cosing.com - dns.ninja

cosing.com

DNSSEC⚠️ Not signed
A2a02:2268:1:0:f816:3eff:fe7b:63c6🇳🇱 HOSTNET2a02:2268::/32
A91.184.0.200🇩🇰 ONECOM91.184.0.0/19
NSns01.hostnet.nl ⭐
A2001:67c:28cc::13ONECOM-INFRA2001:67c:28cc::/48
PTRns1.hostnet.nl
A195.206.121.13ONECOM-INFRA195.206.121.0/24
PTRns1.hostnet.nl
NSns02.hostnet.nl
A2001:67c:3c0::13🇩🇰 ONECOM2001:67c:3c0::/48
PTRns2.hostnet.nl
A185.10.11.13ONECOM185.10.11.0/24
PTRns2.hostnet.nl
TXTv=spf1 a mx include:_spf.hostnet.nl -all
SOAns01.hostnet.nlhostmaster@hostnet.nl 2026-01-11 #1

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=1781782585

Subdomains

www.cosing.com

Same first word

cosing.cz
cosing.com
cosing.fr

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DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026NSns01.hostnet.nlns02.hostnet.nlns1.fabulous.comns2.fabulous.comMXmail.b-io.coA2a02:2268:1:0:f816:3eff:fe7b:63c691.184.0.200208.48.81.133208.48.81.134208.48.81.17964.15.205.10064.15.205.10198.124.245.24
●NSns01.hostnet.nl2026-03-22 → 2026-06-18 · 3 obs
○ 2017-04-10 11:30:54
● 2026-03-22 11:33:10
● 2026-06-18 11:41:54
●NSns02.hostnet.nl2026-03-22 → 2026-06-18 · 3 obs
○ 2017-04-10 11:30:54
● 2026-03-22 11:33:10
● 2026-06-18 11:41:54
○NSns1.fabulous.com2015-07-16 → 2017-04-10 · 4 obs
● 2015-07-16 04:01:20
● 2017-04-10 11:30:54
○ 2026-03-22 11:33:10
○ 2026-06-18 11:41:54
○NSns2.fabulous.com2015-07-16 → 2017-04-10 · 4 obs
● 2015-07-16 04:01:20
● 2017-04-10 11:30:54
○ 2026-03-22 11:33:10
○ 2026-06-18 11:41:54
○MXmail.b-io.co2015-07-16 → 2017-04-10 · 4 obs
● 2015-07-16 04:01:20
● 2017-04-10 11:30:54
○ 2026-03-22 11:33:10
○ 2026-06-18 11:41:54
○A208.48.81.1332015-07-16 → 2015-12-18 · 4 obs
● 2015-07-16 04:01:20
● 2015-12-18 01:18:44
○ 2016-03-19 02:22:50
○ 2026-06-18 11:41:54
○A208.48.81.1342015-07-16 → 2015-12-18 · 4 obs
● 2015-07-16 04:01:20
● 2015-12-18 01:18:44
○ 2016-03-19 02:22:50
○ 2026-06-18 11:41:54
○A208.48.81.1792015-07-16 → 2015-12-18 · 5 obs
● 2015-07-16 04:01:20
○ 2015-10-15 04:40:14
● 2015-12-18 01:18:44
○ 2016-03-19 02:22:50
○ 2026-06-18 11:41:54
●A2a02:2268:1:0:f816:3eff:fe7b:63c62026-03-22 → 2026-06-18 · 3 obs
○ 2017-04-10 11:30:54
● 2026-03-22 11:33:10
● 2026-06-18 11:41:54
○A64.15.205.1002015-07-16 → 2015-12-18 · 4 obs
● 2015-07-16 04:01:20
● 2015-12-18 01:18:44
○ 2016-03-19 02:22:50
○ 2026-06-18 11:41:54
○A64.15.205.1012015-07-16 → 2015-12-18 · 4 obs
● 2015-07-16 04:01:20
● 2015-12-18 01:18:44
○ 2016-03-19 02:22:50
○ 2026-06-18 11:41:54
●A91.184.0.2002026-03-22 → 2026-06-18 · 3 obs
○ 2017-04-10 11:30:54
● 2026-03-22 11:33:10
● 2026-06-18 11:41:54
○A98.124.245.242016-03-19 → 2017-04-10 · 5 obs
○ 2015-12-18 01:18:44
● 2016-03-19 02:22:50
● 2017-04-10 11:30:54
○ 2026-03-22 11:33:10
○ 2026-06-18 11:41:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cosing.comns01.hostnet.nl, ns02.hostnet.nl-

✅ Authoritative Response

Server:195.206.121.13

NS records: ns01.hostnet.nl, ns02.hostnet.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cosing.com (unsigned zone)

⏱️ Timing

Total: 655ms | Queries: -

📄 Records

TypeCountSample Data
A191.184.0.200
AAAA12a02:2268:1:0:f816:3eff:fe7b:63c6
NS2ns02.hostnet.nl, ns01.hostnet.nl
TXT1v=spf1 a mx include:_spf.hostnet.nl -all
SOA1ns01.hostnet.nl hostmaster.hostnet.nl

Analysis

Hierarchy

www.cosing.com is delegated beneath cosing.com.

IP Addresses

cosing.com points to the IP addresses 91.184.0.200 and 2a02:2268:1:0:f816:3eff:fe7b:63c6

listrik.nl, gracehamstra.com, advocaatondernemingsrecht.com plus two other host names have IP numbers in common with cosing.com.

Name Servers

cosing.com has two authoritative name servers — ns01.hostnet.nl and ns02.hostnet.nl.

The name server configuration of cosing.com is shared with other domains, for instance willemijnvos.nl, saskiapost.nl, timm.nl and two others.

Both ns01.hostnet.nl and ns02.hostnet.nl have two IP addresses each. ns01.hostnet.nl resolves to 195.206.121.13 and 2001:67c:28cc::13; ns02.hostnet.nl resolves to 185.10.11.13 and 2001:67c:3c0::13.