unders.at - dns.ninja
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=2081085774 | ||||||
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=1782694802 | ||||||
Subdomains
mail.unders.at |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSdns19.ovh.net2026-02-18 → 2026-06-29 · 3 obs
● 2026-02-18 00:19:30
● 2026-06-29 02:00:32
○NSns1.sprit.org2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-06-29 02:00:32
●NSns19.ovh.net2026-02-18 → 2026-06-29 · 3 obs
● 2026-02-18 00:19:30
● 2026-06-29 02:00:32
○NSns2.sprit.org2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-06-29 02:00:32
○MXmail1.sprit.org2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-06-29 02:00:32
●MXwebmail.itwtserv.ovh2026-02-18 → 2026-06-29 · 3 obs
● 2026-02-18 00:19:30
● 2026-06-29 02:00:32
●A157.180.72.212026-02-18 → 2026-06-29 · 3 obs
● 2026-02-18 00:19:30
● 2026-06-29 02:00:32
●A2a01:4f9:c014:e9af::12026-02-18 → 2026-06-29 · 3 obs
● 2026-02-18 00:19:30
● 2026-06-29 02:00:32
○A81.223.238.2422018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-18 00:19:30
○ 2026-06-29 02:00:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, j.ns.at, n.ns.at, r.ns.at... | 14 records |
| unders.at | ns19.ovh.net, dns19.ovh.net | - |
✅ Authoritative Response
Server:5.135.216.9
NS records: ns19.ovh.net, dns19.ovh.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 922ms | 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 |
📌 Glue Records Collected
Total: 14
In-bailiwick: 14 (d.ns.at, d.ns.at, j.ns.at...)
Analysis
Hierarchy
unders.at is the parent zone for mail.unders.at.
IP Addresses
unders.at directs to two IP numbers, 157.180.72.21 and 2a01:4f9:c014:e9af::1
itwtserv.ovh and itwt.at, along with other host names, share IP addresses with unders.at.
Name Servers
unders.at is served by two delegated name servers, dns19.ovh.net and ns19.ovh.net.
unders.at shares its name server setup with other domains, including 81.31.176.in-addr.arpa, mortex.be, dm-immobilier.com and two others.
Each of the two host names carries two IP addresses: dns19.ovh.net points to 5.135.216.9 and 2001:41d0:d00:f800::2, and ns19.ovh.net points to 5.135.36.129 and 2001:41d0:b00:f200::2.
Mail Servers
unders.at has one mail server: webmail.itwtserv.ovh.
The mail server configuration of unders.at is identical to that of other domains, for example itwtserv.ovh and itwt.at.
The host webmail.itwtserv.ovh resolves to 89.167.4.17 and 2a01:4f9:c013:884b::1 — two IP addresses.