exercise-testing.com - dns.ninja
exercise-testing.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.154.98🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | redirect01.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.exercise-testing.com ⭐ | ||||||
| A | 81.19.154.99🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mwl01.world4you.com | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com serial=1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786506399 | ||||||
Subdomains
mail.exercise-testing.com |
Same first word
exercise-testing.com |
DNS History
8 records (4 active, 4 former)
○NSns-1300.awsdns-34.org2018-07-20 → 2018-07-20 · 3 obs
○ 2026-03-19 13:41:20
○ 2026-08-12 04:00:26
○NSns-1665.awsdns-16.co.uk2018-07-20 → 2018-07-20 · 3 obs
○ 2026-03-19 13:41:20
○ 2026-08-12 04:00:26
○NSns-185.awsdns-23.com2018-07-20 → 2018-07-20 · 3 obs
○ 2026-03-19 13:41:20
○ 2026-08-12 04:00:26
○NSns-735.awsdns-27.net2018-07-20 → 2018-07-20 · 3 obs
○ 2026-03-19 13:41:20
○ 2026-08-12 04:00:26
●NSns1.world4you.at2026-03-19 → 2026-08-12 · 3 obs
● 2026-03-19 13:41:20
● 2026-08-12 04:00:26
●NSns2.world4you.at2026-03-19 → 2026-08-12 · 3 obs
● 2026-03-19 13:41:20
● 2026-08-12 04:00:26
●MXmail.exercise-testing.com2026-03-19 → 2026-08-12 · 2 obs
● 2026-08-12 04:00:26
●A81.19.154.982026-03-19 → 2026-08-12 · 2 obs
● 2026-08-12 04:00:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| exercise-testing.com | 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 exercise-testing.com (unsigned zone)
⏱️ Timing
Total: 313ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.154.98 |
| NS | 2 | ns1.world4you.at, ns2.world4you.at |
| MX | 1 | mail.exercise-testing.com (pri: 10) |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
exercise-testing.com serves as the parent of mail.exercise-testing.com.
IP Addresses
exercise-testing.com points to a single IP number: 81.19.154.98.
Additional host names — phigum.at, unsere-welt.at, holzbaukonzept.com and two others — share IP numbers with exercise-testing.com.
Name Servers
exercise-testing.com is delegated to two name servers: ns1.world4you.at and ns2.world4you.at.
exercise-testing.com shares its name server setup with other domains, including alpinfra.com, h2v.at, maunt.at and two others.
ns1.world4you.at and ns2.world4you.at each resolve to two IP addresses: ns1.world4you.at points to 185.132.32.253 and 2607:f1c0:fe:53:185:132:32:253, while ns2.world4you.at points to 217.160.82.253 and 2001:8d8:fe:53:217:160:82:253.
Mail Servers
exercise-testing.com has one mail server: mail.exercise-testing.com.
mail.exercise-testing.com resolves to a single IP number: 81.19.154.99.