coding4u.at - robtex.com
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coding4u.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 138.199.137.102🇩🇪 Hetzner | ||||||
| PTR | host127.dwhost.net | ||||||
| NS | dns1.dwhost.net ⭐ | ||||||
| A | 2a01:7e00:e000:fa::2🇬🇧 AKAMAI-LINODE-AP | ||||||
| PTR | dns1.dwhost.net | ||||||
| A | 85.159.213.38🇬🇧 AKAMAI-LINODE-AP | ||||||
| PTR | dns1.dwhost.net | ||||||
| NS | dns2.dwhost.net | ||||||
| A | 94.237.111.102🇳🇱 UPCLOUD | ||||||
| PTR | dns2.dwhost.net | ||||||
| NS | dns3.dwhost.net | ||||||
| A | 162.55.68.152🇩🇪 Hetzner | ||||||
| PTR | dns3.dwhost.net | ||||||
| MX | mail.coding4u.at ⭐ | ||||||
| TXT | v=spf1 ip4:138.199.137.102 ip4:188.40.21.44 +a +mx ~all | ||||||
| SOA | dns1.dwhost.netadmin@dreamweb.rs 2026-01-26 #1 | ||||||
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=1770915602 | ||||||
Up
mail.coding4u.at |
Same first word
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, j.ns.at, n.ns.at, r.ns.at... | - |
| coding4u.at | dns2.dwhost.net, dns1.dwhost.net, dns3.dwhost.net | - |
✅ Authoritative Response
Server: 94.237.111.102
NS records: dns2.dwhost.net, dns1.dwhost.net, dns3.dwhost.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coding4u.at (unsigned zone)
⏱️ Timing
Total: 751ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.199.137.102 |
| NS | 3 | dns1.dwhost.net, dns3.dwhost.net... |
| MX | 1 | mail.coding4u.at (pri: 0) |
| TXT | 1 | v=spf1 ip4:138.199.137.102 ip4:188.40.21 |
| SOA | 1 | dns1.dwhost.net admin.dreamweb.rs |
AI analysis
coding4u.at is parent of mail.coding4u.at.
coding4u.at points to a single IP: 138.199.137.102.
Other host names, for instance mail.dbj.org, lovackaprodavnica.com, mail.stilluxnamestaj.rs, agoncasopis.com and energobull.com share IP numbers with coding4u.at.
coding4u.at is delegated to three name servers: dns1.dwhost.net, dns2.dwhost.net and dns3.dwhost.net.
coding4u.at at least partially shares its name servers with other domains, for instance icsa.rs, vitezsertifikacija.rs, rsi.rs, koraknapred.rs and inesklara.com.
Host names with two IP numbers:
dns1.dwhost.net points to 2a01:7e00:e000:fa::2 and 85.159.213.38.
Host names with one IP number:
dns2.dwhost.net points to 94.237.111.102.
dns3.dwhost.net points to 162.55.68.152.
coding4u.at is served by a single mail server, mail.coding4u.at.