usu.ag - robtex.com
usu.ag
ag
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.cctld.afilias-nst.info ⭐ | ||||||
| NS | a2.cctld.afilias-nst.info | ||||||
| NS | b0.cctld.afilias-nst.org | ||||||
| NS | b2.cctld.afilias-nst.org | ||||||
| NS | c0.cctld.afilias-nst.info | ||||||
| NS | d0.cctld.afilias-nst.org | ||||||
| SOA | a0.cctld.afilias-nst.infohostmaster@donuts.email serial=1776185045 | ||||||
Subdomains
mail.usu.ag |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●MXmail.usu.ag2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 16:55:44
●MXusu-ag.mail.protection.outlook.com2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 16:55:44
●A185.26.157.2072026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 16:55:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ag | a0.cctld.afilias-nst.info, a2.cctld.afilias-nst.info, b0.cctld.afilias-nst.org, b2.cctld.afilias-nst.org... | 12 records |
| usu.ag | ns3.inwx.eu, ns2.inwx.de, ns.inwx.de | - |
✅ Authoritative Response
Server:176.97.158.104
NS records: ns3.inwx.eu, ns2.inwx.de, ns.inwx.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usu.ag (unsigned zone)
⏱️ Timing
Total: 2783ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.26.157.207 |
| NS | 3 | ns.inwx.de, ns3.inwx.eu... |
| MX | 2 | usu-ag.mail.protection.outlook.com (pri:, mail.usu.ag (pri: 10) |
| TXT | 2 | MS=ms30765485, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns.inwx.de hostmaster.inwx.de |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (a0.cctld.afilias-nst.info, a2.cctld.afilias-nst.info, b0.cctld.afilias-nst.org...)
Analysis
Hierarchy
The parent of mail.usu.ag is usu.ag.
IP Addresses
usu.ag points to a single IP: 185.26.157.207.
Other host names, for instance usu.eu, usu.info, usu.at, usu-valuemation.com and leutek.de share IP numbers with usu.ag.
Name Servers
usu.ag is delegated to three name servers: ns2.inwx.de, ns.inwx.de and ns3.inwx.eu.
usu.ag partially shares name servers with other domains; examples include friseurganter.de, gurdjieff.de, frenic.de, legasthis.at and genolog.net.
These name servers are commonly used with ns3.inwx.de, ns4.inwx.com, ns5.inwx.net, ns1.innogames.de, dns3.cloudns.net and dns4.cloudns.net.
Host names with two IP numbers:
ns2.inwx.de points to 2001:67c:10b8::104 and 176.97.158.104.
ns.inwx.de points to 2001:67c:1bc::104 and 192.174.68.104.
ns3.inwx.eu points to 2a02:d500::53 and 45.87.158.53.
Mail Servers
usu.ag is handled by two mail servers: mail.usu.ag and usu-ag.mail.protection.outlook.com.
usu.ag shares some mail servers with other domains, for example usu.cz, usu.com and usu.de.
These mail servers are often used together with mail.usu.com and usu-com.mail.protection.outlook.com.
Eight IPs for usu-ag.mail.protection.outlook.com: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.
One IP for mail.usu.ag: 88.198.238.220.