🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:218c🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.33.140Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.145.203🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | cass.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a51🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c051🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2051🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| A | 108.162.192.81🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| A | 172.64.32.81🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| A | 173.245.58.81🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cass.ns.cloudflare.com | ||||||
| NS | zac.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cb2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3b2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23b2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| A | 108.162.195.178🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| A | 162.159.44.178Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| A | 172.64.35.178🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| TXT | 7230468fb60603edd2aed87dd8c24eaf85891ed6 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.33.140, 172.67.145.203 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:91cb, 2606:4700:3036::6815:218c | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com | ||||||
| SOA | cass.ns.cloudflare.comdns@cloudflare.com serial=2410253711 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1126728607 | ||||||
Same first word
profstaff.eu |
DNS History
10 records (6 active, 4 former)
●NScass.ns.cloudflare.com2026-07-28 → 2026-08-03 · 2 obs
● 2026-08-03 17:04:04
●NSzac.ns.cloudflare.com2026-07-28 → 2026-08-03 · 2 obs
● 2026-08-03 17:04:04
●A104.21.33.1402026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 17:04:04
●A172.67.145.2032026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 17:04:04
○A188.114.96.02026-07-28 → 2026-07-28 · 2 obs
○ 2026-08-03 17:04:04
○A188.114.97.02026-07-28 → 2026-07-28 · 2 obs
○ 2026-08-03 17:04:04
●A2606:4700:3034::ac43:91cb2026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 17:04:04
●A2606:4700:3036::6815:218c2026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 17:04:04
○A2a06:98c1:3120::2026-07-28 → 2026-07-28 · 2 obs
○ 2026-08-03 17:04:04
○A2a06:98c1:3121::2026-07-28 → 2026-07-28 · 2 obs
○ 2026-08-03 17:04:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | si.dns.eu, x.dns.eu, be.dns.eu, y.dns.eu... | - |
| profstaff.eu | cass.ns.cloudflare.com, zac.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.81
NS records: cass.ns.cloudflare.com, zac.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for profstaff.eu (unsigned zone)
⏱️ Timing
Total: 625ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.145.203, 104.21.33.140 |
| AAAA | 2 | 2606:4700:3036::6815:218c, 2606:4700:3034::ac43:91cb |
| NS | 2 | cass.ns.cloudflare.com, zac.ns.cloudflare.com |
| TXT | 1 | 7230468fb60603edd2aed87dd8c24eaf85891ed6 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cass.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
profstaff.eu directs to four IP numbers, which are 104.21.33.140, 172.67.145.203, 2606:4700:3034::ac43:91cb and 2606:4700:3036::6815:218c.
myoptics.at, babyseven.cn, lula-bet.co.za and two other host names share IP numbers with profstaff.eu.
Name Servers
DNS delegation for profstaff.eu points to two name servers: cass.ns.cloudflare.com and zac.ns.cloudflare.com.
profstaff.eu uses the same name servers as several other domains — among them wisecoach.pl, fundacja-fosforos.pl, 1mmbusinesspark.eu and two more.
There is at least partial name server overlap between profstaff.eu and other domains — tcf.org, hmh.expert, topmag.md and two more among them.
These name servers are routinely deployed together with the name servers aragorn.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
cass.ns.cloudflare.com has IP addresses 108.162.192.81, 172.64.32.81 and 173.245.58.81, plus 3 other.
zac.ns.cloudflare.com has IP addresses 108.162.195.178, 162.159.44.178 and 172.64.35.178, plus 3 other.