ns3.progroep.com - robtex.com

ns3.progroep.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:252d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:cbf1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.37.45Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.241🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.37.45, 172.67.203.241
IPv6 hints2606:4700:3035::6815:252d, 2606:4700:3037::ac43:cbf1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com

progroep.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:252d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:cbf1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.37.45Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.241🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSashton.ns.cloudflare.com ⭐
NSmalavika.ns.cloudflare.com
MX_dc-mx.84b23809a2c8.progroep.com ⭐
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.37.45, 172.67.203.241
IPv6 hints2606:4700:3035::6815:252d, 2606:4700:3037::ac43:cbf1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com
SOAashton.ns.cloudflare.comdns@cloudflare.com serial=2398987208

NS for

hibg.nl
promeca.nl
zogeknogniet.nl
payrolldenbosch.nl
payrollinggroningen.nl

Same first word

ns3.fastlylb.net
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sn3.com
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s3n.com
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sn3.eu
3sn.com.br
3sn.cn
n3s.co.uk
3sn.info
s3n.de
n3s.net
3ns.nl
s3n.su

DNS History

9 records (4 active, 5 former)

2017201820192020202120222023202420252026A104.21.37.45172.67.203.2412606:4700:3035::6815:252d2606:4700:3037::ac43:cbf1188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::77.243.225.208
●A104.21.37.452026-02-17 → 2026-04-12 · 6 obs
○ 2017-09-03 11:47:16
● 2026-02-17 14:17:40
○ 2026-02-23 17:18:32
○ 2026-02-23 20:43:14
● 2026-03-26 09:42:28
● 2026-04-12 03:14:00
●A172.67.203.2412026-02-17 → 2026-04-12 · 6 obs
○ 2017-09-03 11:47:16
● 2026-02-17 14:17:40
○ 2026-02-23 17:18:32
○ 2026-02-23 20:43:14
● 2026-03-26 09:42:28
● 2026-04-12 03:14:00
○A188.114.96.02026-02-23 → 2026-02-23 · 5 obs
○ 2026-02-17 14:17:40
● 2026-02-23 17:18:32
● 2026-02-23 20:43:14
○ 2026-03-26 09:42:28
○ 2026-04-12 03:14:00
○A188.114.97.02026-02-23 → 2026-02-23 · 5 obs
○ 2026-02-17 14:17:40
● 2026-02-23 17:18:32
● 2026-02-23 20:43:14
○ 2026-03-26 09:42:28
○ 2026-04-12 03:14:00
●A2606:4700:3035::6815:252d2026-02-17 → 2026-04-12 · 6 obs
○ 2017-09-03 11:47:16
● 2026-02-17 14:17:40
○ 2026-02-23 17:18:32
○ 2026-02-23 20:43:14
● 2026-03-26 09:42:28
● 2026-04-12 03:14:00
●A2606:4700:3037::ac43:cbf12026-02-17 → 2026-04-12 · 6 obs
○ 2017-09-03 11:47:16
● 2026-02-17 14:17:40
○ 2026-02-23 17:18:32
○ 2026-02-23 20:43:14
● 2026-03-26 09:42:28
● 2026-04-12 03:14:00
○A2a06:98c1:3120::2026-02-23 → 2026-02-23 · 5 obs
○ 2026-02-17 14:17:40
● 2026-02-23 17:18:32
● 2026-02-23 20:43:14
○ 2026-03-26 09:42:28
○ 2026-04-12 03:14:00
○A2a06:98c1:3121::2026-02-23 → 2026-02-23 · 5 obs
○ 2026-02-17 14:17:40
● 2026-02-23 17:18:32
● 2026-02-23 20:43:14
○ 2026-03-26 09:42:28
○ 2026-04-12 03:14:00
○A77.243.225.2082016-11-14 → 2017-09-03 · 4 obs
● 2016-11-14 00:45:04
● 2017-09-03 11:47:16
○ 2026-02-17 14:17:40
○ 2026-04-12 03:14:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...-
progroep.commalavika.ns.cloudflare.com, ashton.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.165

NS records: malavika.ns.cloudflare.com, ashton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for progroep.com (unsigned zone)

⏱️ Timing

Total: 109ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.37.45, 172.67.203.241
AAAA22606:4700:3037::ac43:cbf1, 2606:4700:3035::6815:252d
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (malavika.ns.cloudflare.com, malavika.ns.cloudflare.com, malavika.ns.cloudflare.com...)

Analysis

Name Server Role

ns3.progroep.com serves as a name server for hibg.nl, promeca.nl, zogeknogniet.nl, payrolldenbosch.nl and payrollinggroningen.nl.

ns1.progroep.nl and ns2.progroep.nl are commonly used as name servers together with ns3.progroep.com.

IP Addresses

ns3.progroep.com resolves to four IP numbers: 2606:4700:3035::6815:252d, 2606:4700:3037::ac43:cbf1, 104.21.37.45 and 172.67.203.241.

other host names for instance bos(0x736578)presss.com, lvemeetme.com, clientdart.com, www.almavios.com and ruihongjiaju.com share IP numbers with ns3.progroep.com.