deepblue.cz - robtex.com

deepblue.cz

cz

DNSSECπŸ”’ Signed (DS record present)
NSa.ns.nic.cz ⭐ πŸ”’
NSb.ns.nic.cz πŸ”’
NSc.ns.nic.cz πŸ”’
NSd.ns.nic.cz πŸ”’
SOAa.ns.nic.czhostmaster@nic.cz serial=1771291036

Same first word

Similar names

DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026NSns1.cnw.czns2.cnw.czMXsmtp.google.commail.cnw.czA139.59.157.19988.86.107.63
●NSns1.cnw.cz2015-05-19 β†’ 2026-03-02 Β· 2 obs
● 2015-05-19 19:03:36
● 2026-03-02 07:34:56
●NSns2.cnw.cz2015-05-19 β†’ 2026-03-02 Β· 2 obs
● 2015-05-19 19:03:36
● 2026-03-02 07:34:56
β—‹MXmail.cnw.cz2015-05-19 β†’ 2017-05-21 Β· 4 obs
● 2015-05-19 19:03:36
● 2017-05-21 20:23:18
β—‹ 2026-02-24 23:44:54
β—‹ 2026-03-02 07:34:56
●MXsmtp.google.com2026-02-24 β†’ 2026-03-02 Β· 3 obs
β—‹ 2017-05-21 20:23:18
● 2026-02-24 23:44:54
● 2026-03-02 07:34:56
●A139.59.157.1992026-02-24 β†’ 2026-03-02 Β· 3 obs
β—‹ 2017-05-21 20:23:18
● 2026-02-24 23:44:54
● 2026-03-02 07:34:56
β—‹A88.86.107.632015-05-19 β†’ 2017-05-21 Β· 4 obs
● 2015-05-19 19:03:36
● 2017-05-21 20:23:18
β—‹ 2026-02-24 23:44:54
β—‹ 2026-03-02 07:34:56

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
deepblue.czns1.cnw.cz, ns2.cnw.cz4 records

βœ… Authoritative Response

Server: 85.163.10.45

NS records: ns1.cnw.cz, ns2.cnw.cz

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for deepblue.cz (unsigned zone)

⏱️ Timing

Total: 1231ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1139.59.157.199
NS2ns2.cnw.cz, ns1.cnw.cz
MX1smtp.google.com (pri: 5)
TXT2v=spf1 include:_spf.google.com ~all, google-site-verification=1RqZn9SQEG5ImDj
SOA1ns1.cnw.cz root.ns1.cnw.cz

πŸ“Œ Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.cnw.cz, ns2.cnw.cz, ns1.cnw.cz...)

Analysis

IP Addresses

deepblue.cz points to a single IP: 139.59.157.199.

Other host names, for instance auksys.com, mail.ballatermedical.com, cfoclub.cz, ns2.hovorkajakub.cz and amatika.cz share IP numbers with deepblue.cz.

Name Servers

Two name servers ns1.cnw.cz and ns2.cnw.cz handle delegation for deepblue.cz.

deepblue.cz uses the same name server setup as other domains, for example paslode.sk, paslode.cz, rcshop.cz, interstat.cz and foukaneizolace.com.

deepblue.cz partially shares name servers with other domains; examples include 98.163.85.in-addr.arpa, 45.10.163.85.in-addr.arpa, cnw.cz, redrock-cz.com and 66.163.85.in-addr.arpa.

these name servers are commonly used with the name servers ns3.cnw.cz.

Host names with two IP numbers:

ns1.cnw.cz points to: 2a07:1f41:0:500::2d and 85.163.10.45

ns2.cnw.cz points to: 2001:4de8:b1b3::2 and 195.122.209.138

Mail Servers

deepblue.cz is handled by a single mail server, smtp.google.com.

deepblue.cz has the same mail server setup as other domains, including investorweb.no, drpengdds.com, tsk2.com, managedbyq.ae and dailytarotreading.com.

deepblue.cz shares some mail servers with other domains, at least partially, such as yoloru.com, ngu.ac.in, tving.com, rfdautoparts.com and kisancricket.com.

these mail servers are often used alongside alt2.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx.l.google.com.

smtp.google.com points to nine IP numbers: 2607:f8b0:4023:1004::1a, 2607:f8b0:4023:1004::1b, 2607:f8b0:4023:1011::1a, 2607:f8b0:4023:1011::1b, 142.250.26.26, 142.250.26.27, 142.250.114.27, 142.250.115.26 and 142.250.115.27.