cours.at - robtex.com

cours.at

DNSSEC⚠️ Not signed
NSns1.dnsowl.com ⚠️ Not in zone NS records
A2400:cb00:2049:1::a29f:1a88🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1bad🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.136Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.27.173Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.dnsowl.com ⚠️ Not in zone NS records
A2400:cb00:2049:1::a29f:1a31🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b82🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.49Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.27.130Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.dnsowl.com ⚠️ Not in zone NS records
A2400:cb00:2049:1::a29f:1aea🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b62🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.234Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.27.98Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US

at

DNSSEC🔒 Signed (DS record present)
NSdns.nic.at
NSd.ns.at
NSj.ns.at
NSn.ns.at
NSns1.univie.ac.at
NSns2.univie.ac.at
NSr.ns.at
NSu.ns.at
SOAdns.nic.atdomain-admin@univie.ac.at serial=1784689202

Same first word

Similar names

DNS History

8 records (3 active, 5 former)

20162017201820192020202120222023202420252026NSns1.dnsowl.comns2.dnsowl.comns3.dnsowl.comns09.domaincontrol.comns10.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA184.168.221.56
NSns09.domaincontrol.com2015-05-30 → 2015-10-30 · 4 obs
● 2015-05-30 18:02:26
● 2015-10-30 06:31:00
○ 2016-01-14 14:55:22
○ 2026-07-22 03:20:36
NSns1.dnsowl.com2026-06-14 → 2026-07-22 · 3 obs
○ 2016-01-14 14:55:22
● 2026-06-14 09:48:12
● 2026-07-22 03:20:36
NSns10.domaincontrol.com2015-05-30 → 2015-10-30 · 4 obs
● 2015-05-30 18:02:26
● 2015-10-30 06:31:00
○ 2016-01-14 14:55:22
○ 2026-07-22 03:20:36
NSns2.dnsowl.com2026-06-14 → 2026-07-22 · 3 obs
○ 2016-01-14 14:55:22
● 2026-06-14 09:48:12
● 2026-07-22 03:20:36
NSns3.dnsowl.com2026-06-14 → 2026-07-22 · 3 obs
○ 2016-01-14 14:55:22
● 2026-06-14 09:48:12
● 2026-07-22 03:20:36
MXmailstore1.secureserver.net2015-05-30 → 2015-10-30 · 4 obs
● 2015-05-30 18:02:26
● 2015-10-30 06:31:00
○ 2016-01-14 14:55:22
○ 2026-07-22 03:20:36
MXsmtp.secureserver.net2015-05-30 → 2015-10-30 · 4 obs
● 2015-05-30 18:02:26
● 2015-10-30 06:31:00
○ 2016-01-14 14:55:22
○ 2026-07-22 03:20:36
A184.168.221.562015-05-30 → 2015-10-30 · 4 obs
● 2015-05-30 18:02:26
● 2015-10-30 06:31:00
○ 2016-01-14 14:55:22
○ 2026-07-22 03:20:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
atd.ns.at, j.ns.at, n.ns.at, r.ns.at...-
cours.atns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com-

✅ Authoritative Response

Server:162.159.27.98

NS records: ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cours.at (unsigned zone)

⏱️ Timing

Total: 1271ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

cours.at has three name servers — ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.

At least some of cours.at's name servers are shared with other domains, for example digitalid4u.com, luofei58.com, bronxeyedoctors.com and two more.

Each of the hosts ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com resolves to four IP addresses: ns1.dnsowl.com points to 162.159.26.136, 162.159.27.173, 2400:cb00:2049:1::a29f:1a88 and 2400:cb00:2049:1::a29f:1bad; ns2.dnsowl.com points to 162.159.26.49, 162.159.27.130, 2400:cb00:2049:1::a29f:1a31 and 2400:cb00:2049:1::a29f:1b82; and ns3.dnsowl.com points to 162.159.26.234, 162.159.27.98, 2400:cb00:2049:1::a29f:1aea and 2400:cb00:2049:1::a29f:1b62.