jvacek.com - robtex.com

jvacek.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:36d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8295🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.109Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.149🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrad.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b69🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
A2803:f800:50::6ca2:c169🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrad.ns.cloudflare.com
A2a06:98c1:50::ac40:2169🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrad.ns.cloudflare.com
A108.162.193.105🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
A172.64.33.105🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
A173.245.59.105🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
NSerin.ns.cloudflare.com
A2606:4700:50::adf5:3a71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
A2803:f800:50::6ca2:c071🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRerin.ns.cloudflare.com
A2a06:98c1:50::ac40:2071🇺🇸 Cloudflare2a06:98c1:50::/45
PTRerin.ns.cloudflare.com
A108.162.192.113🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
A172.64.32.113🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
A173.245.58.113🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTgoogle-site-verification=MnvMlmPzXF-GwdYZ3QH7aniuNjw8mjSLOjK9S2_7U8s
TXTv=spf1 include:_spf.google.com include:_spf.svethostingu.cz -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.3.109, 172.67.130.149
IPv62606:4700:3031::6815:36d, 2606:4700:3036::ac43:8295
SOAbrad.ns.cloudflare.comdns@cloudflare.com serial=2396703076

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=1771291435

Same first word

jvacek.eu

Similar names

evjack.com

DNS History

19 records (11 active, 8 former)

20162017201820192020202120222023202420252026NSbrad.ns.cloudflare.comerin.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA104.21.3.109172.67.130.1492606:4700:3031::6815:36d2606:4700:3036::ac43:8295104.28.30.41104.28.31.412400:cb00:2048:1::681c:1e292400:cb00:2048:1::681c:1f29
●NSbrad.ns.cloudflare.com2015-07-11 → 2026-03-11 · 2 obs
● 2015-07-11 01:45:36
● 2026-03-11 12:10:46
●NSerin.ns.cloudflare.com2015-07-11 → 2026-03-11 · 2 obs
● 2015-07-11 01:45:36
● 2026-03-11 12:10:46
●MXalt1.aspmx.l.google.com2015-07-11 → 2026-03-11 · 2 obs
● 2015-07-11 01:45:36
● 2026-03-11 12:10:46
●MXalt2.aspmx.l.google.com2015-07-11 → 2026-03-11 · 2 obs
● 2015-07-11 01:45:36
● 2026-03-11 12:10:46
●MXalt3.aspmx.l.google.com2018-05-28 → 2026-03-11 · 3 obs
○ 2016-12-20 10:43:44
● 2018-05-28 07:04:06
● 2026-03-11 12:10:46
●MXalt4.aspmx.l.google.com2018-05-28 → 2026-03-11 · 3 obs
○ 2016-12-20 10:43:44
● 2018-05-28 07:04:06
● 2026-03-11 12:10:46
●MXaspmx.l.google.com2015-07-11 → 2026-03-11 · 2 obs
● 2015-07-11 01:45:36
● 2026-03-11 12:10:46
○MXaspmx2.googlemail.com2015-07-11 → 2016-12-20 · 4 obs
● 2015-07-11 01:45:36
● 2016-12-20 10:43:44
○ 2018-05-28 07:04:06
○ 2026-03-11 12:10:46
○MXaspmx3.googlemail.com2015-07-11 → 2016-12-20 · 4 obs
● 2015-07-11 01:45:36
● 2016-12-20 10:43:44
○ 2018-05-28 07:04:06
○ 2026-03-11 12:10:46
○MXaspmx4.googlemail.com2015-07-11 → 2016-12-20 · 4 obs
● 2015-07-11 01:45:36
● 2016-12-20 10:43:44
○ 2018-05-28 07:04:06
○ 2026-03-11 12:10:46
○MXaspmx5.googlemail.com2015-07-11 → 2016-12-20 · 4 obs
● 2015-07-11 01:45:36
● 2016-12-20 10:43:44
○ 2018-05-28 07:04:06
○ 2026-03-11 12:10:46
●A104.21.3.1092026-03-11 → 2026-03-11 · 3 obs
○ 2018-05-28 07:04:06
● 2026-03-11 12:10:44
● 2026-03-11 12:10:46
○A104.28.30.412015-07-11 → 2018-05-28 · 4 obs
● 2015-07-11 01:45:36
● 2018-05-28 07:04:06
○ 2026-03-11 12:10:44
○ 2026-03-11 12:10:46
○A104.28.31.412015-07-11 → 2018-05-28 · 4 obs
● 2015-07-11 01:45:36
● 2018-05-28 07:04:06
○ 2026-03-11 12:10:44
○ 2026-03-11 12:10:46
●A172.67.130.1492026-03-11 → 2026-03-11 · 3 obs
○ 2018-05-28 07:04:06
● 2026-03-11 12:10:44
● 2026-03-11 12:10:46
○A2400:cb00:2048:1::681c:1e292016-11-23 → 2018-05-28 · 5 obs
○ 2015-07-11 01:45:36
● 2016-11-23 18:55:10
● 2018-05-28 07:04:06
○ 2026-03-11 12:10:44
○ 2026-03-11 12:10:46
○A2400:cb00:2048:1::681c:1f292016-11-23 → 2018-05-28 · 5 obs
○ 2015-07-11 01:45:36
● 2016-11-23 18:55:10
● 2018-05-28 07:04:06
○ 2026-03-11 12:10:44
○ 2026-03-11 12:10:46
●A2606:4700:3031::6815:36d2026-03-11 → 2026-03-11 · 3 obs
○ 2018-05-28 07:04:06
● 2026-03-11 12:10:44
● 2026-03-11 12:10:46
●A2606:4700:3036::ac43:82952026-03-11 → 2026-03-11 · 3 obs
○ 2018-05-28 07:04:06
● 2026-03-11 12:10:44
● 2026-03-11 12:10:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...-
jvacek.combrad.ns.cloudflare.com, erin.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.193.105

NS records: brad.ns.cloudflare.com, erin.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 295ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.3.109, 172.67.130.149
AAAA22606:4700:3036::ac43:8295, 2606:4700:3031::6815:36d
NS2brad.ns.cloudflare.com, erin.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=MnvMlmPzXF-GwdY, v=spf1 include:_spf.google.com include:_
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brad.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

jvacek.com points to four IP numbers: 2606:4700:3031::6815:36d, 2606:4700:3036::ac43:8295, 104.21.3.109 and 172.67.130.149.

For instance, other host names rohnertchamberccmloan.com, webbiz.aus.to, karar.memurlar.net, f-h.dk and ww198zja.854f31ce.com share IP numbers with jvacek.com.

Name Servers

jvacek.com is delegated to two name servers: brad.ns.cloudflare.com and erin.ns.cloudflare.com.

jvacek.com uses the same name server setup as other domains such as notecactus.com, prscripts.com, stratus5.com, globus.software and hungnkit.com.cn.

jvacek.com shares name servers with other domains at least partially, for example slslrc.org.uk, videoble.com, blogblogs.com, labrum.eu and devoffice.com.

These name servers are commonly used with sandy.ns.cloudflare.com.

Host names with six IP numbers: host name brad.ns.cloudflare.com points to: 2606:4700:58::adf5:3b69, 2803:f800:50::6ca2:c169, 2a06:98c1:50::ac40:2169, 108.162.193.105, 172.64.33.105 and 173.245.59.105; host name erin.ns.cloudflare.com points to: 2606:4700:50::adf5:3a71, 2803:f800:50::6ca2:c071, 2a06:98c1:50::ac40:2071, 108.162.192.113, 172.64.32.113 and 173.245.58.113.

Mail Servers

Five mail servers handle jvacek.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

jvacek.com shares mail servers with other domains at least partially; for instance adkaora.tools, grillpartsforless.com, ns500699.ns500699.ns500693.ns500699.ns500693.ns500734.ns500699.ns500699.ns500699.ns500693.ns500699.ns500588.ns500588.ns500112.dtrkdll.com, ns500742.ns500731.ns500731.ns500754.ns500742.ns500742.ns500731.ns500754.ns500704.ns500671.ns500688.ns500671.ns500671.ns500671.ns500131.lustychickser.com and ns500754.ns500731.ns500754.ns500731.ns500671.ns500731.ns500731.ns500705.ns500688.ns500705.ns500649.ns500666.lustychickser.com.

these mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26

alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26

alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27