sdtech.kr - dns.ninja

sdtech.kr

DNSSECโš ๏ธ Not signed
A115.68.17.174๐Ÿ‡ฐ๐Ÿ‡ท SMILESERV-AS-KR115.68.0.0/17
NSsdtech.kr โญ
A115.68.17.174๐Ÿ‡ฐ๐Ÿ‡ท SMILESERV-AS-KR115.68.0.0/17
NSns.cafe24.com
A112.175.246.226๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A112.175.247.226๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A175.125.93.135๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
A175.125.93.145๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
NSns0.cafe24.com โš ๏ธ Not in parent delegation
A116.126.143.241๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET116.126.0.0/16 SK Broadband
NSns1.cafe24.co.kr โš ๏ธ Not in zone NS records
A112.175.246.232๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
PTRgjit.kr
PTRsnoweb.kr
PTRsinc2030.co.kr
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 โš ๏ธ Not in parent delegation
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 โš ๏ธ Not in zone NS records
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
MXwebmail.sdtech.kr โญ
A118.219.232.103๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET118.219.0.0/16 SK Broadband
PTRwebmail-009.cafe24.com
TXTv=spf1 include:spf.cafe24.com ~all
SOAsdtech.krpostmaster@sdtech.kr serial=20090102

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=2607301063

NS for

Subdomains

Same first word

Similar names

DNS History

11 records (9 active, 2 former)

20192020202120222023202420252026NSns.cafe24.comns0.cafe24.comns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comsdtech.krns2.ish.co.krMXwebmail.sdtech.krA115.68.17.17461.100.9.225
โ—NSns.cafe24.com2026-02-16 โ†’ 2026-07-30 ยท 3 obs
โ—‹ 2018-08-01 00:05:24
โ— 2026-02-16 08:20:28
โ— 2026-07-30 19:57:48
โ—NSns0.cafe24.com2026-02-16 โ†’ 2026-07-30 ยท 3 obs
โ—‹ 2018-08-01 00:05:24
โ— 2026-02-16 08:20:28
โ— 2026-07-30 19:57:48
โ—NSns1.cafe24.co.kr2026-02-16 โ†’ 2026-07-30 ยท 3 obs
โ—‹ 2018-08-01 00:05:24
โ— 2026-02-16 08:20:28
โ— 2026-07-30 19:57:48
โ—NSns1.cafe24.com2026-02-16 โ†’ 2026-07-30 ยท 3 obs
โ—‹ 2018-08-01 00:05:24
โ— 2026-02-16 08:20:28
โ— 2026-07-30 19:57:48
โ—NSns2.cafe24.co.kr2026-02-16 โ†’ 2026-07-30 ยท 3 obs
โ—‹ 2018-08-01 00:05:24
โ— 2026-02-16 08:20:28
โ— 2026-07-30 19:57:48
โ—NSns2.cafe24.com2026-02-16 โ†’ 2026-07-30 ยท 3 obs
โ—‹ 2018-08-01 00:05:24
โ— 2026-02-16 08:20:28
โ— 2026-07-30 19:57:48
โ—‹NSns2.ish.co.kr2018-08-01 โ†’ 2018-08-01 ยท 3 obs
โ— 2018-08-01 00:05:24
โ—‹ 2026-02-16 08:20:28
โ—‹ 2026-07-30 19:57:48
โ—NSsdtech.kr2026-02-16 โ†’ 2026-07-30 ยท 3 obs
โ—‹ 2018-08-01 00:05:24
โ— 2026-02-16 08:20:28
โ— 2026-07-30 19:57:48
โ—MXwebmail.sdtech.kr2018-08-01 โ†’ 2026-07-30 ยท 2 obs
โ— 2018-08-01 00:05:24
โ— 2026-07-30 19:57:48
โ—A115.68.17.1742026-02-16 โ†’ 2026-07-30 ยท 3 obs
โ—‹ 2018-08-01 00:05:24
โ— 2026-02-16 08:20:28
โ— 2026-07-30 19:57:48
โ—‹A61.100.9.2252018-08-01 โ†’ 2018-08-01 ยท 3 obs
โ— 2018-08-01 00:05:24
โ—‹ 2026-02-16 08:20:28
โ—‹ 2026-07-30 19:57:48

๐Ÿ” DNS Trace

Analysis

Hierarchy

webmail.sdtech.kr is delegated beneath sdtech.kr.

Name Server Role

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

sdtech.kr is commonly paired with ns0.cafe24.com, ns1.cafe24.com and ns2.cafe24.com to act as name servers.

IP Addresses

sdtech.kr resolves to one IP address: 115.68.17.174.

hanul-eng.com, banknloan.kr, www.daol-event.co.kr and two other host names share IP numbers with sdtech.kr.

Name Servers

sdtech.kr carries NS delegation across 7 name servers โ€” sdtech.kr, ns0.cafe24.com, ns1.cafe24.com and 4 other.

There is at least partial name server overlap between sdtech.kr and other domains โ€” harimmall.com, ap-topline.com, familyofchang.com and two more among them.

These name servers regularly appear alongside ns1.cafe24.co.kr, ns2.cafe24.co.kr, ns.cafe24.com and 4 other name servers in NS record sets.

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 resolves to four IP addresses โ€” 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns.cafe24.com resolves to four IP addresses โ€” 112.175.246.226, 112.175.247.226, 175.125.93.135 and 175.125.93.145.

ns1.cafe24.co.kr resolves to four IP addresses โ€” 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr resolves to four IP addresses โ€” 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Hosts with just one IP address:

The hostname sdtech.kr resolves to 115.68.17.174.

The hostname ns0.cafe24.com resolves to 116.126.143.241.

ns1.cafe24.com along with ns.cafe24.com each resolve to 175.125.93.135 IP addresses.

Mail Servers

Mail for sdtech.kr is handled by a single mail server, webmail.sdtech.kr.

webmail.sdtech.kr carries a single IP number, which is 118.219.232.103.