open-lecture.net - robtex.com

open-lecture.net

DNSSEC⚠️ Not signed
NScody.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:58::adf5:3b6b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcody.ns.cloudflare.com
A2803:f800:50::6ca2:c16b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcody.ns.cloudflare.com
A2a06:98c1:50::ac40:216b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcody.ns.cloudflare.com
A108.162.193.107🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcody.ns.cloudflare.com
A172.64.33.107🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcody.ns.cloudflare.com
A173.245.59.107🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcody.ns.cloudflare.com
NSrosa.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:50::adf5:3ae4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosa.ns.cloudflare.com
A2803:f800:50::6ca2:c0e4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrosa.ns.cloudflare.com
A2a06:98c1:50::ac40:20e4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrosa.ns.cloudflare.com
A108.162.192.228🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosa.ns.cloudflare.com
A172.64.32.228🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosa.ns.cloudflare.com
A173.245.58.228🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrosa.ns.cloudflare.com

net

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=1785182852

Previously MX for

open-lecture.net

Same first word

open-lecture.net
open-lecture.ru

Similar names

entre-couple.com

DNS History

13 records (2 active, 11 former)

20162017201820192020202120222023202420252026NScody.ns.cloudflare.comrosa.ns.cloudflare.commaster.dns.ne.jpns01.f147jp0607.infons02.f147jp0607.infons1.dns.ne.jpns1.dynadot.comns2.dns.ne.jpns2.dynadot.comMXopen-lecture.netA219.94.129.6452.0.217.4461.203.217.146
●NScody.ns.cloudflare.com2026-06-04 → 2026-07-27 · 3 obs
○ 2017-03-25 13:46:32
● 2026-06-04 22:55:34
● 2026-07-27 20:37:42
○NSmaster.dns.ne.jp2017-03-25 → 2017-03-25 · 4 obs
○ 2016-01-29 10:21:34
● 2017-03-25 13:46:32
○ 2026-06-04 22:55:34
○ 2026-07-27 20:37:42
○NSns01.f147jp0607.info2015-10-20 → 2016-01-29 · 5 obs
○ 2015-06-07 19:42:06
● 2015-10-20 04:54:52
● 2016-01-29 10:21:34
○ 2017-03-25 13:46:32
○ 2026-07-27 20:37:42
○NSns02.f147jp0607.info2015-10-20 → 2016-01-29 · 5 obs
○ 2015-06-07 19:42:06
● 2015-10-20 04:54:52
● 2016-01-29 10:21:34
○ 2017-03-25 13:46:32
○ 2026-07-27 20:37:42
○NSns1.dns.ne.jp2017-03-25 → 2017-03-25 · 4 obs
○ 2016-01-29 10:21:34
● 2017-03-25 13:46:32
○ 2026-06-04 22:55:34
○ 2026-07-27 20:37:42
○NSns1.dynadot.com2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 19:42:06
○ 2015-10-20 04:54:52
○ 2026-07-27 20:37:42
○NSns2.dns.ne.jp2017-03-25 → 2017-03-25 · 4 obs
○ 2016-01-29 10:21:34
● 2017-03-25 13:46:32
○ 2026-06-04 22:55:34
○ 2026-07-27 20:37:42
○NSns2.dynadot.com2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 19:42:06
○ 2015-10-20 04:54:52
○ 2026-07-27 20:37:42
●NSrosa.ns.cloudflare.com2026-06-04 → 2026-07-27 · 3 obs
○ 2017-03-25 13:46:32
● 2026-06-04 22:55:34
● 2026-07-27 20:37:42
○MXopen-lecture.net2015-10-20 → 2017-03-25 · 4 obs
● 2015-10-20 04:54:52
● 2017-03-25 13:46:32
○ 2026-06-04 22:55:34
○ 2026-07-27 20:37:42
○A219.94.129.642017-03-25 → 2017-03-25 · 4 obs
○ 2016-01-29 10:21:34
● 2017-03-25 13:46:32
○ 2026-06-04 22:55:34
○ 2026-07-27 20:37:42
○A52.0.217.442015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 19:42:06
○ 2015-10-20 04:54:52
○ 2026-07-27 20:37:42
○A61.203.217.1462015-10-20 → 2016-01-29 · 5 obs
○ 2015-06-07 19:42:06
● 2015-10-20 04:54:52
● 2016-01-29 10:21:34
○ 2017-03-25 13:46:32
○ 2026-07-27 20:37:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netg.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net...-
open-lecture.netcody.ns.cloudflare.com, rosa.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.107

NS records: cody.ns.cloudflare.com, rosa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open-lecture.net (unsigned zone)

⏱️ Timing

Total: 247ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

open-lecture.net is delegated to two name servers: cody.ns.cloudflare.com and rosa.ns.cloudflare.com.

open-lecture.net uses the same name servers as several other domains — among them iuipath.com, vogon.dev, innerchildpress.com and two more.

open-lecture.net has at least partial name server overlap with other domains, such as winlive4dpull.com, bantampharma.com, rox-casino07.online and two others.

These name servers tend to appear together with the name servers darl.ns.cloudflare.com, lucy.ns.cloudflare.com and shaz.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

cody.ns.cloudflare.com resolves to 108.162.193.107, 172.64.33.107, 173.245.59.107 and 3 other IP addresses.

rosa.ns.cloudflare.com resolves to 108.162.192.228, 172.64.32.228, 173.245.58.228 and 3 other IP addresses.