contract-synthesis.com - robtex.com

contract-synthesis.com

DNSSEC⚠️ Not signed
A2a02:ba8:100:0:250:56ff:feaf:6e13🇩🇪 LEITWERK-AS2a02:ba8::/32
PTRwww18.badencloud.de
A217.28.100.100🇩🇪 LEITWERK-AS217.28.96.0/21 LEITWERK AG
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
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
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
MXwww4.your-server.de ⭐
A2a01:4f8:d0a:27bd::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww4.your-server.de
A88.198.219.246🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRwww4.your-server.de
TXTv=spf1 +a +mx ?all
SOAns1.your-server.depostmaster@your-server.de 2026-01-13 #0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774427447

Subdomains

www.contract-synthesis.com

Same first word

contract-synthesis.com

DNS History

17 records (6 active, 11 former)

20162017201820192020202120222023202420252026NSns.second-ns.comns1.your-server.dens3.second-ns.de28-44.contract-synthesis.comdns1.contract-synthesis.comdns1.linux-profi.comdns1.net-base.dedns2.net-base.demail.contract-synthesis.comMXwww4.your-server.de28-44.rzfr.de28-4r.rzfr.demx01.rzfr.demx02.rzfr.deA217.28.100.1002a02:ba8:100:0:250:56ff:feaf:6e13213.214.28.44
○NS28-44.contract-synthesis.com2017-06-13 → 2017-06-13 · 4 obs
○ 2016-09-23 19:17:02
● 2017-06-13 22:17:52
○ 2026-03-01 02:54:44
○ 2026-03-25 08:37:28
○NSdns1.contract-synthesis.com2016-01-24 → 2016-09-23 · 5 obs
○ 2015-10-17 18:25:28
● 2016-01-24 01:38:20
● 2016-09-23 19:17:02
○ 2017-06-13 22:17:52
○ 2026-03-25 08:37:28
○NSdns1.linux-profi.com2015-05-29 → 2017-06-13 · 4 obs
● 2015-05-29 19:15:36
● 2017-06-13 22:17:52
○ 2026-03-01 02:54:44
○ 2026-03-25 08:37:28
○NSdns1.net-base.de2015-05-29 → 2017-06-13 · 4 obs
● 2015-05-29 19:15:36
● 2017-06-13 22:17:52
○ 2026-03-01 02:54:44
○ 2026-03-25 08:37:28
○NSdns2.net-base.de2015-05-29 → 2017-06-13 · 4 obs
● 2015-05-29 19:15:36
● 2017-06-13 22:17:52
○ 2026-03-01 02:54:44
○ 2026-03-25 08:37:28
○NSmail.contract-synthesis.com2015-05-29 → 2015-10-17 · 4 obs
● 2015-05-29 19:15:36
● 2015-10-17 18:25:28
○ 2016-01-24 01:38:20
○ 2026-03-25 08:37:28
●NSns.second-ns.com2026-03-01 → 2026-03-25 · 3 obs
○ 2017-06-13 22:17:52
● 2026-03-01 02:54:44
● 2026-03-25 08:37:28
●NSns1.your-server.de2026-03-01 → 2026-03-25 · 3 obs
○ 2017-06-13 22:17:52
● 2026-03-01 02:54:44
● 2026-03-25 08:37:28
●NSns3.second-ns.de2026-03-01 → 2026-03-25 · 3 obs
○ 2017-06-13 22:17:52
● 2026-03-01 02:54:44
● 2026-03-25 08:37:28
○MX28-44.rzfr.de2015-05-29 → 2016-09-23 · 4 obs
● 2015-05-29 19:15:36
● 2016-09-23 19:17:02
○ 2017-06-13 22:17:52
○ 2026-03-25 08:37:28
○MX28-4r.rzfr.de2017-06-13 → 2017-06-13 · 4 obs
○ 2016-09-23 19:17:02
● 2017-06-13 22:17:52
○ 2026-03-01 02:54:44
○ 2026-03-25 08:37:28
○MXmx01.rzfr.de2015-05-29 → 2017-06-13 · 4 obs
● 2015-05-29 19:15:36
● 2017-06-13 22:17:52
○ 2026-03-01 02:54:44
○ 2026-03-25 08:37:28
○MXmx02.rzfr.de2015-05-29 → 2017-06-13 · 4 obs
● 2015-05-29 19:15:36
● 2017-06-13 22:17:52
○ 2026-03-01 02:54:44
○ 2026-03-25 08:37:28
●MXwww4.your-server.de2026-03-01 → 2026-03-25 · 3 obs
○ 2017-06-13 22:17:52
● 2026-03-01 02:54:44
● 2026-03-25 08:37:28
○A213.214.28.442015-05-29 → 2017-06-13 · 4 obs
● 2015-05-29 19:15:36
● 2017-06-13 22:17:52
○ 2026-03-01 02:54:44
○ 2026-03-25 08:37:28
●A217.28.100.1002026-03-01 → 2026-03-25 · 3 obs
○ 2017-06-13 22:17:52
● 2026-03-01 02:54:44
● 2026-03-25 08:37:28
●A2a02:ba8:100:0:250:56ff:feaf:6e132026-03-01 → 2026-03-25 · 3 obs
○ 2017-06-13 22:17:52
● 2026-03-01 02:54:44
● 2026-03-25 08:37:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
contract-synthesis.comns1.your-server.de, ns.second-ns.com, ns3.second-ns.de2 records

✅ Authoritative Response

Server:193.47.99.4

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contract-synthesis.com (unsigned zone)

⏱️ Timing

Total: 384ms | Queries: -

📄 Records

TypeCountSample Data
A1217.28.100.100
AAAA12a02:ba8:100:0:250:56ff:feaf:6e13
NS3ns1.your-server.de, ns3.second-ns.de...
MX1www4.your-server.de (pri: 10)
TXT1v=spf1 +a +mx ?all
SOA1ns1.your-server.de postmaster.your-serve

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.second-ns.com, ns.second-ns.com)

Analysis

Hierarchy

contract-synthesis.com is the parent of www.contract-synthesis.com.

IP Addresses

The entity contract-synthesis.com points to two IP numbers: 2a02:ba8:100:0:250:56ff:feaf:6e13 and 217.28.100.100.

For instance, other host names bk-offset.com, gkonline.de, helijetag.de, cgmp-synthesis.com and www.pharmaceutical-chemistry.com share IP numbers with contract-synthesis.com.

Name Servers

The delegation for contract-synthesis.com is handled by three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

contract-synthesis.com shares name servers with other domains at least partially, for example srbs.de, 66.217.95.in-addr.arpa, zuendel.name, 9.5.c.0.1.3.2.0.8.f.4.0.1.0.a.2.ip6.arpa and pmax.de.

These name servers are commonly used with ns.second-ns.de.

Host names with two IPs:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242

ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4

ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102

Mail Servers

contract-synthesis.com is handled by a single mail server, www4.your-server.de.

contract-synthesis.com shares the same mail server setup as other domains, for instance nomentum.org, lixoro.de, ett-online.at, carbonreturn.com and myipaths.com.

contract-synthesis.com shares at least partially some mail servers with other domains, for instance hoechstadt.net.

www4.your-server.de resolves to two IPs: 2a01:4f8:d0a:27bd::2 and 88.198.219.246.