3krn.at - robtex.com
3krn.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:b538🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:284b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.40.75Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.181.56🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dean.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b99🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dean.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c199🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dean.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2199🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dean.ns.cloudflare.com | ||||||
| A | 108.162.193.153🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dean.ns.cloudflare.com | ||||||
| A | 172.64.33.153🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dean.ns.cloudflare.com | ||||||
| A | 173.245.59.153🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dean.ns.cloudflare.com | ||||||
| NS | liz.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3abd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20bd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 108.162.192.189🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 172.64.32.189🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 173.245.58.189🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.40.75, 172.67.181.56 | ||||||
| IPv6 | 2606:4700:3033::ac43:b538, 2606:4700:3035::6815:284b | ||||||
| SOA | dean.ns.cloudflare.comdns@cloudflare.com serial=2396844575 | ||||||
at
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.at ⭐ | ||||||
| NS | d.ns.at 🔒 | ||||||
| NS | j.ns.at 🔒 | ||||||
| NS | n.ns.at 🔒 | ||||||
| NS | ns1.univie.ac.at | ||||||
| NS | ns2.univie.ac.at | ||||||
| NS | r.ns.at 🔒 | ||||||
| NS | u.ns.at 🔒 | ||||||
| SOA | dns.nic.atdomain-admin@univie.ac.at serial=1771290002 | ||||||
Similar names
DNS History
6 records (6 active, 0 former)
●NSdean.ns.cloudflare.com2026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 04:41:16
●NSliz.ns.cloudflare.com2026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 04:41:16
●A104.21.40.752026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 04:41:16
●A172.67.181.562026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 04:41:16
●A2606:4700:3033::ac43:b5382026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 04:41:16
●A2606:4700:3035::6815:284b2026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 04:41:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, j.ns.at, n.ns.at, r.ns.at... | - |
| 3krn.at | liz.ns.cloudflare.com, dean.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 173.245.59.153
NS records: liz.ns.cloudflare.com, dean.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3krn.at (unsigned zone)
⏱️ Timing
Total: 362ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.181.56, 104.21.40.75 |
| AAAA | 2 | 2606:4700:3035::6815:284b, 2606:4700:3033::ac43:b538 |
| NS | 2 | dean.ns.cloudflare.com, liz.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dean.ns.cloudflare.com dns.cloudflare.co |
AI analysis
Four IP numbers are pointed to by 3krn.at: 2606:4700:3033::ac43:b538, 2606:4700:3035::6815:284b, 104.21.40.75 and 172.67.181.56.
other host names including cdos-manche.org, hardhome.net, nerkhedollar.com, iowagolf.org and salesing.com share IP numbers with 3krn.at.
3krn.at is delegated to two name servers dean.ns.cloudflare.com and liz.ns.cloudflare.com.
3krn.at shares the same name server setup as other domains, for instance esbgforum.de, kraken33.at, emja.net, tipbang.com and xrap.de.
3krn.at at least partially shares name servers with other domains, for instance aloapply.com, richardscctv.com, brainydocuments.com, 8.152.37.in-addr.arpa and smartphones.best.
these name servers are commonly used alongside jessica.ns.cloudflare.com.
Host names with six IP numbers:
Host name dean.ns.cloudflare.com points to: 2606:4700:58::adf5:3b99, 2803:f800:50::6ca2:c199, 2a06:98c1:50::ac40:2199, 108.162.193.153, 172.64.33.153 and 173.245.59.153.
Host name liz.ns.cloudflare.com points to: 2606:4700:50::adf5:3abd, 2803:f800:50::6ca2:c0bd, 2a06:98c1:50::ac40:20bd, 108.162.192.189, 172.64.32.189 and 173.245.58.189.