`sir.kr`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:888^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:988^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4850^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.8.136^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.9.136^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.72.80^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`henrik.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c69^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henrik.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c369^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`henrik.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2369^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`henrik.ns.cloudflare.com`
		A	108.162.195.105^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henrik.ns.cloudflare.com`
		A	162.159.44.105^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henrik.ns.cloudflare.com`
		A	172.64.35.105^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henrik.ns.cloudflare.com`
NS	`sloan.ns.cloudflare.com`
		A	2606:4700:50::a29f:2634^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c234^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sloan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2234^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sloan.ns.cloudflare.com`
		A	108.162.194.52^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	162.159.38.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	172.64.34.52^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
MX	`kr1-aspmx1.worksmobile.com` ⭐
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
MX	`kr1-aspmx2.worksmobile.com`⁽²⁰⁾
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
TXT	`v=spf1 include:spf.worksmobile.com ~all`
TXT	`v=spf1 ip4:114.207.112.251 ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.26.8.136, 104.26.9.136, 172.67.72.80
		IPv6 hints	2606:4700:20::681a:888, 2606:4700:20::681a:988, 2606:4700:20::ac43:4850
SOA	`henrik.ns.cloudflare.com`dns@cloudflare.com serial=2409702384

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2607280870

rank #149707 globally
rank #351 in the tld
📈 Tranco rank: #178,265

PTR for

251.112.207.114.in-addr.arpa

Subdomains

www.sir.kr

theme.sir.kr

Same first word

sir.ir

sir.ad

sir.com.br

sir.com.tw

sir.su

sir.net.au

sir.edu.pe

sir.pm

sir.dev

sir.is

sir.co.uk

sir.pt

sir.hu

sir.my

sir.at

sir.net

sir.tel

sir.si

sir.se

sir.com.co

sir.cn

sir.by

sir.monster

sir.ab.ca

sir.tw

sir.ru

sir.de

sir.toscana.it

sir.com.mx

sir.bz

sir.one

sir.edu

sir.red.sv

sir.la

sir.com.tr

sir.vc

sir.okinawa

sir.cat

sir.cc

sir.(0x787878)

sir.uz

sir.kr

sir.org.uk

sir.pl

sir.tv

sir.id.au

sir.ac.ir

sir.com

sir.studio

sir.name

sir.us

sir.fr

sir.com.pl

sir.vn

sir.center

sir.ci

sir.org

sir.fi

sir.nu

sir.social

sir.od.ua

sir.nl

sir.be

sir.fish

sir.kiev.ua

sir.no

sir.trading

sir.ie

sir.bg

sir.or.jp

sir.money

sir.sk

sir.ro

sir.ch

sir.im

sir.email

sir.es

sir.co

sir.cz

sir.srl

sir.lt

sir.cl

sir.estate

sir.biz

sir.co.kr

sir.gr

sir.club

Similar names

irs.cn

rsi.kz

rsi.net.au

ris.ro

sri.cat

irs.cl

isr.gouv.ht

sri.loans

ris.nl

sri.com.au

irs.rs

irs.im

isr.at

irs.co.th

ris.mk

rsi.sarl

sri.re

ris.company

irs.fr

isr.aero

irs.dk

ris.co.uk

isr.ru

rsi.im

rsi.eu

isr.nl

ris.edu.my

isr.org

sri.co.uk

isr.to

ris.wtf

irs.info

ris.to

ris.cn

ris.ind.in

sri.ru

sri.world

rsi.org.pl

isr.com.tr

isr.it

sri.org

sri.me

ris.ma

irs.me

rsi.su

rsi.ca

rsi.org.au

rsi.com

irs.nl

sri.org.vn

sri.fi

ris.gmbh

irs.direct

irs.be

ris.li

rsi.com.hk

sri.hu

irs.de

sri.nic.in

irs.ws

isr.hu

rsi.no

isr.ph

ris.org

rsi.aero

sri.institute

isr.lviv.ua

irs.expert

isr.cc

irs.com.ua

ris.nu

irs.it

irs.es

rsi.ma

DNS History

29 records (10 active, 19 former)

●NShenrik.ns.cloudflare.com2026-03-27 → 2026-07-28 · 3 obs

○ 2021-10-02 22:53:04
● 2026-03-27 03:51:52
● 2026-07-28 10:08:08

○NSns1.hosting.co.kr2016-04-28 → 2021-10-02 · 5 obs

○ 2016-02-17 00:07:24
● 2016-04-28 11:33:22
● 2021-10-02 22:53:04
○ 2026-03-27 03:51:52
○ 2026-07-28 10:08:08

○NSns1.hostingkr.net2026-03-27 → 2026-07-28 · 2 obs

○ 2026-03-27 03:51:52
○ 2026-07-28 10:08:08

○NSns16.dnszi.com2015-07-23 → 2016-02-17 · 4 obs

● 2015-07-23 03:12:12
● 2016-02-17 00:07:24
○ 2016-04-28 11:33:22
○ 2026-07-28 10:08:08

○NSns2.hosting.co.kr2016-04-28 → 2021-10-02 · 5 obs

○ 2016-02-17 00:07:24
● 2016-04-28 11:33:22
● 2021-10-02 22:53:04
○ 2026-03-27 03:51:52
○ 2026-07-28 10:08:08

○NSns2.hostingkr.net2026-03-27 → 2026-07-28 · 2 obs

○ 2026-03-27 03:51:52
○ 2026-07-28 10:08:08

○NSns55.dnszi.com2015-07-23 → 2016-02-17 · 4 obs

● 2015-07-23 03:12:12
● 2016-02-17 00:07:24
○ 2016-04-28 11:33:22
○ 2026-07-28 10:08:08

○NSns64.dnszi.com2015-07-23 → 2016-02-17 · 4 obs

● 2015-07-23 03:12:12
● 2016-02-17 00:07:24
○ 2016-04-28 11:33:22
○ 2026-07-28 10:08:08

○NSns7.dnszi.com2015-07-23 → 2016-02-17 · 4 obs

● 2015-07-23 03:12:12
● 2016-02-17 00:07:24
○ 2016-04-28 11:33:22
○ 2026-07-28 10:08:08

○NSns78.dnszi.com2015-07-23 → 2016-02-17 · 4 obs

● 2015-07-23 03:12:12
● 2016-02-17 00:07:24
○ 2016-04-28 11:33:22
○ 2026-07-28 10:08:08

●NSsloan.ns.cloudflare.com2026-03-27 → 2026-07-28 · 3 obs

○ 2021-10-02 22:53:04
● 2026-03-27 03:51:52
● 2026-07-28 10:08:08

●MXkr1-aspmx1.worksmobile.com2016-04-28 → 2026-07-28 · 2 obs

● 2016-04-28 11:33:22
● 2026-07-28 10:08:08

●MXkr1-aspmx2.worksmobile.com2016-04-28 → 2026-07-28 · 2 obs

● 2016-04-28 11:33:22
● 2026-07-28 10:08:08

○A1.234.27.1372021-10-02 → 2021-10-02 · 4 obs

○ 2021-03-14 07:55:00
● 2021-10-02 22:53:04
○ 2026-03-27 03:51:52
○ 2026-07-28 10:08:08

○A104.21.64.352026-03-27 → 2026-03-27 · 4 obs

○ 2021-10-02 22:53:04
● 2026-03-27 03:51:52
○ 2026-04-08 17:34:38
○ 2026-07-28 10:08:08

●A104.26.8.1362026-04-08 → 2026-07-28 · 3 obs

○ 2026-03-27 03:51:52
● 2026-04-08 17:34:38
● 2026-07-28 10:08:08

●A104.26.9.1362026-04-08 → 2026-07-28 · 3 obs

○ 2026-03-27 03:51:52
● 2026-04-08 17:34:38
● 2026-07-28 10:08:08

○A114.207.112.2352015-07-23 → 2016-02-06 · 4 obs

● 2015-07-23 03:12:12
● 2016-02-06 01:02:38
○ 2016-02-17 00:07:24
○ 2026-07-28 10:08:08

○A114.207.112.2492026-03-27 → 2026-07-28 · 2 obs

○ 2026-03-27 03:51:52
○ 2026-07-28 10:08:08

○A114.207.112.2502016-02-17 → 2016-02-17 · 4 obs

○ 2016-02-06 01:02:38
● 2016-02-17 00:07:24
○ 2016-04-28 11:33:22
○ 2026-07-28 10:08:08

○A125.141.133.272021-03-14 → 2021-03-14 · 4 obs

○ 2017-08-31 15:01:54
● 2021-03-14 07:55:00
○ 2021-10-02 22:53:04
○ 2026-07-28 10:08:08

○A172.67.175.2312026-03-27 → 2026-03-27 · 4 obs

○ 2021-10-02 22:53:04
● 2026-03-27 03:51:52
○ 2026-04-08 17:34:38
○ 2026-07-28 10:08:08

●A172.67.72.802026-04-08 → 2026-07-28 · 3 obs

○ 2026-03-27 03:51:52
● 2026-04-08 17:34:38
● 2026-07-28 10:08:08

○A222.237.78.782016-04-28 → 2017-08-31 · 5 obs

○ 2016-02-17 00:07:24
● 2016-04-28 11:33:22
● 2017-08-31 15:01:54
○ 2021-03-14 07:55:00
○ 2026-07-28 10:08:08

●A2606:4700:20::681a:8882026-04-08 → 2026-07-28 · 3 obs

○ 2026-03-27 03:51:52
● 2026-04-08 17:34:38
● 2026-07-28 10:08:08

●A2606:4700:20::681a:9882026-04-08 → 2026-07-28 · 3 obs

○ 2026-03-27 03:51:52
● 2026-04-08 17:34:38
● 2026-07-28 10:08:08

●A2606:4700:20::ac43:48502026-04-08 → 2026-07-28 · 3 obs

○ 2026-03-27 03:51:52
● 2026-04-08 17:34:38
● 2026-07-28 10:08:08

○A2606:4700:3030::6815:40232026-03-27 → 2026-03-27 · 4 obs

○ 2021-10-02 22:53:04
● 2026-03-27 03:51:52
○ 2026-04-08 17:34:38
○ 2026-07-28 10:08:08

○A2606:4700:3031::ac43:afe72026-03-27 → 2026-03-27 · 4 obs

○ 2021-10-02 22:53:04
● 2026-03-27 03:51:52
○ 2026-04-08 17:34:38
○ 2026-07-28 10:08:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...	-
sir.kr	henrik.ns.cloudflare.com, sloan.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.52

NS records: henrik.ns.cloudflare.com, sloan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sir.kr (unsigned zone)

⏱️ Timing

Total: 3302ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`172.67.72.80, 104.26.9.136...`
AAAA	3	`2606:4700:20::681a:988, 2606:4700:20::681a:888...`
NS	2	`henrik.ns.cloudflare.com, sloan.ns.cloudflare.com`
MX	2	`kr1-aspmx1.worksmobile.com (pri: 10), kr1-aspmx2.worksmobile.com (pri: 20)`
TXT	2	`v=spf1 include:spf.worksmobile.com ~all, v=spf1 ip4:114.207.112.251 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`henrik.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

sir.kr serves as the parent of www.sir.kr and theme.sir.kr.

IP Addresses

sir.kr points to 6 IP addresses, including 104.26.8.136, 104.26.9.136 and 172.67.72.80, plus 3 other.

www.showmetech.com.br, nordresor.se, consultasip.onsec.gob.gt plus two other host names have IP numbers in common with sir.kr.

Name Servers

DNS delegation for sir.kr points to two name servers: henrik.ns.cloudflare.com and sloan.ns.cloudflare.com.

The name server configuration of sir.kr is shared with other domains, for instance supuestonegado.com, iranmedical.net, aumentra.com and two others.

sir.kr shares at least some of its name servers with other domains, including clarusspread.com, 1xbet-rusd.top, amlradar.info and two others.

These name servers are frequently paired with the name servers trey.ns.cloudflare.com, cris.ns.cloudflare.com and alina.ns.cloudflare.com.

Hosts with 6 IP addresses each:

henrik.ns.cloudflare.com has IP addresses 108.162.195.105, 162.159.44.105 and 172.64.35.105, plus 3 other.

sloan.ns.cloudflare.com has IP addresses 108.162.194.52, 162.159.38.52 and 172.64.34.52, plus 3 other.

Mail Servers

sir.kr uses two mail servers, kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

The mail server setup of sir.kr matches that of other domains such as dsmnt.com, geobo.co.kr, bizarim.com and two others.

At least some of the mail servers used by sir.kr are shared with other domains: towerpmc.co.kr, thebenefood.co.kr, mbcmusic.co.kr and two others among them.

Both kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com have a single IP address, 125.209.209.251, and share it.

Host names pointing to 125.209.209.251 IP addresses: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

sir.kr - robtex.com

sir.kr

kr

PTR for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`sir.kr`

`kr`