`fuelcardsolution.com`

DNSSEC	⚠️ Not signed
A	81.91.84.119^{🇨🇿 WEB4U81.91.80.0/21}
		PTR	`d6.uvm.cz`
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`mail.fuelcardsolution.com` ⭐
		A	194.213.207.50^{🇨🇿 TMOBILE-CZ194.213.192.0/19 T-Mobile Czech Republic a.s.}
			PTR	`mail.erneks.cz`
TXT	`v=spf1 mx ip4:194.213.207.50 ip4:81.91.92.237 include:servers.mcsv.net ?all`
SOA	`ns.web4u.cz`admin@web4u.cz 2025-01-14 #2

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Subdomains

mail.fuelcardsolution.com

Same first word

fuelcardsolution.com

DNS History

10 records (4 active, 6 former)

●NSns.web4u.cz2018-09-12 → 2026-03-21 · 3 obs

○ 2016-12-21 05:31:02
● 2018-09-12 13:30:52
● 2026-03-21 15:15:12

○NSns1.ignum.com2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 05:31:02
○ 2018-09-12 13:30:52
○ 2026-03-21 15:15:12

○NSns2.ignum.cz2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 05:31:02
○ 2018-09-12 13:30:52
○ 2026-03-21 15:15:12

●NSns2.web4u.cz2018-09-12 → 2026-03-21 · 3 obs

○ 2016-12-21 05:31:02
● 2018-09-12 13:30:52
● 2026-03-21 15:15:12

○MXemail.ignum.cz2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 05:31:02
○ 2018-09-12 13:30:52
○ 2026-03-21 15:15:12

○MXemail2.ignum.cz2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 05:31:02
○ 2018-09-12 13:30:52
○ 2026-03-21 15:15:12

●MXmail.fuelcardsolution.com2018-09-12 → 2026-03-21 · 3 obs

○ 2016-12-21 05:31:02
● 2018-09-12 13:30:52
● 2026-03-21 15:15:12

○A217.31.62.382016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 05:31:02
○ 2018-09-12 13:30:52
○ 2026-03-21 15:15:12

●A81.91.84.1192026-02-17 → 2026-03-21 · 3 obs

○ 2018-09-12 13:30:52
● 2026-02-17 00:49:12
● 2026-03-21 15:15:12

○A81.91.86.142018-09-12 → 2018-09-12 · 4 obs

○ 2016-12-21 05:31:02
● 2018-09-12 13:30:52
○ 2026-02-17 00:49:12
○ 2026-03-21 15:15:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
fuelcardsolution.com	ns.web4u.cz, ns2.web4u.cz	-

✅ Authoritative Response

Server: 185.14.224.241

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fuelcardsolution.com (unsigned zone)

⏱️ Timing

Total: 701ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.84.119`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	1	`mail.fuelcardsolution.com (pri: 10)`
TXT	1	`v=spf1 mx ip4:194.213.207.50 ip4:81.91.9`
SOA	1	`ns.web4u.cz admin.web4u.cz`

Analysis

Hierarchy

fuelcardsolution.com is the parent of mail.fuelcardsolution.com.

IP Addresses

fuelcardsolution.com resolves to one IP number: 81.91.84.119.

other host names including kasir.cz, mail.caster.cz, pensionrozcesti.cz, adventure-liberec.cz and raspenava.cz share IP numbers with fuelcardsolution.com.

Name Servers

fuelcardsolution.com is delegated to two name servers ns2.web4u.cz and ns.web4u.cz.

fuelcardsolution.com shares the same name server setup as other domains, for instance p-atelier.cz, barbie-obchod.cz, wolfsden.cz, starhova.cz and alfaclinic.eu.

Host names with two IP numbers:

The host name ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12; the host name ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.

Mail Servers

fuelcardsolution.com is handled by a single mail server, mail.fuelcardsolution.com.

mail.fuelcardsolution.com resolves to IP 194.213.207.50.

fuelcardsolution.com - robtex.com