att-testing.de - dns.ninja
att-testing.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.254.39.103🇮🇹 SERVERPLAN-AS46.254.36.0/22 Serverplan s.r.l. | ||||||
| PTR | v00mmf-acanto.sphostserver.com | ||||||
| NS | ns1.instradns.com ⭐ | ||||||
| A | 75.2.6.34🇺🇸 Amazon75.2.0.0/20 | ||||||
| PTR | aef93cd39153ffbac.awsglobalaccelerator.com | ||||||
| NS | ns2.instradns.com | ||||||
| A | 75.2.85.37🇺🇸 Amazon75.2.80.0/20 | ||||||
| PTR | a9bf3e392db71e4d0.awsglobalaccelerator.com | ||||||
| NS | ns3.instradns.com | ||||||
| A | 99.83.188.20🇺🇸 Amazon99.83.176.0/20 | ||||||
| PTR | aef93cd39153ffbac.awsglobalaccelerator.com | ||||||
| MX | mail.att-testing.de ⭐ | ||||||
| A | 81.113.134.82🇮🇹 ASN-IBSNAZ81.113.0.0/16 INTERBUSINESS | ||||||
| PTR | mailsrv.angelantoni.it | ||||||
| SOA | ns1.instradns.comroot@instra.com 2013-11-19 #1 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1786450124 | ||||||
Subdomains
mail.att-testing.de |
Same first word
att-testing.de |
att-testing.fr |
att-testing.com |
att-testing.it |
DNS History
6 records (5 active, 1 former)
●NSns1.instradns.com2015-06-20 → 2026-08-11 · 2 obs
● 2026-08-11 12:29:46
●NSns2.instradns.com2015-06-20 → 2026-08-11 · 2 obs
● 2026-08-11 12:29:46
●NSns3.instradns.com2015-06-20 → 2026-08-11 · 2 obs
● 2026-08-11 12:29:46
●MXmail.att-testing.de2015-06-20 → 2026-08-11 · 2 obs
● 2026-08-11 12:29:46
●A46.254.39.1032026-02-23 → 2026-08-11 · 3 obs
● 2026-02-23 04:30:24
● 2026-08-11 12:29:46
○A81.113.134.892015-06-20 → 2018-06-07 · 4 obs
● 2018-06-07 05:42:40
○ 2026-02-23 04:30:24
○ 2026-08-11 12:29:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| att-testing.de | ns1.instradns.com, ns2.instradns.com, ns3.instradns.com | - |
✅ Authoritative Response
Server:75.2.6.34
NS records: ns1.instradns.com, ns2.instradns.com, ns3.instradns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for att-testing.de (unsigned zone)
⏱️ Timing
Total: 621ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.254.39.103 |
| NS | 3 | ns1.instradns.com, ns3.instradns.com... |
| MX | 1 | mail.att-testing.de (pri: 10) |
| SOA | 1 | ns1.instradns.com root.instra.com |
Analysis
Hierarchy
mail.att-testing.de is delegated beneath att-testing.de.
IP Addresses
att-testing.de resolves to one IP address: 46.254.39.103.
bratek.it, att-testing.com, fillform.io and two other host names share IP numbers with att-testing.de.
Name Servers
att-testing.de is delegated to three name servers: ns1.instradns.com, ns2.instradns.com and ns3.instradns.com.
There is at least partial name server overlap between att-testing.de and other domains — memopark.info, privateranger.net, milkdigital.net and two more among them.
It is common to find these name servers alongside the name servers ns1.hostingww.com, ns2.hostingww.com, ns3.hostingww.com and two others.
ns1.instradns.com, ns2.instradns.com and ns3.instradns.com each resolve to a single IP address: ns1.instradns.com resolves to 75.2.6.34, ns2.instradns.com resolves to 75.2.85.37 and ns3.instradns.com resolves to 99.83.188.20.
Mail Servers
Mail for att-testing.de is handled by a single mail server, mail.att-testing.de.
mail.att-testing.de resolves to a single IP number: 81.113.134.82.