unders.at - robtex.com
unders.at
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a01:4f9:c014:e9af::1🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK | ||||||
| A | 157.180.72.21🇩🇪 Hetzner157.180.0.0/17 HETZNER-DC | ||||||
| NS | dns19.ovh.net ⭐ | ||||||
| A | 2001:41d0:d00:f800::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns19.ovh.net | ||||||
| A | 5.135.216.9🇫🇷 OVH5.135.0.0/16 | ||||||
| PTR | dns19.ovh.net | ||||||
| NS | ns19.ovh.net | ||||||
| A | 2001:41d0:b00:f200::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns19.ovh.net | ||||||
| A | 5.135.36.129🇧🇪 OVH5.135.0.0/16 | ||||||
| PTR | ns19.ovh.net | ||||||
| MX | webmail.itwtserv.ovh ⭐ | ||||||
| A | 2a01:4f9:c013:884b::1🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK | ||||||
| PTR | webmail.itwtserv.ovh | ||||||
| A | 89.167.4.17🇩🇪 Hetzner89.167.0.0/17 HETZNER-DC | ||||||
| PTR | webmail.itwtserv.ovh | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | dns19.ovh.nettech@ovh.net serial=2083418616 | ||||||
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=1783976402 | ||||||
Subdomains
mail.unders.at |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSdns19.ovh.net2026-02-18 → 2026-07-13 · 3 obs
● 2026-02-18 00:19:30
● 2026-07-13 22:11:04
○NSns1.sprit.org2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-07-13 22:11:04
●NSns19.ovh.net2026-02-18 → 2026-07-13 · 3 obs
● 2026-02-18 00:19:30
● 2026-07-13 22:11:04
○NSns2.sprit.org2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-07-13 22:11:04
○MXmail1.sprit.org2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-07-13 22:11:04
●MXwebmail.itwtserv.ovh2026-02-18 → 2026-07-13 · 3 obs
● 2026-02-18 00:19:30
● 2026-07-13 22:11:04
●A157.180.72.212026-02-18 → 2026-07-13 · 3 obs
● 2026-02-18 00:19:30
● 2026-07-13 22:11:04
●A2a01:4f9:c014:e9af::12026-02-18 → 2026-07-13 · 3 obs
● 2026-02-18 00:19:30
● 2026-07-13 22:11:04
○A81.223.238.2422018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-07-13 22:11:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | ns1.univie.ac.at, ns2.univie.ac.at, j.ns.at, n.ns.at... | - |
| unders.at | ns19.ovh.net, dns19.ovh.net | - |
✅ Authoritative Response
Server:5.135.36.129
NS records: ns19.ovh.net, dns19.ovh.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1926ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.180.72.21 |
| AAAA | 1 | 2a01:4f9:c014:e9af::1 |
| NS | 2 | ns19.ovh.net, dns19.ovh.net |
| MX | 1 | webmail.itwtserv.ovh (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | dns19.ovh.net tech.ovh.net |
Analysis
Hierarchy
The domain mail.unders.at falls under the parent unders.at.
IP Addresses
unders.at points to the IP addresses 157.180.72.21 and 2a01:4f9:c014:e9af::1
Other host names, among them itwtserv.ovh and itwt.at, have IP numbers in common with unders.at.
Name Servers
unders.at uses two name servers for its delegation: dns19.ovh.net and ns19.ovh.net.
The name server configuration of unders.at is shared with other domains, for instance 81.31.176.in-addr.arpa, mortex.be, dm-immobilier.com and two others.
The two host names dns19.ovh.net and ns19.ovh.net each have a pair of IP addresses: dns19.ovh.net has 5.135.216.9 and 2001:41d0:d00:f800::2, and ns19.ovh.net has 5.135.36.129 and 2001:41d0:b00:f200::2.
Mail Servers
unders.at uses one mail server — webmail.itwtserv.ovh.
unders.at, itwtserv.ovh and itwt.at all share the same mail server setup.
webmail.itwtserv.ovh directs to two IP numbers, 89.167.4.17 and 2a01:4f9:c013:884b::1.