serenyi.at - robtex.com
serenyi.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.159.65🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | www65sni.world4you.com | ||||||
| NS | ns1.world4you.at ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:32:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns1.world4you.at | ||||||
| A | 185.132.32.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1.world4you.at | ||||||
| NS | ns2.world4you.at | ||||||
| A | 2001:8d8:fe:53:217:160:82:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns2.world4you.at | ||||||
| A | 217.160.82.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns2.world4you.at | ||||||
| MX | mail.serenyi.at ⭐ | ||||||
| A | 81.19.149.83🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail28.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-03-27 #22 | ||||||
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=1774641602 | ||||||
Subdomains
mail.serenyi.at |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.world4you.at2015-08-06 → 2026-03-27 · 2 obs
● 2026-03-27 21:02:10
●NSns2.world4you.at2015-08-06 → 2026-03-27 · 2 obs
● 2026-03-27 21:02:10
●MXmail.serenyi.at2015-08-06 → 2026-03-27 · 2 obs
● 2026-03-27 21:02:10
○A81.19.145.852015-08-06 → 2017-07-04 · 4 obs
● 2017-07-04 18:21:02
○ 2026-03-27 21:02:08
○ 2026-03-27 21:02:10
●A81.19.159.652026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 21:02:08
● 2026-03-27 21:02:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | ns1.univie.ac.at, d.ns.at, r.ns.at, j.ns.at... | - |
| serenyi.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 serenyi.at (unsigned zone)
⏱️ Timing
Total: 1470ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.159.65 |
| NS | 2 | ns1.world4you.at, ns2.world4you.at |
| MX | 1 | mail.serenyi.at (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
mail.serenyi.at has serenyi.at as its parent.
IP Addresses
serenyi.at maps to IP address 81.19.159.65.
Other host names, for instance mail.stoeffl.eu, www.andi-und-alex.at, www.christinemoessler.at, www.martin-eckert.at and psm.co.at share IP numbers with serenyi.at.
Name Servers
Two name servers ns1.world4you.at and ns2.world4you.at are delegated to serenyi.at.
serenyi.at uses the same name server configuration as other domains, such as edermichaela.at, physiotherapie-teufel.at, backline-verleih.at, musilgesellschaft.at and urtypen.at.
serenyi.at shares some name servers with other domains, for example nageler.biz.
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.
Mail Servers
serenyi.at is handled by a single mail server, mail.serenyi.at.
mail.serenyi.at points to one IP number: 81.19.149.83.