exts.kr - robtex.com

exts.kr

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:5d6🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:85dd🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.214Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.221🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgraham.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bab🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A2803:f800:50::6ca2:c1ab🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgraham.ns.cloudflare.com
A2a06:98c1:50::ac40:21ab🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgraham.ns.cloudflare.com
A108.162.193.171🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A172.64.33.171🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
A173.245.59.171🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgraham.ns.cloudflare.com
NSnadia.ns.cloudflare.com
A2606:4700:50::adf5:3acf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnadia.ns.cloudflare.com
A2803:f800:50::6ca2:c0cf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnadia.ns.cloudflare.com
A2a06:98c1:50::ac40:20cf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnadia.ns.cloudflare.com
A108.162.192.207🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnadia.ns.cloudflare.com
A172.64.32.207🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnadia.ns.cloudflare.com
A173.245.58.207🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnadia.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTgoogle-site-verification=QT4-ie4YxwxRzopKO6oZVC9Q8_yfp1zVZnZRd22mRGM
TXTv=spf1 include:spf.messagingengine.com ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.5.214, 172.67.133.221
IPv62606:4700:3030::6815:5d6, 2606:4700:3031::ac43:85dd
SOAgraham.ns.cloudflare.comdns@cloudflare.com serial=2396950078

kr

DNSSEC🔒 Signed (DS record present)
NSg.dns.kr ⭐ 🔒
NSb.dns.kr
NSc.dns.kr 🔒
NSd.dns.kr 🔒
NSe.dns.kr 🔒
NSf.dns.kr 🔒
SOAg.dns.krdomain-manager@nic.or.kr serial=2602170528

Up

www.exts.kr

Same first word

exts.de
exts.com
exts.jp
exts.ru
exts.s3.amazonaws.com
exts.kr
exts.ie
exts.ch
exts.info
exts.gr

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t(0x736578).ru

DNS History

18 records (8 active, 10 former)

20192020202120222023202420252026NSgraham.ns.cloudflare.comnadia.ns.cloudflare.comfreedns1.registrar-servers.comfreedns2.registrar-servers.comfreedns3.registrar-servers.comfreedns4.registrar-servers.comfreedns5.registrar-servers.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comkr1-aspmx1.worksmobile.comkr1-aspmx2.worksmobile.commail.tutanota.deA104.21.5.214172.67.133.2212606:4700:3030::6815:5d62606:4700:3031::ac43:85dd163.172.182.1092001:bc8:4400:2500::6:60b
○NSfreedns1.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 23:46:02
○ 2021-07-20 16:59:22
○ 2026-02-25 12:27:04
○NSfreedns2.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 23:46:02
○ 2021-07-20 16:59:22
○ 2026-02-25 12:27:04
○NSfreedns3.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 23:46:02
○ 2021-07-20 16:59:22
○ 2026-02-25 12:27:04
○NSfreedns4.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 23:46:02
○ 2021-07-20 16:59:22
○ 2026-02-25 12:27:04
○NSfreedns5.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 23:46:02
○ 2021-07-20 16:59:22
○ 2026-02-25 12:27:04
●NSgraham.ns.cloudflare.com2021-07-20 → 2026-02-25 · 3 obs
○ 2018-05-07 23:46:02
● 2021-07-20 16:59:22
● 2026-02-25 12:27:04
●NSnadia.ns.cloudflare.com2021-07-20 → 2026-02-25 · 3 obs
○ 2018-05-07 23:46:02
● 2021-07-20 16:59:22
● 2026-02-25 12:27:04
●MXin1-smtp.messagingengine.com2026-02-16 → 2026-02-25 · 3 obs
○ 2021-07-20 16:59:22
● 2026-02-16 11:38:48
● 2026-02-25 12:27:04
●MXin2-smtp.messagingengine.com2026-02-16 → 2026-02-25 · 3 obs
○ 2021-07-20 16:59:22
● 2026-02-16 11:38:48
● 2026-02-25 12:27:04
○MXkr1-aspmx1.worksmobile.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 23:46:02
○ 2021-07-20 16:59:22
○ 2026-02-25 12:27:04
○MXkr1-aspmx2.worksmobile.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 23:46:02
○ 2021-07-20 16:59:22
○ 2026-02-25 12:27:04
○MXmail.tutanota.de2021-07-20 → 2021-07-20 · 4 obs
○ 2018-05-07 23:46:02
● 2021-07-20 16:59:22
○ 2026-02-16 11:38:48
○ 2026-02-25 12:27:04
●A104.21.5.2142021-07-20 → 2026-02-25 · 3 obs
○ 2018-05-07 23:46:02
● 2021-07-20 16:59:22
● 2026-02-25 12:27:04
○A163.172.182.1092018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 23:46:02
○ 2021-07-20 16:59:22
○ 2026-02-25 12:27:04
●A172.67.133.2212021-07-20 → 2026-02-25 · 3 obs
○ 2018-05-07 23:46:02
● 2021-07-20 16:59:22
● 2026-02-25 12:27:04
○A2001:bc8:4400:2500::6:60b2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 23:46:02
○ 2021-07-20 16:59:22
○ 2026-02-25 12:27:04
●A2606:4700:3030::6815:5d62021-07-20 → 2026-02-25 · 3 obs
○ 2018-05-07 23:46:02
● 2021-07-20 16:59:22
● 2026-02-25 12:27:04
●A2606:4700:3031::ac43:85dd2021-07-20 → 2026-02-25 · 3 obs
○ 2018-05-07 23:46:02
● 2021-07-20 16:59:22
● 2026-02-25 12:27:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
exts.krgraham.ns.cloudflare.com, nadia.ns.cloudflare.com-

✅ Authoritative Response

Server: 173.245.59.171

NS records: graham.ns.cloudflare.com, nadia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exts.kr (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.5.214, 172.67.133.221
AAAA22606:4700:3031::ac43:85dd, 2606:4700:3030::6815:5d6
NS2graham.ns.cloudflare.com, nadia.ns.cloudflare.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT2google-site-verification=QT4-ie4YxwxRzop, v=spf1 include:spf.messagingengine.com ?
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1graham.ns.cloudflare.com dns.cloudflare.

AI analysis

exts.kr is the parent of www.exts.kr.

exts.kr points to four IP numbers: 2606:4700:3030::6815:5d6, 2606:4700:3031::ac43:85dd, 104.21.5.214 and 172.67.133.221.

Other host names including mnl777-ph.com, www.smarthosting.com.my, grainoilin.com, tm-news.co.uk and meetatrucker.com share IP numbers with exts.kr.

exts.kr's delegation uses two name servers, graham.ns.cloudflare.com and nadia.ns.cloudflare.com.

exts.kr shares the same name server setup as other domains, for example bnntour.com.ua, cofcrecovery.com, catswords.re.kr, stools.cz and birthmarkproduction.com.

exts.kr at least partially shares name servers with other domains, including 921zh.com, tourismtopend.com.au, phalebinhminh.com, ffddd66.com and ucitrialsworldcupbelgium.com.

these name servers are commonly used together with dakota.ns.cloudflare.com, june.ns.cloudflare.com and lynn.ns.cloudflare.com.

Host names with six IP numbers:

graham.ns.cloudflare.com points to: 2606:4700:58::adf5:3bab, 2803:f800:50::6ca2:c1ab, 2a06:98c1:50::ac40:21ab, 108.162.193.171, 172.64.33.171 and 173.245.59.171.

nadia.ns.cloudflare.com points to: 2606:4700:50::adf5:3acf, 2803:f800:50::6ca2:c0cf, 2a06:98c1:50::ac40:20cf, 108.162.192.207, 172.64.32.207 and 173.245.58.207.

exts.kr is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

exts.kr shares its mail server setup with other domains, including forwardthinkingworkplaces.com, jartexnetwork.com, tashkini.mailup.net, tccenter.org and theyconvert.com.

exts.kr shares some mail servers with other domains, at least partially, for instance haenerconsulting.com.

Host names with eight IP numbers

in1-smtp.messagingengine.com points to: 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Host names with four IP numbers

in2-smtp.messagingengine.com points to: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.