proofofdev.com - robtex.com

proofofdev.com

DNSSEC⚠️ Not signed
A194.53.193.136🇵🇱 ITH-PL194.53.193.0/24
PTRrev1node13.kru.pl
NSns1.kru.pl ⭐
A217.182.200.139🇫🇷 OVH217.182.0.0/16
PTRnode9.kru.pl
NSns2.kru.pl
A167.235.156.239🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC
PTRmain1.kru.pl
MXmail.proofofdev.com ⭐
A194.53.193.136🇵🇱 ITH-PL194.53.193.0/24
PTRrev1node13.kru.pl
TXTv=spf1 a mx ip4:194.53.193.135 ~all
SOAns1.kru.plhostmaster@proofofdev.com 2026-02-15 #3

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

Subdomains

mail.proofofdev.com

Same first word

proofofdev.com

DNS History

20 records (4 active, 16 former)

20162017201820192020202120222023202420252026NSns1.kru.plns2.kru.plns-us.1and1-dns.comns-us.1and1-dns.dens-us.1and1-dns.orgns-us.1and1-dns.usns1041.ui-dns.bizns1041.ui-dns.comns1041.ui-dns.dens1041.ui-dns.orgMXmail.proofofdev.commx00.1and1.commx01.1and1.comA194.53.193.1362607:f1c0:1000:90fc:65e5:f009:85e4:d0022607:f1c0:1000:d:1720:b103:fdab:a8052607:f1c0:100f:f000::29f74.208.196.22174.208.236.5874.208.34.188
○NSns-us.1and1-dns.com2015-08-18 → 2017-02-18 · 4 obs
● 2015-08-18 23:56:50
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-03-20 07:29:48
○NSns-us.1and1-dns.de2015-08-18 → 2017-02-18 · 4 obs
● 2015-08-18 23:56:50
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-03-20 07:29:48
○NSns-us.1and1-dns.org2015-08-18 → 2017-02-18 · 4 obs
● 2015-08-18 23:56:50
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-03-20 07:29:48
○NSns-us.1and1-dns.us2015-08-18 → 2017-02-18 · 4 obs
● 2015-08-18 23:56:50
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-03-20 07:29:48
●NSns1.kru.pl2026-03-16 → 2026-03-20 · 3 obs
○ 2020-02-14 20:50:06
● 2026-03-16 13:56:32
● 2026-03-20 07:29:48
○NSns1041.ui-dns.biz2020-02-14 → 2020-02-14 · 4 obs
○ 2017-02-18 14:08:52
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-03-20 07:29:48
○NSns1041.ui-dns.com2020-02-14 → 2020-02-14 · 4 obs
○ 2017-02-18 14:08:52
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-03-20 07:29:48
○NSns1041.ui-dns.de2020-02-14 → 2020-02-14 · 4 obs
○ 2017-02-18 14:08:52
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-03-20 07:29:48
○NSns1041.ui-dns.org2020-02-14 → 2020-02-14 · 4 obs
○ 2017-02-18 14:08:52
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-03-20 07:29:48
●NSns2.kru.pl2026-03-16 → 2026-03-20 · 3 obs
○ 2020-02-14 20:50:06
● 2026-03-16 13:56:32
● 2026-03-20 07:29:48
●MXmail.proofofdev.com2026-03-16 → 2026-03-20 · 3 obs
○ 2020-02-14 20:50:06
● 2026-03-16 13:56:32
● 2026-03-20 07:29:48
○MXmx00.1and1.com2015-08-18 → 2020-02-14 · 4 obs
● 2015-08-18 23:56:50
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-03-20 07:29:48
○MXmx01.1and1.com2015-08-18 → 2020-02-14 · 4 obs
● 2015-08-18 23:56:50
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-03-20 07:29:48
●A194.53.193.1362026-03-16 → 2026-03-20 · 3 obs
○ 2020-02-14 20:50:06
● 2026-03-16 13:56:32
● 2026-03-20 07:29:48
○A2607:f1c0:1000:90fc:65e5:f009:85e4:d0022016-03-14 → 2017-02-18 · 5 obs
○ 2015-12-18 15:00:34
● 2016-03-14 18:42:16
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-03-20 07:29:48
○A2607:f1c0:1000:d:1720:b103:fdab:a8052015-08-18 → 2015-12-18 · 4 obs
● 2015-08-18 23:56:50
● 2015-12-18 15:00:34
○ 2016-03-14 18:42:16
○ 2026-03-20 07:29:48
○A2607:f1c0:100f:f000::29f2020-02-14 → 2020-02-14 · 4 obs
○ 2017-02-18 14:08:52
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-03-20 07:29:48
○A74.208.196.2212016-03-14 → 2017-02-18 · 5 obs
○ 2015-12-18 15:00:34
● 2016-03-14 18:42:16
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-03-20 07:29:48
○A74.208.236.582020-02-14 → 2020-02-14 · 4 obs
○ 2017-02-18 14:08:52
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-03-20 07:29:48
○A74.208.34.1882015-08-18 → 2015-12-18 · 4 obs
● 2015-08-18 23:56:50
● 2015-12-18 15:00:34
○ 2016-03-14 18:42:16
○ 2026-03-20 07:29:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...-
proofofdev.comns1.kru.pl, ns2.kru.pl-

✅ Authoritative Response

Server: 167.235.156.239

NS records: ns1.kru.pl, ns2.kru.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proofofdev.com (unsigned zone)

⏱️ Timing

Total: 1531ms | Queries: -

📄 Records

TypeCountSample Data
A1194.53.193.136
NS2ns2.kru.pl, ns1.kru.pl
MX1mail.proofofdev.com (pri: 10)
TXT1v=spf1 a mx ip4:194.53.193.135 ~all
SOA1ns1.kru.pl hostmaster.proofofdev.com

Analysis

Hierarchy

proofofdev.com is the parent of mail.proofofdev.com.

IP Addresses

proofofdev.com resolves to a single IP: 194.53.193.136.

Other host names, for instance fosa1.waw.pl, swojski-stol.pl, innoshare.pl, newmag.pl and portal-zdrowia.pl share IP numbers with proofofdev.com.

Name Servers

proofofdev.com has two name servers: ns1.kru.pl and ns2.kru.pl.

proofofdev.com shares the same name server setup as other domains, for example robotka.pl, kopras.eu, brunary.pl, nowamuzykazydowska.pl and domymax.net.

proofofdev.com shares some name servers with other domains, for example xja.pl, docieplenie-granulatem.pl, tattoosupply.at, katw.pl and upek.pl.

Host names with a single IP:

ns1.kru.pl points to 217.182.200.139

ns2.kru.pl points to 167.235.156.239

Mail Servers

proofofdev.com is handled by a single mail server, mail.proofofdev.com.

Host name mail.proofofdev.com points to IP 194.53.193.136.