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=2076418417 | ||||||
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=1778310002 | ||||||
Subdomains
mail.unders.at |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSdns19.ovh.net2026-02-18 → 2026-05-09 · 3 obs
● 2026-02-18 00:19:30
● 2026-05-09 07:23:20
○NSns1.sprit.org2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-05-09 07:23:20
●NSns19.ovh.net2026-02-18 → 2026-05-09 · 3 obs
● 2026-02-18 00:19:30
● 2026-05-09 07:23:20
○NSns2.sprit.org2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-05-09 07:23:20
○MXmail1.sprit.org2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-05-09 07:23:20
●MXwebmail.itwtserv.ovh2026-02-18 → 2026-05-09 · 3 obs
● 2026-02-18 00:19:30
● 2026-05-09 07:23:20
●A157.180.72.212026-02-18 → 2026-05-09 · 3 obs
● 2026-02-18 00:19:30
● 2026-05-09 07:23:20
●A2a01:4f9:c014:e9af::12026-02-18 → 2026-05-09 · 3 obs
● 2026-02-18 00:19:30
● 2026-05-09 07:23:20
○A81.223.238.2422018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-05-09 07:23:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | r.ns.at, j.ns.at, n.ns.at, d.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: 742ms | 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
unders.at is the parent of mail.unders.at.
IP Addresses
unders.at points to two IPs: 2a01:4f9:c014:e9af::1 and 157.180.72.21.
Other host names such as itwtserv.ovh, itwt.at and extensolutions.at share IP numbers with unders.at.
Name Servers
unders.at's delegation uses two name servers, dns19.ovh.net and ns19.ovh.net.
unders.at shares the same name server setup as other domains, for example 81.31.176.in-addr.arpa, mortex.be, dm-immobilier.com, factorii.es and lalettre.info.
Host names with two IPs:
dns19.ovh.net points to: 2001:41d0:d00:f800::2 and 5.135.216.9
ns19.ovh.net points to: 2001:41d0:b00:f200::2 and 5.135.36.129
Mail Servers
unders.at is handled by a single mail server, webmail.itwtserv.ovh.
unders.at uses the same mail server setup as other domains, for example itwtserv.ovh and itwt.at.
webmail.itwtserv.ovh points to two IPs: 2a01:4f9:c013:884b::1 and 89.167.4.17.