krell.at - robtex.com
krell.at
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=1776070802 | ||||||
Subdomains
mx1.krell.at |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSdns1.a1.net2026-02-22 → 2026-04-13 · 3 obs
● 2026-02-22 23:20:48
● 2026-04-13 09:55:40
○NSdns1.telekom.at2015-08-23 → 2017-06-19 · 6 obs
● 2016-03-28 15:18:28
○ 2016-09-22 23:41:00
● 2017-06-19 15:47:20
○ 2026-02-22 23:20:48
○ 2026-04-13 09:55:40
●NSdns2.a1.net2026-02-22 → 2026-04-13 · 3 obs
● 2026-02-22 23:20:48
● 2026-04-13 09:55:40
○NSdns2.telekom.at2015-08-23 → 2017-06-19 · 4 obs
● 2017-06-19 15:47:20
○ 2026-02-22 23:20:48
○ 2026-04-13 09:55:40
●NSdns3.a1.net2026-02-22 → 2026-04-13 · 3 obs
● 2026-02-22 23:20:48
● 2026-04-13 09:55:40
○NSdns3.telekom.at2015-08-23 → 2017-06-19 · 4 obs
● 2017-06-19 15:47:20
○ 2026-02-22 23:20:48
○ 2026-04-13 09:55:40
●MXkrell-at.mail.protection.outlook.com2026-02-22 → 2026-04-13 · 3 obs
● 2026-02-22 23:20:48
● 2026-04-13 09:55:40
○MXmx1.krell.at2015-08-23 → 2017-06-19 · 4 obs
● 2017-06-19 15:47:20
○ 2026-02-22 23:20:48
○ 2026-04-13 09:55:40
○A144.76.27.1552015-08-23 → 2017-06-19 · 4 obs
● 2017-06-19 15:47:20
○ 2026-02-22 23:20:48
○ 2026-04-13 09:55:40
●A84.242.15.102026-02-22 → 2026-04-13 · 3 obs
● 2026-02-22 23:20:48
● 2026-04-13 09:55:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, j.ns.at, n.ns.at, r.ns.at... | - |
| krell.at | dns2.a1.net, dns1.a1.net, dns3.a1.net | - |
✅ Authoritative Response
Server:213.33.99.79
NS records: dns2.a1.net, dns1.a1.net, dns3.a1.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for krell.at (unsigned zone)
⏱️ Timing
Total: 914ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 84.242.15.10 |
| NS | 3 | dns2.a1.net, dns3.a1.net... |
| MX | 1 | krell-at.mail.protection.outlook.com (pr |
| TXT | 2 | MS=ms65309428, v=spf1 ipv4:188.20.247.110 include:spf.p |
| SOA | 1 | dns1.a1.net domainadmin.a1.net |
Analysis
Hierarchy
The parent of mx1.krell.at is krell.at.
IP Addresses
krell.at points to an IP address: 84.242.15.10.
Other host names, for instance mail.mx2.at and ip084242015010.rev.nessus.at, share IP numbers with krell.at.
Name Servers
krell.at is delegated to three name servers dns1.a1.net, dns2.a1.net and dns3.a1.net.
krell.at at least partially shares name servers with other domains, for instance khas.at, pbsholding.com, bundesforste.at, wurzelsepp.at and optiksteiner.at.
Host names with four IP numbers:
dns2.a1.net points to 2001:67c:1bc::105, 2001:850:3010:101:213:33:99:79, 192.174.68.105 and 213.33.99.79.
Host names with two IP numbers:
dns1.a1.net points to 2001:850:3030:31:80:120:17:26 and 80.120.17.26; dns3.a1.net points to 2001:67c:10b8::105 and 176.97.158.105.
Mail Servers
krell.at is handled by a single mail server, krell-at.mail.protection.outlook.com.
Hostname krell-at.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::4, 52.101.68.15, 52.101.68.16, 52.101.68.32 and 52.101.73.24.