proofofdev.com - robtex.com
proofofdev.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.53.193.136🇵🇱 ITH-PL194.53.193.0/24 | ||||||
| PTR | rev1node13.kru.pl | ||||||
| NS | ns1.kru.pl ⭐ | ||||||
| A | 217.182.200.139🇫🇷 OVH217.182.0.0/16 | ||||||
| PTR | node9.kru.pl | ||||||
| NS | ns2.kru.pl | ||||||
| A | 167.235.156.239🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC | ||||||
| PTR | main1.kru.pl | ||||||
| MX | mail.proofofdev.com ⭐ | ||||||
| A | 194.53.193.136🇵🇱 ITH-PL194.53.193.0/24 | ||||||
| PTR | rev1node13.kru.pl | ||||||
| TXT | v=spf1 a mx ip4:194.53.193.135 ~all | ||||||
| SOA | ns1.kru.plhostmaster@proofofdev.com 2026-04-30 #3 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783753447 | ||||||
Subdomains
mail.proofofdev.com |
Same first word
proofofdev.com |
DNS History
20 records (4 active, 16 former)
○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
○ 2026-07-11 07:34:26
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-07-11 07:34:26
●NSns1.kru.pl2026-03-16 → 2026-07-11 · 6 obs
○ 2020-02-14 20:50:06
● 2026-03-16 13:56:32
● 2026-05-13 03:47:08
○ 2026-05-13 07:54:38
● 2026-06-05 10:24:22
● 2026-07-11 07:34:26
● 2026-03-16 13:56:32
● 2026-05-13 03:47:08
○ 2026-05-13 07:54:38
● 2026-06-05 10:24:22
● 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-07-11 07:34:26
●NSns2.kru.pl2026-03-16 → 2026-07-11 · 6 obs
○ 2020-02-14 20:50:06
● 2026-03-16 13:56:32
● 2026-05-13 03:47:08
○ 2026-05-13 07:54:38
● 2026-06-05 10:24:22
● 2026-07-11 07:34:26
● 2026-03-16 13:56:32
● 2026-05-13 03:47:08
○ 2026-05-13 07:54:38
● 2026-06-05 10:24:22
● 2026-07-11 07:34:26
●MXmail.proofofdev.com2026-03-16 → 2026-07-11 · 6 obs
○ 2020-02-14 20:50:06
● 2026-03-16 13:56:32
● 2026-05-13 03:47:08
○ 2026-05-13 07:54:38
● 2026-06-05 10:24:22
● 2026-07-11 07:34:26
● 2026-03-16 13:56:32
● 2026-05-13 03:47:08
○ 2026-05-13 07:54:38
● 2026-06-05 10:24:22
● 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-07-11 07:34:26
●A194.53.193.1362026-03-16 → 2026-07-11 · 6 obs
○ 2020-02-14 20:50:06
● 2026-03-16 13:56:32
● 2026-05-13 03:47:08
○ 2026-05-13 07:54:38
● 2026-06-05 10:24:22
● 2026-07-11 07:34:26
● 2026-03-16 13:56:32
● 2026-05-13 03:47:08
○ 2026-05-13 07:54:38
● 2026-06-05 10:24:22
● 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2016-03-14 18:42:16
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2015-12-18 15:00:34
○ 2016-03-14 18:42:16
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2016-03-14 18:42:16
● 2017-02-18 14:08:52
○ 2020-02-14 20:50:06
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2020-02-14 20:50:06
○ 2026-03-16 13:56:32
○ 2026-07-11 07:34:26
○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
○ 2026-07-11 07:34:26
● 2015-12-18 15:00:34
○ 2016-03-14 18:42:16
○ 2026-07-11 07:34:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| proofofdev.com | ns1.kru.pl, ns2.kru.pl | - |
✅ Authoritative Response
Server:217.182.200.139
NS records: ns1.kru.pl, ns2.kru.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for proofofdev.com (unsigned zone)
⏱️ Timing
Total: 801ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.53.193.136 |
| NS | 2 | ns1.kru.pl, ns2.kru.pl |
| MX | 1 | mail.proofofdev.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:194.53.193.135 ~all |
| SOA | 1 | ns1.kru.pl hostmaster.proofofdev.com |
Analysis
Hierarchy
mail.proofofdev.com is delegated beneath proofofdev.com.
IP Addresses
proofofdev.com resolves to just one IP address, 194.53.193.136.
Two other host names, along with mail.d3p.pl, fosa1.waw.pl and nagrany.pl, also share IP numbers with proofofdev.com.
Name Servers
The NS records for proofofdev.com delegate to ns1.kru.pl and ns2.kru.pl.
proofofdev.com shares its NS records with other domains, for example robotka.pl, kopras.eu, brunary.pl and two others.
There is at least partial name server overlap between proofofdev.com and other domains — bez-limitu.pl, ptbnm.pl, adamoleks.com and two more among them.
ns1.kru.pl → 217.182.200.139 and ns2.kru.pl → 167.235.156.239: one IP number per host name.
Mail Servers
The sole mail server for proofofdev.com is mail.proofofdev.com.
mail.proofofdev.com resolves to 194.53.193.136 and no other IP number.