blockcrs.at - robtex.com
blockcrs.at
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 213.239.192.239🇩🇪 Hetzner | ||||||
| PTR | mail.spaneco.cz | ||||||
| NS | ns1.websupport.cz ⭐ 🔒 | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz 🔒 | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu 🔒 | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS | ||||||
| PTR | ns3.websupport.eu | ||||||
| MX | blockcrs-at.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1732259751 | ||||||
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 | ||||||
Same first word
DNS History
5 records (5 active, 0 former)
●NSns1.websupport.cz2026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 12:14:08
●NSns2.websupport.cz2026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 12:14:08
●NSns3.websupport.eu2026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 12:14:08
●MXblockcrs-at.mail.protection.outlook.com2026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 12:14:08
●A213.239.192.2392026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 12:14:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, j.ns.at, n.ns.at, r.ns.at... | - |
| blockcrs.at | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server: 45.10.97.11
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 699ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.239.192.239 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 1 | blockcrs-at.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
AI analysis
blockcrs.at points to an IP address: 213.239.192.239.
other host names include retigo.de, mail.nrw.czech-ski.cz, tridas.nl, myponytoy.com and kotly.cz; they share IP numbers with blockcrs.at.
blockcrs.at is delegated to three name servers ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
blockcrs.at at least partially shares name servers with other domains, for instance blesno.cz, zilt.biz, vyslapy.cz, pid.cz and pressmonitor.cz.
Host names with two IP numbers:
ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11; ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12; ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13.
blockcrs.at is handled by a single mail server, blockcrs-at.mail.protection.outlook.com.