dev.null.cz - dns.ninja

`dev.null.cz`

DNSSEC	⚠️ Not signed
A	2a01:430:34:0:2:0:dead:babe^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
		PTR	`dev.null.cz`
A	80.79.26.115^{🇨🇿 MASTER-AS80.79.16.0/20 MASTER-NET-2}
MX	`dev.null.cz` ⭐
		A	2a01:430:34:0:2:0:dead:babe^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`dev.null.cz`
		A	80.79.26.115^{🇨🇿 MASTER-AS80.79.16.0/20 MASTER-NET-2}

`null.cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dev.null.cz` ⭐
	NS	`puck.nether.net`
	MX	`dev.null.cz` ⭐
	TXT	`v=spf1 mx ip6:2a01:430:34:0:2:0:dead:babe ~all`
	SOA	`dev.null.cz`hostmaster@null.cz 2026-07-23 #1

WOT: SAFE (61/100)

PTR for

115.64-127.26.79.80.in-addr.arpa

e.b.a.b.d.a.e.d.0.0.0.0.2.0.0.0.0.0.0.0.4.3.0.0.0.3.4.0.1.0.a.2.ip6.arpa

NS for

stransky.com

null.cz

Previously NS for

centel.cz

MX for

null.cz

dev.null.cz

Previously MX for

centel.cz

Same first word

dev.rt.ht

dev.gold

dev.co.id

dev.bnpparibas

dev.ad

dev.space

dev.international

dev.myftp.org

dev.med

dev.wiki

dev.dn.ua

dev.s3-us-west-2.amazonaws.com

dev.dance

dev.aws

dev.cd

dev.cy

dev.com.br

dev.hm

dev.live

dev.ws

dev.ca

dev.no

dev.awsapps.com

dev.biz

dev.ltd

dev.education

dev.web.id

dev.cz

dev.exchange

dev.host

dev.work

dev.canva-apps.com

dev.black

dev.sa

dev.mine.nu

dev.com.jo

dev.lc

dev.myshopify.com

dev.adobeaemcloud.com

dev.kitchen

dev.ss

dev.tn

dev.server-on.net

dev.hu

dev.dk

dev.com.pl

dev.org.pk

dev.domains

dev.ml

dev.family

dev.org

dev.site

dev.camp

dev.marketing

dev.net

dev.agency

dev.jobs

dev.fitness

dev.com

dev.vip

dev.cam

dev.tools

dev.bo

dev.bio

dev.lt

dev.krd

dev.chat

dev.org.tr

dev.company

dev.management

dev.s3.amazonaws.com

dev.ru.net

dev.qa

dev.mx

dev.co

dev.dojin.com

dev.hr

dev.bi

dev.express

dev.co.il

dev.ro

dev.fail

dev.band

dev.fm

dev.edgesuite.net

dev.directory

dev.re

dev.coffee

dev.sh

dev.tw

dev.mo.cn

dev.co.ke

dev.business

dev.rw

dev.support

dev.rip

dev.be

dev.estate

dev.tl

dev.com.ua

Similar names

vde.us

edv.to

evd.mobi

edv.org.tr

evd.es

evd.org

ved.in

vde.com.ua

ved.ro

evd.ch

edv.hn

evd.org.cn

dev.su

dev.pe

dve.at

dev.pink

dev.to

vde.com.mx

edv.eu

vde.it

dve.be

dev.report

edv.hu

dev.org.es

dve.by

edv.expert

dve.one

dev.coupons

dev.com.bo

edv.us

dev.network

vde.co.za

ved.ai

dev.ch

dev.run

dve.es

vde.dk

dev.vc

dev.care

dev.us

dve.vn

evd.net

dev.zip

edv.com.bo

evd.com.my

ved.at

edv.info

dev.fish

ved.kiev.ua

dev.as

dev.watch

ved.es

dev.co.zw

vde.nl

ved.bz

dev.at

dev.consulting

dev.download

edv.ch

dev.ht

dev.ag

evd.lt

dve.pl

dev.ms.gov.br

vde.plus

dev.haus

dev.cards

dev.is

dev.gb.net

dev.boston

dev.lk

evd.su

ved.hu

edv.services

dev.id.au

edv.eu.com

evd.info

edv.ca

dev.bz

dev.reviews

dev.marche.it

dev.dyndns.org

ved.com.au

dev.guru

edv.center

dev.beer

DNS History

3 records (3 active, 0 former)

●MXdev.null.cz2015-08-16 → 2026-07-29 · 9 obs

● 2015-08-16 05:09:00
● 2026-06-10 16:07:30
○ 2026-06-11 03:26:36
● 2026-06-11 15:02:48
○ 2026-07-10 17:24:40
● 2026-07-10 17:59:16
○ 2026-07-24 17:00:24
● 2026-07-24 17:40:36
● 2026-07-29 11:43:26

●A2a01:430:34:0:2:0:dead:babe2015-08-16 → 2026-07-29 · 9 obs

●A80.79.26.1152015-08-16 → 2026-07-29 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	8 records
null.cz	dev.null.cz, puck.nether.net	2 records

✅ Authoritative Response

Server:80.79.26.115

NS records: dev.null.cz, puck.nether.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 959ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.79.26.115`
AAAA	1	`2a01:430:34:0:2:0:dead:babe`
MX	1	`dev.null.cz (pri: 10)`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)

Analysis

Name Server Role

dev.null.cz acts as a name server for stransky.com and null.cz.

mail.gesgroup.cz and puck.nether.net are often used as name servers in combination with dev.null.cz.

Mail Server Role

Mail for null.cz and dev.null.cz is handled by the mail server dev.null.cz.

IP Addresses

dev.null.cz points to the IP addresses 80.79.26.115 and 2a01:430:34:0:2:0:dead:babe

Mail Servers

dev.null.cz uses exactly one mail server, which is dev.null.cz.

dev.null.cz uses the same mail servers as other domains, including null.cz.

dev.null.cz directs to two IP numbers, 80.79.26.115 and 2a01:430:34:0:2:0:dead:babe.