opencurricula.com - robtex.com

opencurricula.com

DNSSEC🔒 Signed (DS record present)
A172.105.94.130🇩🇪 AKAMAI-LINODE-AP172.105.64.0/19 Akamai Technologies
PTR172-105-94-130.ip.linodeusercontent.com
NSns1.gandi.net ⭐
A2001:4b98:aaaa::2🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider
PTRns-1-a.gandi.net
A173.246.100.2🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A
PTRns-1-a.gandi.net
NSns-100-b.gandi.net
A2001:4b98:aaab::65🇫🇷 GANDI-LIVEDNS2001:4b98:aaab::/48 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net
PTRns-100-b.gandi.net
A213.167.230.101🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider
PTRns-100-b.gandi.net
NSns-130-c.gandi.net
A2604:3400:aaac::83🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc.
PTRns-130-c.gandi.net
A217.70.187.131🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider
PTRns-130-c.gandi.net
NSns-217-a.gandi.net
A2001:4b98:aaaa::da🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider
PTRns-217-a.gandi.net
A173.246.100.218🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A
PTRns-217-a.gandi.net
MXmail.protonmail.ch ⭐
A176.119.200.128🇨🇭 Proton176.119.200.0/24
PTRmail.protonmail.ch
A185.70.42.128🇨🇭 Proton185.70.42.0/24
PTRmail.protonmail.ch
A185.205.70.128🇫🇷 Proton185.205.70.0/24
PTRmail.protonmail.ch
MXmailsec.protonmail.ch(20)
A176.119.200.129🇨🇭 Proton176.119.200.0/24
PTRmailsec.protonmail.ch
A185.70.42.129🇨🇭 Proton185.70.42.0/24
PTRmailsec.protonmail.ch
A185.205.70.129🇫🇷 Proton185.205.70.0/24
PTRmailsec.protonmail.ch
TXTprotonmail-verification=9ee6639aaf66902472c1fd7bcca6b88e567d59f3
TXTv=spf1 include:_spf.protonmail.ch mx ~all
SOAns1.gandi.nethostmaster@gandi.net serial=1774483200

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=1774502327
📈 Tranco rank: #944,423

Same first word

opencurricula.com

DNS History

17 records (7 active, 10 former)

200920112013201520172019202120232025NSns-100-b.gandi.netns-130-c.gandi.netns-217-a.gandi.netns1.gandi.neta.dns.gandi.netb.dns.gandi.netc.dns.gandi.netns1.dreamhost.comns2.dreamhost.comns3.dreamhost.comMXmail.protonmail.chmailsec.protonmail.chfb.mail.gandi.netspool.mail.gandi.netA172.105.94.130208.113.210.116217.70.184.38
○NSa.dns.gandi.net2015-06-01 → 2017-08-16 · 5 obs
○ 2008-03-16 13:54:40
● 2015-06-01 21:11:02
● 2017-08-16 21:26:46
○ 2026-03-20 00:28:30
○ 2026-03-26 05:35:22
○NSb.dns.gandi.net2015-06-01 → 2017-08-16 · 5 obs
○ 2008-03-16 13:54:40
● 2015-06-01 21:11:02
● 2017-08-16 21:26:46
○ 2026-03-20 00:28:30
○ 2026-03-26 05:35:22
○NSc.dns.gandi.net2015-06-01 → 2017-08-16 · 5 obs
○ 2008-03-16 13:54:40
● 2015-06-01 21:11:02
● 2017-08-16 21:26:46
○ 2026-03-20 00:28:30
○ 2026-03-26 05:35:22
●NSns-100-b.gandi.net2026-03-20 → 2026-03-26 · 3 obs
○ 2017-08-16 21:26:46
● 2026-03-20 00:28:30
● 2026-03-26 05:35:22
●NSns-130-c.gandi.net2026-03-20 → 2026-03-26 · 3 obs
○ 2017-08-16 21:26:46
● 2026-03-20 00:28:30
● 2026-03-26 05:35:22
●NSns-217-a.gandi.net2026-03-20 → 2026-03-26 · 3 obs
○ 2017-08-16 21:26:46
● 2026-03-20 00:28:30
● 2026-03-26 05:35:22
○NSns1.dreamhost.com2008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 13:54:40
○ 2015-06-01 21:11:02
○ 2026-03-26 05:35:22
●NSns1.gandi.net2026-03-20 → 2026-03-26 · 3 obs
○ 2017-08-16 21:26:46
● 2026-03-20 00:28:30
● 2026-03-26 05:35:22
○NSns2.dreamhost.com2008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 13:54:40
○ 2015-06-01 21:11:02
○ 2026-03-26 05:35:22
○NSns3.dreamhost.com2008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 13:54:40
○ 2015-06-01 21:11:02
○ 2026-03-26 05:35:22
○MXfb.mail.gandi.net2015-06-01 → 2017-08-16 · 5 obs
○ 2008-03-16 13:54:40
● 2015-06-01 21:11:02
● 2017-08-16 21:26:46
○ 2026-03-20 00:28:30
○ 2026-03-26 05:35:22
●MXmail.protonmail.ch2026-03-20 → 2026-03-26 · 3 obs
○ 2017-08-16 21:26:46
● 2026-03-20 00:28:30
● 2026-03-26 05:35:22
●MXmailsec.protonmail.ch2026-03-20 → 2026-03-26 · 3 obs
○ 2017-08-16 21:26:46
● 2026-03-20 00:28:30
● 2026-03-26 05:35:22
○MXspool.mail.gandi.net2015-06-01 → 2017-08-16 · 5 obs
○ 2008-03-16 13:54:40
● 2015-06-01 21:11:02
● 2017-08-16 21:26:46
○ 2026-03-20 00:28:30
○ 2026-03-26 05:35:22
●A172.105.94.1302026-03-20 → 2026-03-26 · 3 obs
○ 2017-08-16 21:26:46
● 2026-03-20 00:28:30
● 2026-03-26 05:35:22
○A208.113.210.1162008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 13:54:40
○ 2015-06-01 21:11:02
○ 2026-03-26 05:35:22
○A217.70.184.382015-06-01 → 2017-08-16 · 5 obs
○ 2008-03-16 13:54:40
● 2015-06-01 21:11:02
● 2017-08-16 21:26:46
○ 2026-03-20 00:28:30
○ 2026-03-26 05:35:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net...-
opencurricula.comns-217-a.gandi.net, ns-100-b.gandi.net, ns-130-c.gandi.net-

✅ Authoritative Response

Server:217.70.187.131

NS records: ns-217-a.gandi.net, ns-100-b.gandi.net, ns-130-c.gandi.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 879ms | Queries: -

📄 Records

TypeCountSample Data
A1172.105.94.130
NS3ns-217-a.gandi.net, ns-130-c.gandi.net...
MX2mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)
TXT2protonmail-verification=9ee6639aaf669024, v=spf1 include:_spf.protonmail.ch mx ~al
SOA1ns1.gandi.net hostmaster.gandi.net

Analysis

IP Addresses

opencurricula.com points to a single IP address: 172.105.94.130.

Name Servers

opencurricula.com is delegated to four name servers: ns-100-b.gandi.net, ns-130-c.gandi.net, ns-217-a.gandi.net and ns1.gandi.net.

At least part of the name servers for opencurricula.com are shared with other domains, for instance bakula.org, ai-cloud.fr, clicetsite.fr, ecoharmony.org and lhermite.org.

These name servers are often used together with the name servers ns-50-a.gandi.net, ns-250-c.gandi.net, ns-204-c.gandi.net, ns-186-a.gandi.net, ns-210-c.gandi.net, ns-238-a.gandi.net and ns-42-b.gandi.net.

Host names with two IP numbers:

ns-100-b.gandi.net points to: 2001:4b98:aaab::65 and 213.167.230.101

ns-130-c.gandi.net points to: 2604:3400:aaac::83 and 217.70.187.131

ns-217-a.gandi.net points to: 2001:4b98:aaaa::da and 173.246.100.218

ns1.gandi.net points to: 2001:4b98:aaaa::2 and 173.246.100.2

Mail Servers

opencurricula.com is handled by two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

opencurricula.com uses the same mail server setup as other domains, for instance codemonkeylabs.de, wnetx.de, lohengr.in, team-reflex.com and courtassistance.org.

opencurricula.com shares at least some mail servers with other domains, for example bauke.xyz, daniel-mcdonough.com, pro-biotek.com, myintrepidsolution.com and mbd041076.com.

Host names with three IP numbers:

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.