k837.com - robtex.com

k837.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:19dd🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:86cb🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.221Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.203🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSedward.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cd2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedward.ns.cloudflare.com
A2803:f800:50::6ca2:c3d2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRedward.ns.cloudflare.com
A2a06:98c1:50::ac40:23d2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRedward.ns.cloudflare.com
A108.162.195.210🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedward.ns.cloudflare.com
A162.159.44.210Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedward.ns.cloudflare.com
A172.64.35.210🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedward.ns.cloudflare.com
NSshaz.ns.cloudflare.com
A2606:4700:50::a29f:26f9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshaz.ns.cloudflare.com
A2803:f800:50::6ca2:c2f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRshaz.ns.cloudflare.com
A2a06:98c1:50::ac40:22f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRshaz.ns.cloudflare.com
A108.162.194.249🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshaz.ns.cloudflare.com
A162.159.38.249Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshaz.ns.cloudflare.com
A172.64.34.249🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRshaz.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.25.221, 172.67.134.203
IPv62606:4700:3030::6815:19dd, 2606:4700:3033::ac43:86cb
SOAedward.ns.cloudflare.comdns@cloudflare.com serial=2398979400

com

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=1774418422

Same first word

k837.com
k837.net

Similar names

k873.cc
783k.top
3k78.com
7k83.online
738k.cn
k738.cn
783k.com

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSedward.ns.cloudflare.comshaz.ns.cloudflare.coma.dnspod.comb.dnspod.comc.dnspod.comA104.21.25.221172.67.134.2032606:4700:3030::6815:19dd2606:4700:3033::ac43:86cb104.203.169.193118.193.170.169198.13.110.246CNAME2.xicanpeixun.com
○NSa.dnspod.com2015-08-14 → 2016-09-26 · 4 obs
● 2015-08-14 05:11:30
● 2016-09-26 07:19:48
○ 2026-02-17 11:32:50
○ 2026-03-25 06:30:12
○NSb.dnspod.com2015-08-14 → 2016-09-26 · 4 obs
● 2015-08-14 05:11:30
● 2016-09-26 07:19:48
○ 2026-02-17 11:32:50
○ 2026-03-25 06:30:12
○NSc.dnspod.com2015-08-14 → 2016-09-26 · 4 obs
● 2015-08-14 05:11:30
● 2016-09-26 07:19:48
○ 2026-02-17 11:32:50
○ 2026-03-25 06:30:12
●NSedward.ns.cloudflare.com2026-02-17 → 2026-03-25 · 3 obs
○ 2016-09-26 07:19:48
● 2026-02-17 11:32:50
● 2026-03-25 06:30:12
●NSshaz.ns.cloudflare.com2026-02-17 → 2026-03-25 · 3 obs
○ 2016-09-26 07:19:48
● 2026-02-17 11:32:50
● 2026-03-25 06:30:12
○A104.203.169.1932015-12-01 → 2016-03-29 · 5 obs
○ 2015-08-14 05:11:30
● 2015-12-01 11:47:10
● 2016-03-29 08:34:08
○ 2016-09-26 07:19:48
○ 2026-03-25 06:30:12
●A104.21.25.2212026-02-17 → 2026-03-25 · 3 obs
○ 2016-09-26 07:19:48
● 2026-02-17 11:32:50
● 2026-03-25 06:30:12
○A118.193.170.1692016-09-26 → 2016-09-26 · 4 obs
○ 2016-03-29 08:34:08
● 2016-09-26 07:19:48
○ 2026-02-17 11:32:50
○ 2026-03-25 06:30:12
●A172.67.134.2032026-02-17 → 2026-03-25 · 3 obs
○ 2016-09-26 07:19:48
● 2026-02-17 11:32:50
● 2026-03-25 06:30:12
○A198.13.110.2462015-08-14 → 2015-08-14 · 3 obs
● 2015-08-14 05:11:30
○ 2026-02-17 11:32:50
○ 2026-03-25 06:30:12
●A2606:4700:3030::6815:19dd2026-02-17 → 2026-03-25 · 3 obs
○ 2016-09-26 07:19:48
● 2026-02-17 11:32:50
● 2026-03-25 06:30:12
●A2606:4700:3033::ac43:86cb2026-02-17 → 2026-03-25 · 3 obs
○ 2016-09-26 07:19:48
● 2026-02-17 11:32:50
● 2026-03-25 06:30:12
○CNAME2.xicanpeixun.com2015-08-14 → 2016-03-29 · 4 obs
● 2015-08-14 05:11:30
● 2016-03-29 08:34:08
○ 2016-09-26 07:19:48
○ 2026-03-25 06:30:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net...-
k837.comshaz.ns.cloudflare.com, edward.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.210

NS records: shaz.ns.cloudflare.com, edward.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k837.com (unsigned zone)

⏱️ Timing

Total: 848ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.25.221, 172.67.134.203
AAAA22606:4700:3033::ac43:86cb, 2606:4700:3030::6815:19dd
NS2edward.ns.cloudflare.com, shaz.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1edward.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (shaz.ns.cloudflare.com, shaz.ns.cloudflare.com, shaz.ns.cloudflare.com...)

Analysis

IP Addresses

k837.com maps to four IP numbers: 2606:4700:3030::6815:19dd, 2606:4700:3033::ac43:86cb, 104.21.25.221 and 172.67.134.203.

Other host names such as mail.gnfcschool.com, colf.eu, catfeld.com, watchup.org and crohnos.com share IPs with k837.com.

Name Servers

Two name servers edward.ns.cloudflare.com and shaz.ns.cloudflare.com handle the delegation for k837.com.

k837.com shares the same name server setup as other domains, for example jf561.com, zqtylw.com, lintongshiliu.net, sxlykj.com and greenvillewindowtreatments.com.

k837.com at least partially shares name servers with other domains, for example gene-regulation.com, billo.cn, plinkoapp.co.uk, 0-god.us and sybtesting.com.

These name servers are commonly used with tadeo.ns.cloudflare.com and lilyana.ns.cloudflare.com and liz.ns.cloudflare.com.

Host names with six IP numbers:

edward.ns.cloudflare.com points to 2606:4700:58::a29f:2cd2, 2803:f800:50::6ca2:c3d2, 2a06:98c1:50::ac40:23d2, 108.162.195.210, 162.159.44.210 and 172.64.35.210.

shaz.ns.cloudflare.com points to 2606:4700:50::a29f:26f9, 2803:f800:50::6ca2:c2f9, 2a06:98c1:50::ac40:22f9, 108.162.194.249, 162.159.38.249 and 172.64.34.249.