firstguide.at - robtex.com
firstguide.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.145.156🇦🇹 IONOS-AS | ||||||
| PTR | www86.world4you.com | ||||||
| NS | ns1.world4you.at ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:32:253🇺🇸 IONOS-ANYCAST | ||||||
| PTR | ns1.world4you.at | ||||||
| A | 185.132.32.253🇩🇪 IONOS-ANYCAST | ||||||
| PTR | ns1.world4you.at | ||||||
| NS | ns2.world4you.at | ||||||
| A | 2001:8d8:fe:53:217:160:82:253🇩🇪 IONOS-AS | ||||||
| PTR | ns2.world4you.at | ||||||
| A | 217.160.82.253🇩🇪 IONOS-AS | ||||||
| PTR | ns2.world4you.at | ||||||
| MX | mail.firstguide.at ⭐ | ||||||
| A | 81.19.149.74🇦🇹 IONOS-AS | ||||||
| PTR | mail22.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-03-20 #2 | ||||||
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
4 records (4 active, 0 former)
●NSns1.world4you.at2015-06-14 → 2026-02-21 · 2 obs
● 2026-02-21 03:28:06
●NSns2.world4you.at2015-06-14 → 2026-02-21 · 2 obs
● 2026-02-21 03:28:06
●MXmail.firstguide.at2015-06-14 → 2026-02-21 · 2 obs
● 2026-02-21 03:28:06
●A81.19.145.1562015-06-14 → 2026-02-21 · 2 obs
● 2026-02-21 03:28:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| firstguide.at | ns1.world4you.at, ns2.world4you.at | - |
✅ Authoritative Response
Server: 217.160.82.253
NS records: ns1.world4you.at, ns2.world4you.at
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstguide.at (unsigned zone)
⏱️ Timing
Total: 73ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.145.156 |
| NS | 2 | ns2.world4you.at, ns1.world4you.at |
| MX | 1 | mail.firstguide.at (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
AI analysis
firstguide.at resolves to one IP number: 81.19.145.156.
Other host names, for instance haut.co.at, icsracing.at, bhe.at, 362e.at and akastmk-sturm.at share IP numbers with firstguide.at.
firstguide.at's delegation uses two name servers: ns1.world4you.at and ns2.world4you.at.
firstguide.at uses the same name server setup as other domains, such as co-mediation.or.at, chinacenter.at, apf.gv.at, nowakmail.at and kanbock.net.
firstguide.at at least partially shares name servers with other domains, for example tuernitz.gv.at.
Host names with two IPs:
ns1.world4you.at points to 2607:f1c0:fe:53:185:132:32:253 and 185.132.32.253
ns2.world4you.at points to 2001:8d8:fe:53:217:160:82:253 and 217.160.82.253
A single mail server handles firstguide.at, mail.firstguide.at.
Host name mail.firstguide.at resolves to a single IP: 81.19.149.74.