`mail.stefankool.com`

	DNSSEC	⚠️ Not signed
	A	2a03:3c00:a002:239::1105^{🇳🇱 PREVIDER-AS2a03:3c00:8000::/34 NL-ANTAGONIST-20230327}
	A	141.138.169.239^{🇳🇱 PREVIDER-AS141.138.168.0/22 NL-ANTAGONIST-20090921 Antagonist B.V., Enschede, NL}

`stefankool.com`

	DNSSEC	🔒 Signed (DS record present)
	A	2a03:3c00:a002:239::1105^{🇳🇱 PREVIDER-AS2a03:3c00:8000::/34 NL-ANTAGONIST-20230327}
	A	141.138.169.239^{🇳🇱 PREVIDER-AS141.138.168.0/22 NL-ANTAGONIST-20090921 Antagonist B.V., Enschede, NL}
	NS	`webhostingserver.g1-dns.one` ⭐
	NS	`webhostingserver.g1-dns.com`
	MX	`mail.stefankool.com` ⭐
	TXT	`v=spf1 a mx include:_spf.webhostingserver.nl ~all`
	SOA	`webhostingserver.g1-dns.one`hostmaster@webhostingserver.nl 2026-04-29 #1

Same first word

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DNS History

5 records (2 active, 3 former)

○A141.138.169.2002015-10-16 → 2016-11-29 · 5 obs

○ 2015-05-29 22:16:34
● 2015-10-16 11:35:54
● 2016-11-29 08:15:58
○ 2026-03-17 14:16:08
○ 2026-05-10 09:00:08

●A141.138.169.2392026-03-17 → 2026-05-10 · 3 obs

○ 2016-11-29 08:15:58
● 2026-03-17 14:16:08
● 2026-05-10 09:00:08

○A195.211.73.392015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 22:16:34
○ 2015-10-16 11:35:54
○ 2026-05-10 09:00:08

○A2a03:3c00:a002:200::10002015-10-16 → 2016-11-29 · 5 obs

○ 2015-05-29 22:16:34
● 2015-10-16 11:35:54
● 2016-11-29 08:15:58
○ 2026-03-17 14:16:08
○ 2026-05-10 09:00:08

●A2a03:3c00:a002:239::11052026-03-17 → 2026-05-10 · 3 obs

○ 2016-11-29 08:15:58
● 2026-03-17 14:16:08
● 2026-05-10 09:00:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stefankool.com	webhostingserver.g1-dns.com, webhostingserver.g1-dns.one	2 records

✅ Authoritative Response

Server:185.10.11.15

NS records: webhostingserver.g1-dns.com, webhostingserver.g1-dns.one

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 551ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`141.138.169.239`
AAAA	1	`2a03:3c00:a002:239::1105`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (webhostingserver.g1-dns.com, webhostingserver.g1-dns.com)

Analysis

IP Addresses

mail.stefankool.com resolves to two IP numbers: 2a03:3c00:a002:239::1105 and 141.138.169.239.

other host names including bepino.nl, mail.alaskaswimminggear.be, powershell.eu, jnns.nl and spikkerbouw.nl share IP numbers with mail.stefankool.com.

mail.stefankool.com - robtex.com