work-study.org - dns.ninja

work-study.org

DNSSEC⚠️ Not signed
A185.199.38.40🇧🇬 DELTA-BG-AS185.199.38.0/24
PTRjump21.jump.bg
NSns41.jumpdns.net ⭐
A185.199.38.40🇧🇬 DELTA-BG-AS185.199.38.0/24
PTRjump21.jump.bg
NSns42.jumpdns.net
A185.199.38.41🇧🇬 DELTA-BG-AS185.199.38.0/24
PTRns42.jumpdns.net
MXwork-study.org ⭐
A185.199.38.40🇧🇬 DELTA-BG-AS185.199.38.0/24
PTRjump21.jump.bg
TXTv=spf1 +a +mx +ip4:185.199.38.40 ~all
SOAns41.jumpdns.netcpanel@jump.bg 2026-07-10 #1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1783729581

MX for

work-study.org

Same first word

work-study.ru
work-study.cn
work-study.com
work-study.ch
work-study.org

Similar names

study-work.ru
study-work.de
study-work.com.ua
study-work.net
study-work.com

DNS History

20 records (4 active, 16 former)

20162017201820192020202120222023202420252026NSns41.jumpdns.netns42.jumpdns.netns1.cooljuly.comns1.fabulous.comns2.cooljuly.comns2.fabulous.comns255.superhosting.bgns256.superhosting.bgMXwork-study.orgmail.b-io.coA185.199.38.40173.254.50.37185.45.66.209208.48.81.133208.48.81.134208.48.81.17964.15.205.10064.15.205.10174.220.199.1498.124.245.24
○NSns1.cooljuly.com2016-07-04 → 2016-07-04 · 4 obs
○ 2016-03-08 14:25:52
● 2016-07-04 13:02:54
○ 2026-02-18 11:07:12
○ 2026-07-11 01:03:28
○NSns1.fabulous.com2015-08-19 → 2015-12-06 · 4 obs
● 2015-08-19 02:34:38
● 2015-12-06 23:11:04
○ 2016-07-04 13:02:54
○ 2026-07-11 01:03:28
○NSns2.cooljuly.com2016-07-04 → 2016-07-04 · 4 obs
○ 2016-03-08 14:25:52
● 2016-07-04 13:02:54
○ 2026-02-18 11:07:12
○ 2026-07-11 01:03:28
○NSns2.fabulous.com2015-08-19 → 2016-03-08 · 4 obs
● 2015-08-19 02:34:38
● 2016-03-08 14:25:52
○ 2016-07-04 13:02:54
○ 2026-07-11 01:03:28
○NSns255.superhosting.bg2026-02-18 → 2026-03-08 · 5 obs
○ 2016-07-04 13:02:54
● 2026-02-18 11:07:12
● 2026-03-08 07:39:50
○ 2026-03-18 03:38:08
○ 2026-07-11 01:03:28
○NSns256.superhosting.bg2026-02-18 → 2026-03-08 · 5 obs
○ 2016-07-04 13:02:54
● 2026-02-18 11:07:12
● 2026-03-08 07:39:50
○ 2026-03-18 03:38:08
○ 2026-07-11 01:03:28
●NSns41.jumpdns.net2026-03-18 → 2026-07-11 · 3 obs
○ 2026-03-08 07:39:50
● 2026-03-18 03:38:08
● 2026-07-11 01:03:28
●NSns42.jumpdns.net2026-03-18 → 2026-07-11 · 3 obs
○ 2026-03-08 07:39:50
● 2026-03-18 03:38:08
● 2026-07-11 01:03:28
○MXmail.b-io.co2015-08-19 → 2016-03-08 · 4 obs
● 2015-08-19 02:34:38
● 2016-03-08 14:25:52
○ 2016-07-04 13:02:54
○ 2026-07-11 01:03:28
●MXwork-study.org2016-07-04 → 2026-07-11 · 3 obs
○ 2016-03-08 14:25:52
● 2016-07-04 13:02:54
● 2026-07-11 01:03:28
○A173.254.50.372016-07-04 → 2016-07-04 · 4 obs
○ 2016-03-08 14:25:52
● 2016-07-04 13:02:54
○ 2017-02-18 02:02:08
○ 2026-07-11 01:03:28
●A185.199.38.402026-03-18 → 2026-07-11 · 3 obs
○ 2026-03-08 07:39:50
● 2026-03-18 03:38:08
● 2026-07-11 01:03:28
○A185.45.66.2092026-02-18 → 2026-03-08 · 5 obs
○ 2020-01-04 01:55:48
● 2026-02-18 11:07:12
● 2026-03-08 07:39:50
○ 2026-03-18 03:38:08
○ 2026-07-11 01:03:28
○A208.48.81.1332015-08-19 → 2015-12-06 · 4 obs
● 2015-08-19 02:34:38
● 2015-12-06 23:11:04
○ 2016-03-08 14:25:52
○ 2026-07-11 01:03:28
○A208.48.81.1342015-08-19 → 2015-12-06 · 4 obs
● 2015-08-19 02:34:38
● 2015-12-06 23:11:04
○ 2016-03-08 14:25:52
○ 2026-07-11 01:03:28
○A208.48.81.1792015-08-19 → 2015-12-06 · 4 obs
● 2015-08-19 02:34:38
● 2015-12-06 23:11:04
○ 2016-03-08 14:25:52
○ 2026-07-11 01:03:28
○A64.15.205.1002015-08-19 → 2015-12-06 · 4 obs
● 2015-08-19 02:34:38
● 2015-12-06 23:11:04
○ 2016-03-08 14:25:52
○ 2026-07-11 01:03:28
○A64.15.205.1012015-08-19 → 2015-12-06 · 4 obs
● 2015-08-19 02:34:38
● 2015-12-06 23:11:04
○ 2016-03-08 14:25:52
○ 2026-07-11 01:03:28
○A74.220.199.142017-02-18 → 2020-01-04 · 5 obs
○ 2016-07-04 13:02:54
● 2017-02-18 02:02:08
● 2020-01-04 01:55:48
○ 2026-02-18 11:07:12
○ 2026-07-11 01:03:28
○A98.124.245.242016-03-08 → 2016-03-08 · 4 obs
○ 2015-12-06 23:11:04
● 2016-03-08 14:25:52
○ 2016-07-04 13:02:54
○ 2026-07-11 01:03:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
work-study.orgns41.jumpdns.net, ns42.jumpdns.net-

✅ Authoritative Response

Server:185.199.38.40

NS records: ns41.jumpdns.net, ns42.jumpdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for work-study.org (unsigned zone)

⏱️ Timing

Total: 604ms | Queries: -

📄 Records

TypeCountSample Data
A1185.199.38.40
NS2ns41.jumpdns.net, ns42.jumpdns.net
MX1work-study.org (pri: 0)
TXT1v=spf1 +a +mx +ip4:185.199.38.40 ~all
SOA1ns41.jumpdns.net cpanel.jump.bg

Analysis

Mail Server Role

The MX record for work-study.org points back to work-study.org — it is its own mail server.

IP Addresses

work-study.org directs to one IP number, which is 185.199.38.40.

Among the host names that share IP numbers with work-study.org are _dc-mx.b204088ced60.moonsailing.com, pravdo.com, fitroom.eu and two others.

Name Servers

DNS delegation for work-study.org points to two name servers: ns41.jumpdns.net and ns42.jumpdns.net.

work-study.org has the same name server delegation as a number of other domains, such as zonata.bg, elitno.com, stilstroi-77.com and two more.

work-study.org has at least partial name server overlap with other domains, such as phytolife.bg, blife.bg, b-xii.net and two others.

ns41.jumpdns.net directs to 185.199.38.40 and ns42.jumpdns.net directs to 185.199.38.41; each host name points to exactly one IP number.

Mail Servers

The MX record for work-study.org points to a single mail server: work-study.org.

work-study.org has exactly one IP number: 185.199.38.40.