`mail.flex4coaching.com`

DNSSEC	⚠️ Not signed
A	2a00:f10:305:0:1c00:c9ff:fe00:527^{🇳🇱 CLDIN-NL2a00:f10::/29}
		PTR	`www60.totaalholding.nl`
A	185.87.187.239^{🇳🇱 CLDIN-NL185.87.184.0/22}

`flex4coaching.com`

	DNSSEC	⚠️ Not signed
	A	2a00:f10:305:0:1c00:c9ff:fe00:527^{🇳🇱 CLDIN-NL2a00:f10::/29}
	A	185.87.187.239^{🇳🇱 CLDIN-NL185.87.184.0/22}
	NS	`sandra.neostrada.nl` ⭐
	NS	`christina.neostrada.nl`
	NS	`lisa.neostrada.nl`
	MX	`mail.flex4coaching.com` ⭐
	TXT	`v=spf1 a mx include:spf.totaalholding.nl ip4:185.56.145.35 -all`
	SOA	`sandra.neostrada.nl`hostmaster@neostrada.nl 2017-05-20 #1

MX for

flex4coaching.com

Same first word

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DNS History

3 records (2 active, 1 former)

○A185.56.145.352017-08-10 → 2017-08-10 · 3 obs

● 2017-08-10 07:23:16
○ 2026-02-16 03:35:46
○ 2026-04-28 19:56:06

●A185.87.187.2392026-02-16 → 2026-04-28 · 3 obs

○ 2017-08-10 07:23:16
● 2026-02-16 03:35:46
● 2026-04-28 19:56:06

●A2a00:f10:305:0:1c00:c9ff:fe00:5272026-02-16 → 2026-04-28 · 3 obs

○ 2017-08-10 07:23:16
● 2026-02-16 03:35:46
● 2026-04-28 19:56:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
flex4coaching.com	sandra.neostrada.nl, lisa.neostrada.nl, christina.neostrada.nl	-

✅ Authoritative Response

Server:172.104.143.74

NS records: sandra.neostrada.nl, lisa.neostrada.nl, christina.neostrada.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flex4coaching.com (unsigned zone)

⏱️ Timing

Total: 365ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.87.187.239`
AAAA	1	`2a00:f10:305:0:1c00:c9ff:fe00:527`

Analysis

Mail Server Role

mail.flex4coaching.com is the mail server for flex4coaching.com.

IP Addresses

mail.flex4coaching.com resolves to two IP numbers: 2a00:f10:305:0:1c00:c9ff:fe00:527 and 185.87.187.239.

other host names including alexandergravemaker.com, script-dev.net, mail.fitts.nl, mail.huisvansinterklaas.nl and mail.addgroup.pro share IP numbers with mail.flex4coaching.com.

mail.flex4coaching.com - robtex.com