openlearn.kr - dns.ninja

openlearn.kr

DNSSECโš ๏ธ Not signed
A183.111.242.13๐Ÿ‡ฐ๐Ÿ‡ท KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSopenlearn.kr โญ
A183.111.242.13๐Ÿ‡ฐ๐Ÿ‡ท KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSns1.cafe24.co.kr
A112.175.246.232๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A112.175.246.233๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A175.125.93.136๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
A175.125.93.137๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
NSns1.cafe24.com
A112.175.246.230๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A112.175.246.231๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A116.126.143.242๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET116.126.0.0/16 SK Broadband
A175.125.93.134๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
A175.125.93.135๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.co.kr
A112.175.247.232๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
PTRsnoweb.kr
PTRsarchi.co.kr
A112.175.247.233๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A175.125.93.146๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
A175.125.93.147๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.com
A1.226.85.4๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13
A1.234.0.4๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13
A112.175.11.4๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A112.175.12.4๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c1b::1a๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A192.178.155.27๐Ÿ‡บ๐Ÿ‡ธ Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.27๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
MXalt2.aspmx.l.google.com(6)
A2a00:1450:400b:c02::1a๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b๐Ÿ‡ฌ๐Ÿ‡ง Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27๐Ÿ‡บ๐Ÿ‡ธ Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(11)
A2a00:1450:400c:c23::1b๐Ÿ‡ง๐Ÿ‡ช Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.0.0/16
TXTv=spf1 include:spf.cafe24.com ~all
TXTgoogle-site-verification=acAYpbiH7qjz_-vSOH0yhqIadHIBnKJG6iS1aZWclKg
SOAopenlearn.krpostmaster@openlearn.kr serial=20160908

kr

DNSSEC๐Ÿ”’ Signed (DS record present)
NSg.dns.kr โญ
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2607140661

NS for

Same first word

Similar names

DNS History

14 records (11 active, 3 former)

20192020202120222023202420252026NSns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comopenlearn.krMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comalt.aspmx.daum.netaspmx.daum.netA183.111.242.13183.111.174.84
โ—NSns1.cafe24.co.kr2018-05-06 โ†’ 2026-07-14 ยท 2 obs
โ— 2018-05-06 14:47:48
โ— 2026-07-14 04:13:42
โ—NSns1.cafe24.com2018-05-06 โ†’ 2026-07-14 ยท 2 obs
โ— 2018-05-06 14:47:48
โ— 2026-07-14 04:13:42
โ—NSns2.cafe24.co.kr2018-05-06 โ†’ 2026-07-14 ยท 2 obs
โ— 2018-05-06 14:47:48
โ— 2026-07-14 04:13:42
โ—NSns2.cafe24.com2018-05-06 โ†’ 2026-07-14 ยท 2 obs
โ— 2018-05-06 14:47:48
โ— 2026-07-14 04:13:42
โ—NSopenlearn.kr2018-05-06 โ†’ 2026-07-14 ยท 2 obs
โ— 2018-05-06 14:47:48
โ— 2026-07-14 04:13:42
โ—‹MXalt.aspmx.daum.net2018-05-06 โ†’ 2018-05-06 ยท 3 obs
โ— 2018-05-06 14:47:48
โ—‹ 2026-02-15 13:46:48
โ—‹ 2026-07-14 04:13:42
โ—MXalt1.aspmx.l.google.com2026-02-15 โ†’ 2026-07-14 ยท 3 obs
โ—‹ 2018-05-06 14:47:48
โ— 2026-02-15 13:46:48
โ— 2026-07-14 04:13:42
โ—MXalt2.aspmx.l.google.com2026-02-15 โ†’ 2026-07-14 ยท 3 obs
โ—‹ 2018-05-06 14:47:48
โ— 2026-02-15 13:46:48
โ— 2026-07-14 04:13:42
โ—MXalt3.aspmx.l.google.com2026-02-15 โ†’ 2026-07-14 ยท 3 obs
โ—‹ 2018-05-06 14:47:48
โ— 2026-02-15 13:46:48
โ— 2026-07-14 04:13:42
โ—MXalt4.aspmx.l.google.com2026-02-15 โ†’ 2026-07-14 ยท 3 obs
โ—‹ 2018-05-06 14:47:48
โ— 2026-02-15 13:46:48
โ— 2026-07-14 04:13:42
โ—‹MXaspmx.daum.net2018-05-06 โ†’ 2018-05-06 ยท 3 obs
โ— 2018-05-06 14:47:48
โ—‹ 2026-02-15 13:46:48
โ—‹ 2026-07-14 04:13:42
โ—MXaspmx.l.google.com2026-02-15 โ†’ 2026-07-14 ยท 3 obs
โ—‹ 2018-05-06 14:47:48
โ— 2026-02-15 13:46:48
โ— 2026-07-14 04:13:42
โ—‹A183.111.174.842018-05-06 โ†’ 2018-05-06 ยท 3 obs
โ— 2018-05-06 14:47:48
โ—‹ 2026-02-15 13:46:48
โ—‹ 2026-07-14 04:13:42
โ—A183.111.242.132026-02-15 โ†’ 2026-07-14 ยท 3 obs
โ—‹ 2018-05-06 14:47:48
โ— 2026-02-15 13:46:48
โ— 2026-07-14 04:13:42

๐Ÿ” DNS Trace

Analysis

Name Server Role

openlearn.kr acts as a name server for openlearn.kr, meaning it is self-referentially delegated.

openlearn.kr is commonly paired with ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr to act as name servers.

IP Addresses

openlearn.kr resolves to one IP address: 183.111.242.13.

foresco.co.kr, www.cpkorea.co.kr, dodamlaw.com and two other host names share IP numbers with openlearn.kr.

Name Servers

Five name servers are authoritative for openlearn.kr, which are openlearn.kr, ns1.cafe24.com, ns2.cafe24.com and two others.

openlearn.kr has at least partial name server overlap with other domains, such as codingbaljeonso.com, kantique.com, gsiexpress.com and two others.

ns2.cafe24.co.kr, ns.cafe24.com and ns0.cafe24.com โ€” plus 6 other name servers โ€” are commonly paired with these name servers.

Hostnames pointing to five IP numbers:

ns1.cafe24.com resolves to four IP addresses: 112.175.246.230, 112.175.246.231, 116.126.143.242 and two others.

Hosts that point to four IP numbers:

ns2.cafe24.com has four IP addresses: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr has four IP addresses: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr has four IP addresses: 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Hosts with just one IP address:

openlearn.kr points to 183.111.242.13.

Mail Servers

Mail for openlearn.kr is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

openlearn.kr has at least partial mail server overlap with other domains such as getlodgesocial.com, bivenslobbytn.com, ns500754.ns500754.ns500754.ns500731.ns500671.ns500742.ns500688.ns500688.ns500671.ns500671.ns500649.tenderladiesbz.com and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com points to 192.178.155.27 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1b.