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=1770840002 | ||||||
Up
mail.coding4u.at |
Same first word
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| coding4u.at | dns3.dwhost.net, dns2.dwhost.net, dns1.dwhost.net | - |
✅ Authoritative Response
Server: 85.159.213.38
NS records: dns3.dwhost.net, dns2.dwhost.net, dns1.dwhost.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coding4u.at (unsigned zone)
⏱️ Timing
Total: 199ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.199.137.102 |
| NS | 3 | dns3.dwhost.net, dns1.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 the parent of mail.coding4u.at.
coding4u.at resolves to one IP number: 138.199.137.102.
other host names including 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 name servers with other domains, for instance icsa.rs, vitezsertifikacija.rs, rsi.rs, koraknapred.rs and inesklara.com.
Host names with two IPs:
dns1.dwhost.net points to: 2a01:7e00:e000:fa::2 and 85.159.213.38.
Host names with one IP:
dns2.dwhost.net points to: 94.237.111.102.
dns3.dwhost.net points to: 162.55.68.152.
coding4u.at is handled by a single mail server, mail.coding4u.at.