summerofcode.at - dns.ninja

summerofcode.at

DNSSEC⚠️ Not signed
NShydrogen.ns.hetzner.com ⭐
A2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRhydrogen.ns.hetzner.com
A213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRhydrogen.ns.hetzner.com
NSns.second-ns.com
A2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns.second-ns.com
A213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns.second-ns.com
NSns1.your-server.de
A2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.your-server.de
A213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRns1.your-server.de
NSns3.second-ns.de
A2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRns3.second-ns.de
A193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRns3.second-ns.de
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-04-29 #0

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=1783227602

Same first word

summerofcode.net
summerofcode.be
summerofcode.org
summerofcode.withgoogle.com
summerofcode.at
summerofcode.com

DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026NShydrogen.ns.hetzner.comns.second-ns.comns1.your-server.dens3.second-ns.deMXmail.summerofcode.atA83.64.250.37
●NShydrogen.ns.hetzner.com2026-07-05 → 2026-07-05 · 2 obs
○ 2015-07-12 20:29:04
● 2026-07-05 05:47:08
●NSns.second-ns.com2015-07-12 → 2026-07-05 · 2 obs
● 2015-07-12 20:29:04
● 2026-07-05 05:47:08
●NSns1.your-server.de2015-07-12 → 2026-07-05 · 2 obs
● 2015-07-12 20:29:04
● 2026-07-05 05:47:08
●NSns3.second-ns.de2015-07-12 → 2026-07-05 · 2 obs
● 2015-07-12 20:29:04
● 2026-07-05 05:47:08
○MXmail.summerofcode.at2015-07-12 → 2018-01-11 · 3 obs
● 2015-07-12 20:29:04
● 2018-01-11 10:30:44
○ 2026-07-05 05:47:08
○A83.64.250.372015-07-12 → 2018-01-11 · 3 obs
● 2015-07-12 20:29:04
● 2018-01-11 10:30:44
○ 2026-07-05 05:47:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
atj.ns.at, n.ns.at, r.ns.at, ns2.univie.ac.at...-
summerofcode.atns.second-ns.com, ns3.second-ns.de, ns1.your-server.de-

✅ Authoritative Response

Server:213.239.204.242

NS records: ns.second-ns.com, ns3.second-ns.de, ns1.your-server.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for summerofcode.at (unsigned zone)

⏱️ Timing

Total: 1331ms | Queries: -

📄 Records

TypeCountSample Data
NS3ns.second-ns.com, ns1.your-server.de...
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

Analysis

Name Servers

Four name servers handle the delegation for summerofcode.at: ns.second-ns.com, ns3.second-ns.de, ns1.your-server.de and hydrogen.ns.hetzner.com.

There is at least partial name server overlap between summerofcode.at and other domains — einzigartig-design.de, biofruechte.at, mkjp.de and two more among them.

The name servers oxygen.ns.hetzner.com, helium.ns.hetzner.de and ns1.first-ns.de are often found in combination with these name servers.

All four hostnames — ns.second-ns.com, ns3.second-ns.de, ns1.your-server.de and hydrogen.ns.hetzner.com — resolve to two IP numbers apiece: ns.second-ns.com to 213.239.204.242 and 2a01:4f8:0:a101::b:1; ns3.second-ns.de to 193.47.99.4 and 2001:67c:192c::add:b3; ns1.your-server.de to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1; hydrogen.ns.hetzner.com to 213.133.100.98 and 2a01:4f8:0:1::add:1098.