simtel.pl - dns.ninja

simtel.pl

DNSSEC⚠️ Not signed
A178.255.42.58🇵🇱 ARTNET178.255.42.0/24 Artnet Sp. z o.o.
PTRmurgos.koti.pl
NSns11.rgb365.eu ⭐
A83.143.131.250🇵🇱 NFB-AS83.143.128.0/21 Network For Business Sp. z o.o.
PTR538f83fa.as35174.net
NSns12.rgb365.eu
A83.143.132.250🇵🇱 NFB-AS83.143.128.0/21 Network For Business Sp. z o.o.
PTR538f84fa.as35174.net
NSns13.rgb365.eu ⚠️ Not in parent delegation
A83.143.134.250🇵🇱 NFB-AS83.143.128.0/21 Network For Business Sp. z o.o.
PTR538f86fa.as35174.net
MXsimtel-pl.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::1🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:ca04::7🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00307.inbound.protection.outlook.com
A2a01:111:f403:ca04::8🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db5pr02cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::9🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr04cu00801.inbound.protection.outlook.com
A52.101.68.16🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.68.18🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00302.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
A52.101.73.6🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am6pr04cu00306.inbound.protection.outlook.com
TXTMS=ms33231331
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns11.rgb365.eupawel\@jaworski.simtel.pl 2026-05-14 #1

pl

DNSSEC🔒 Signed (DS record present)
NSa-dns.pl ⭐
NSb-dns.pl
NSd-dns.pl
NSf-dns.pl
NSh-dns.pl
NSj-dns.pl
TXTccTLD of Poland
SOAa-dns.pldnsmaster@nask.pl serial=1785825200

Subdomains

serwis.simtel.pl
autodiscover.simtel.pl
www.simtel.pl

Same first word

simtel.co.za
simtel.ru
simtel.net
simtel.jp
simtel.it
simtel.pl
simtel.se
simtel.ir
simtel.de
simtel.in
simtel.lv
simtel.com.br
simtel.ro
simtel.nl
simtel.com.au
simtel.si
simtel.com.tr
simtel.com
simtel.biz
simtel.eu

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silmet.co.il
temlis.com
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telsim.info
smlite.com
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DNS History

15 records (5 active, 10 former)

200920112013201520172019202120232025NSns11.rgb365.euns12.rgb365.euns13.rgb365.euns.simtel.plns1.nazwa.plns2.nazwa.plns3.nazwa.plrtr.vigo.gda.plMXsimtel-pl.mail.protection.outlook.commail.simtel.plpoczta.simtel.plA178.255.42.5877.55.19.22383.3.246.25185.128.240.127
○NSns.simtel.pl2008-10-29 → 2008-10-29 · 3 obs
● 2008-10-29 19:22:56
○ 2015-08-01 02:18:34
○ 2026-08-04 19:51:28
○NSns1.nazwa.pl2015-08-01 → 2020-01-31 · 5 obs
○ 2008-10-29 19:22:56
● 2015-08-01 02:18:34
● 2020-01-31 21:54:04
○ 2026-02-17 20:40:56
○ 2026-08-04 19:51:28
●NSns11.rgb365.eu2026-02-17 → 2026-08-04 · 3 obs
○ 2020-01-31 21:54:04
● 2026-02-17 20:40:56
● 2026-08-04 19:51:28
●NSns12.rgb365.eu2026-02-17 → 2026-08-04 · 3 obs
○ 2020-01-31 21:54:04
● 2026-02-17 20:40:56
● 2026-08-04 19:51:28
●NSns13.rgb365.eu2026-02-17 → 2026-08-04 · 3 obs
○ 2020-01-31 21:54:04
● 2026-02-17 20:40:56
● 2026-08-04 19:51:28
○NSns2.nazwa.pl2015-08-01 → 2020-01-31 · 5 obs
○ 2008-10-29 19:22:56
● 2015-08-01 02:18:34
● 2020-01-31 21:54:04
○ 2026-02-17 20:40:56
○ 2026-08-04 19:51:28
○NSns3.nazwa.pl2015-08-01 → 2020-01-31 · 5 obs
○ 2008-10-29 19:22:56
● 2015-08-01 02:18:34
● 2020-01-31 21:54:04
○ 2026-02-17 20:40:56
○ 2026-08-04 19:51:28
○NSrtr.vigo.gda.pl2008-10-29 → 2008-10-29 · 3 obs
● 2008-10-29 19:22:56
○ 2015-08-01 02:18:34
○ 2026-08-04 19:51:28
○MXmail.simtel.pl2020-01-31 → 2020-01-31 · 4 obs
○ 2017-02-12 19:29:50
● 2020-01-31 21:54:04
○ 2026-02-17 20:40:56
○ 2026-08-04 19:51:28
○MXpoczta.simtel.pl2008-10-29 → 2017-02-12 · 4 obs
● 2008-10-29 19:22:56
● 2017-02-12 19:29:50
○ 2020-01-31 21:54:04
○ 2026-08-04 19:51:28
●MXsimtel-pl.mail.protection.outlook.com2026-02-17 → 2026-08-04 · 3 obs
○ 2020-01-31 21:54:04
● 2026-02-17 20:40:56
● 2026-08-04 19:51:28
●A178.255.42.582026-02-17 → 2026-08-04 · 3 obs
○ 2020-01-31 21:54:04
● 2026-02-17 20:40:56
● 2026-08-04 19:51:28
○A77.55.19.2232015-08-01 → 2017-02-12 · 5 obs
○ 2008-10-29 19:22:56
● 2015-08-01 02:18:34
● 2017-02-12 19:29:50
○ 2020-01-31 21:54:04
○ 2026-08-04 19:51:28
○A83.3.246.2512008-10-29 → 2008-10-29 · 3 obs
● 2008-10-29 19:22:56
○ 2015-08-01 02:18:34
○ 2026-08-04 19:51:28
○A85.128.240.1272020-01-31 → 2020-01-31 · 4 obs
○ 2017-02-12 19:29:50
● 2020-01-31 21:54:04
○ 2026-02-17 20:40:56
○ 2026-08-04 19:51:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...-
simtel.plns11.rgb365.eu, ns12.rgb365.eu-

✅ Authoritative Response

Server:83.143.132.250

NS records: ns11.rgb365.eu, ns12.rgb365.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simtel.pl (unsigned zone)

⏱️ Timing

Total: 1000ms | Queries: -

📄 Records

TypeCountSample Data
A1178.255.42.58
NS3ns11.rgb365.eu, ns13.rgb365.eu...
MX1simtel-pl.mail.protection.outlook.com (p
TXT2v=spf1 include:spf.protection.outlook.co, MS=ms33231331
SOA1ns11.rgb365.eu pawel\.jaworski.simtel.pl

Analysis

Hierarchy

The domain simtel.pl is parent to serwis.simtel.pl, autodiscover.simtel.pl and www.simtel.pl.

IP Addresses

simtel.pl points to a single IP number: 178.255.42.58.

Additional host names — tech-bud-jv.com.pl, wedzarnia.koti.pl, ddd-blacharstwo.pl and two others — share IP numbers with simtel.pl.

Name Servers

simtel.pl carries NS records delegating to ns11.rgb365.eu, ns12.rgb365.eu and ns13.rgb365.eu.

At least some of simtel.pl's name servers are shared with other domains, for example edler.pl, kontrola.pl, nasza-szkola.pl and two more.

ns11.rgb365.eu points to 83.143.131.250; ns12.rgb365.eu points to 83.143.132.250; ns13.rgb365.eu points to 83.143.134.250 — each hostname maps to exactly one IP address.

Mail Servers

simtel.pl has one mail server: simtel-pl.mail.protection.outlook.com.

simtel-pl.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.16, 52.101.68.18, 52.101.73.1 and 5 other.