loopback.at - dns.ninja
loopback.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.159.97🇦🇹 IONOS-AS81.19.144.0/20 | ||||||
| PTR | www97sni.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.loopback.at ⭐ | ||||||
| A | 81.19.149.85IONOS-AS81.19.144.0/20 | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-02-28 #26 | ||||||
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=1780840802 | ||||||
Subdomains
mail.loopback.at |
Same first word
Similar names
backloop.de |
backloop.be |
bookclap.blogspot.com |
poolback.com |
backloop.nl |
poblocka.com |
backloop.ca |
backloop.biz |
lookpcba.com |
bolkocpa.com |
backloop.it |
poolback.es |
backloop.dev |
backloop.ai |
backloop.org |
backloop.com |
DNS History
5 records (4 active, 1 former)
●NSns1.world4you.at2015-07-16 → 2026-06-07 · 2 obs
● 2015-07-16 14:21:12
● 2026-06-07 14:30:16
● 2026-06-07 14:30:16
●NSns2.world4you.at2015-07-16 → 2026-06-07 · 2 obs
● 2015-07-16 14:21:12
● 2026-06-07 14:30:16
● 2026-06-07 14:30:16
●MXmail.loopback.at2015-07-16 → 2026-06-07 · 2 obs
● 2015-07-16 14:21:12
● 2026-06-07 14:30:16
● 2026-06-07 14:30:16
○A81.19.145.1672015-07-16 → 2017-05-31 · 4 obs
● 2015-07-16 14:21:12
● 2017-05-31 07:24:52
○ 2026-03-22 16:17:28
○ 2026-06-07 14:30:16
● 2017-05-31 07:24:52
○ 2026-03-22 16:17:28
○ 2026-06-07 14:30:16
●A81.19.159.972026-03-22 → 2026-06-07 · 3 obs
○ 2017-05-31 07:24:52
● 2026-03-22 16:17:28
● 2026-06-07 14:30:16
● 2026-03-22 16:17:28
● 2026-06-07 14:30:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, j.ns.at, n.ns.at, r.ns.at... | - |
| loopback.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 loopback.at (unsigned zone)
⏱️ Timing
Total: 4855ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.159.97 |
| NS | 2 | ns1.world4you.at, ns2.world4you.at |
| MX | 1 | mail.loopback.at (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
mail.loopback.at is a subdomain of loopback.at.
IP Addresses
loopback.at has exactly one IP address — 81.19.159.97.
Name Servers
DNS delegation for loopback.at points to two name servers: ns1.world4you.at and ns2.world4you.at.
ns1.world4you.at directs to 185.132.32.253 and 2607:f1c0:fe:53:185:132:32:253. ns2.world4you.at directs to 217.160.82.253 and 2001:8d8:fe:53:217:160:82:253. Each host name carries two IP addresses.
Mail Servers
loopback.at uses one mail server — mail.loopback.at.
mail.loopback.at has exactly one IP number: 81.19.149.85.