core-k.com - robtex.com

core-k.com

DNSSEC⚠️ Not signed
A125.253.92.186🇸🇬 PHOENIXNAP-AS-SG1125.253.92.0/24
PTRserver8.webhostbd.net
NSns1.webhostbd.net ⭐
A45.76.79.121🇺🇸 AS-VULTR45.76.64.0/20 Vultr Assigned Prefix
PTR45.76.79.121.vultrusercontent.com
NSns2.webhostbd.net
A139.162.19.72🇸🇬 AKAMAI-LINODE-AP139.162.0.0/19 Akamai Technologies
PTR139-162-19-72.ip.linodeusercontent.com
MXsmtp.google.com ⭐
A2607:f8b0:4023:c03::1a🇺🇸 Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A2607:f8b0:4023:c03::1b🇺🇸 Google2607:f8b0::/32
PTRdy-in-f27.1e100.net
A2607:f8b0:4023:c06::1a🇺🇸 Google2607:f8b0::/32
PTRdz-in-f26.1e100.net
A2607:f8b0:4023:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A74.125.137.26🇺🇸 Google74.125.137.0/24
PTRdy-in-f26.1e100.net
A74.125.137.27🇺🇸 Google74.125.137.0/24
PTRdy-in-f27.1e100.net
A142.250.101.26🇺🇸 Google142.250.101.0/24
PTRdz-in-f26.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
A142.251.2.27🇺🇸 Google142.251.2.0/24
PTRdl-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4003:c4a::1a🇺🇸 Google2607:f8b0:4003::/48
PTRyutulth-in-f26.1e100.net
A142.251.96.26🇺🇸 Google142.250.0.0/15
PTRyutulth-in-f26.1e100.net
TXTv=spf1 +a +mx +ip4:125.253.92.186 ~all
SOAns1.webhostbd.netadmin@webhostbd.com 2025-12-18 #0

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=1774933137

Same first word

core-k.com

Similar names

e-rock.net
e-rock.de
kr-ceo.com
k-core.co.jp
k-core.net
rock-e.ca
k-core.com
creo-k.com
e-rock.pl
e-rock.ru

DNS History

12 records (8 active, 4 former)

20162017201820192020202120222023202420252026NSns1.webhostbd.netns2.webhostbd.netns.inmotionhosting.comns2.inmotionhosting.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comsmtp.google.comaspmx.l.google.comA125.253.92.186198.46.81.166
○NSns.inmotionhosting.com2015-07-18 → 2017-07-01 · 4 obs
● 2015-07-18 13:49:56
● 2017-07-01 19:12:52
○ 2026-03-26 19:13:38
○ 2026-03-31 05:25:42
●NSns1.webhostbd.net2026-03-26 → 2026-03-31 · 3 obs
○ 2017-07-01 19:12:52
● 2026-03-26 19:13:38
● 2026-03-31 05:25:42
○NSns2.inmotionhosting.com2015-07-18 → 2017-07-01 · 4 obs
● 2015-07-18 13:49:56
● 2017-07-01 19:12:52
○ 2026-03-26 19:13:38
○ 2026-03-31 05:25:42
●NSns2.webhostbd.net2026-03-26 → 2026-03-31 · 3 obs
○ 2017-07-01 19:12:52
● 2026-03-26 19:13:38
● 2026-03-31 05:25:42
●MXalt1.aspmx.l.google.com2015-07-18 → 2026-03-31 · 2 obs
● 2015-07-18 13:49:56
● 2026-03-31 05:25:42
●MXalt2.aspmx.l.google.com2015-07-18 → 2026-03-31 · 2 obs
● 2015-07-18 13:49:56
● 2026-03-31 05:25:42
●MXalt3.aspmx.l.google.com2015-07-18 → 2026-03-31 · 2 obs
● 2015-07-18 13:49:56
● 2026-03-31 05:25:42
●MXalt4.aspmx.l.google.com2015-07-18 → 2026-03-31 · 2 obs
● 2015-07-18 13:49:56
● 2026-03-31 05:25:42
○MXaspmx.l.google.com2015-07-18 → 2017-07-01 · 4 obs
● 2015-07-18 13:49:56
● 2017-07-01 19:12:52
○ 2026-03-26 19:13:38
○ 2026-03-31 05:25:42
●MXsmtp.google.com2026-03-26 → 2026-03-31 · 3 obs
○ 2017-07-01 19:12:52
● 2026-03-26 19:13:38
● 2026-03-31 05:25:42
●A125.253.92.1862026-03-26 → 2026-03-31 · 3 obs
○ 2017-07-01 19:12:52
● 2026-03-26 19:13:38
● 2026-03-31 05:25:42
○A198.46.81.1662015-07-18 → 2017-07-01 · 4 obs
● 2015-07-18 13:49:56
● 2017-07-01 19:12:52
○ 2026-03-26 19:13:38
○ 2026-03-31 05:25:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net...-
core-k.comns1.webhostbd.net, ns2.webhostbd.net-

✅ Authoritative Response

Server:45.76.79.121

NS records: ns1.webhostbd.net, ns2.webhostbd.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core-k.com (unsigned zone)

⏱️ Timing

Total: 710ms | Queries: -

📄 Records

TypeCountSample Data
A1125.253.92.186
NS2ns1.webhostbd.net, ns2.webhostbd.net
MX5ALT3.ASPMX.L.GOOGLE.com (pri: 10), smtp.GOOGLE.com (pri: 1)...
TXT1v=spf1 +a +mx +ip4:125.253.92.186 ~all
SOA1ns1.webhostbd.net admin.webhostbd.com

Analysis

IP Addresses

core-k.com resolves to a single IP: 125.253.92.186.

Other host names, for instance goldlive.net, server8.webhostbd.net, bci.edu.bd, guardtechbd.com and napeinfo.com share IP numbers with core-k.com.

Name Servers

core-k.com has two name servers: ns1.webhostbd.net and ns2.webhostbd.net.

core-k.com shares the same name server setup as other domains, for example bmhbd.com, ftpcloud.org, pvanews.com, faizafashionbd.com and techbdzone.com.

core-k.com at least partially shares name servers with other domains; for example bdkor.com.bd and seaglory.com.bd; hredoy.com and oxygencylindersupplierdhaka.com.

These name servers are commonly used together with ns7.webhostbd.net and ns8.webhostbd.net.

Host names with a single IP:

ns1.webhostbd.net points to 45.76.79.121

ns2.webhostbd.net points to 139.162.19.72

Mail Servers

core-k.com is handled by five mail servers: smtp.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

core-k.com shares some mail servers with other domains, at least partially; for instance ns500821.ns500841.ns500821.ns500794.ns500794.ns500821.ns500821.ns500821.lustypartnersfinder.com, cwb.us, younetco.com, deltatech.co.in and americanhousekeeping.com.

these mail servers are commonly used alongside aspmx.l.google.com, aspmx3.googlemail.com and aspmx2.googlemail.com.

Nine IPs for smtp.google.com: 2607:f8b0:4023:c03::1a, 2607:f8b0:4023:c03::1b, 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c0d::1b, 74.125.137.26, 74.125.137.27, 142.250.101.26, 142.250.101.27 and 142.251.2.27.

Two IPs for alt1.aspmx.l.google.com: 2607:f8b0:4023:2801::1a and 192.178.128.27.

Two IPs for alt2.aspmx.l.google.com: 2a00:1450:400b:c02::1a and 172.253.116.27.

Two IPs for alt3.aspmx.l.google.com: 2607:f8b0:4023:3003::1a and 172.253.145.27.

Two IPs for alt4.aspmx.l.google.com: 2607:f8b0:4003:c4a::1a and 142.251.96.26.