dcsymposium.com - robtex.com

dcsymposium.com

DNSSEC⚠️ Not signed
A81.92.91.56🇫🇷 NAMESHIELD81.92.90.0/23 DC2-1
A185.65.58.55🇫🇷 NAMESHIELD185.65.58.0/23
NSobs.ns1.fr ⭐
A2a01:c8:200:111::46🇫🇷 NAMESHIELD2a01:c8:200::/40 DC1-1
PTRobs.ns1.fr
A2a01:c8:300:111::46🇫🇷 NAMESHIELD2a01:c8:300::/40 DC2-1
PTRobs.ns1.fr
A81.92.91.46🇫🇷 NAMESHIELD81.92.90.0/23 DC2-1
PTRobs.ns1.fr
A185.65.58.46🇫🇷 NAMESHIELD185.65.58.0/23
PTRobs.ns1.fr
NSns2.observatoiredesmarques.fr
A2a00:1630:210:3::39🇳🇱 i3Dnet2a00:1630::/32 i3D.net B.V. Rotterdam Netherlands
PTRns2.observatoiredesmarques.fr
A2a02:6ea0:c776::43🇩🇪 CDN772a02:6ea0:c700::/40 _IPv6_FRA-1
PTRns2.observatoiredesmarques.fr
A2a02:6ea0:cf2b::1🇩🇪 CDN772a02:6ea0:cf00::/40 _IPv6_FRB_1
PTRns2.observatoiredesmarques.fr
A89.222.108.240🇬🇧 CDN7789.222.108.0/24 Frankfurt
PTRns2.observatoiredesmarques.fr
A169.150.255.43🇩🇪 CDN77169.150.255.0/24 Frankfurt
PTRns2.observatoiredesmarques.fr
A188.122.87.39i3Dnet188.122.64.0/19
PTRns2.observatoiredesmarques.fr
NSns3.nameshield.net
A2001:19f0:5:353:5400:ff:fe37:618f🇺🇸 AS-VULTR2001:19f0::/38 Vultr Assigned Prefix
PTRns3.nameshield.net
A2a02:6ea0:c140::1🇺🇸 CDN772a02:6ea0:c100::/40 _IPv6_ATL-1
PTRunn-atl.cdn77.com
A2a02:6ea0:e216::1🇺🇸 CDN772a02:6ea0:e200::/40 -ASH
PTRns3.nameshield.net
A37.19.207.80🇺🇸 CDN7737.19.206.0/23 -ASH
PTRns3.nameshield.net
A45.63.17.113🇺🇸 AS-VULTR45.63.16.0/21 Vultr Assigned Prefix
PTRns3.nameshield.net
A195.181.171.194🇺🇸 CDN77195.181.171.0/24 -ATL
PTRns3.nameshield.net
SOAobs.ns1.frtechnical@nameshield.net 2026-05-21 #6

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=1784302152

Same first word

dcsymposium.nl
dcsymposium.org
dcsymposium.com

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSns2.observatoiredesmarques.frns3.nameshield.netobs.ns1.frnszero1.axc.nlnszero2.axc.nlMXfallback.axc.nlmail.dcsymposium.comA185.65.58.5581.92.91.56159.253.0.110185.182.56.12
●NSns2.observatoiredesmarques.fr2026-06-23 → 2026-07-17 · 3 obs
○ 2017-04-20 10:44:24
● 2026-06-23 12:27:04
● 2026-07-17 15:54:40
●NSns3.nameshield.net2026-06-23 → 2026-07-17 · 3 obs
○ 2017-04-20 10:44:24
● 2026-06-23 12:27:04
● 2026-07-17 15:54:40
○NSnszero1.axc.nl2015-06-06 → 2017-04-20 · 4 obs
● 2015-06-06 20:30:00
● 2017-04-20 10:44:24
○ 2026-06-23 12:27:04
○ 2026-07-17 15:54:40
○NSnszero2.axc.nl2015-06-06 → 2017-04-20 · 4 obs
● 2015-06-06 20:30:00
● 2017-04-20 10:44:24
○ 2026-06-23 12:27:04
○ 2026-07-17 15:54:40
●NSobs.ns1.fr2026-06-23 → 2026-07-17 · 3 obs
○ 2017-04-20 10:44:24
● 2026-06-23 12:27:04
● 2026-07-17 15:54:40
○MXfallback.axc.nl2015-06-06 → 2017-04-20 · 4 obs
● 2015-06-06 20:30:00
● 2017-04-20 10:44:24
○ 2026-06-23 12:27:04
○ 2026-07-17 15:54:40
○MXmail.dcsymposium.com2015-06-06 → 2017-04-20 · 4 obs
● 2015-06-06 20:30:00
● 2017-04-20 10:44:24
○ 2026-06-23 12:27:04
○ 2026-07-17 15:54:40
○A159.253.0.1102015-06-06 → 2016-09-21 · 4 obs
● 2015-06-06 20:30:00
● 2016-09-21 15:39:10
○ 2017-04-20 10:44:24
○ 2026-07-17 15:54:40
○A185.182.56.122017-04-20 → 2017-04-20 · 4 obs
○ 2016-09-21 15:39:10
● 2017-04-20 10:44:24
○ 2026-06-23 12:27:04
○ 2026-07-17 15:54:40
●A185.65.58.552026-06-23 → 2026-07-17 · 3 obs
○ 2017-04-20 10:44:24
● 2026-06-23 12:27:04
● 2026-07-17 15:54:40
●A81.92.91.562026-06-23 → 2026-07-17 · 3 obs
○ 2017-04-20 10:44:24
● 2026-06-23 12:27:04
● 2026-07-17 15:54:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
dcsymposium.comns2.observatoiredesmarques.fr, ns3.nameshield.net, obs.ns1.fr-

✅ Authoritative Response

Server:89.222.108.240

NS records: ns2.observatoiredesmarques.fr, ns3.nameshield.net, obs.ns1.fr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dcsymposium.com (unsigned zone)

⏱️ Timing

Total: 547ms | Queries: -

📄 Records

TypeCountSample Data
A2185.65.58.55, 81.92.91.56
NS3ns3.nameshield.net, obs.ns1.fr...
SOA1obs.ns1.fr technical.nameshield.net

Analysis

IP Addresses

dcsymposium.com resolves to the IP addresses 81.92.91.56 and 185.65.58.55

Additional host names — beartex.nl, wellwater.eu, octomore.info and two others — share IP numbers with dcsymposium.com.

Name Servers

dcsymposium.com has three name servers — obs.ns1.fr, ns2.observatoiredesmarques.fr and ns3.nameshield.net.

dcsymposium.com shares at least some of its name servers with other domains, including lecomptoir-cpr.com, tui.lv, exprover.org and two others.

Host names with 6 IP numbers:

ns2.observatoiredesmarques.fr points to 89.222.108.240, 169.150.255.43, 188.122.87.39 and 3 other IP addresses.

ns3.nameshield.net points to 37.19.207.80, 45.63.17.113, 195.181.171.194 and 3 other IP addresses.

Host names resolving to four IP addresses:

obs.ns1.fr points to 81.92.91.46, 185.65.58.46, 2a01:c8:200:111::46 and 2a01:c8:300:111::46.