sinfe.es - dns.ninja

`sinfe.es`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2005::6^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.165^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`mx10.websupport.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:103^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx10.websupport.cz`
		A	45.13.137.103^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u5-mx.websupport.cz`
MX	`mx20.websupport.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:104^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx20.websupport.cz`
		A	45.13.137.104^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u6-mx.websupport.cz`
TXT	`v=spf1 a mx include:_spf.websupport.cz -all`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1763943304

`es`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.nic.es` ⭐
	NS	`a.nic.es`
	NS	`c.nic.es`
	NS	`g.nic.es`
	NS	`h.nic.es`
	SOA	`ns1.nic.es`hostmaster@nic.es 2026-07-14 #2

Same first word

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sinfe.sp.gov.br

sinfe.cn

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ifens.com

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fiens.org

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isfne.com

DNS History

23 records (7 active, 16 former)

○NSalfa.ns.active24.cz2016-05-05 → 2017-03-18 · 5 obs

○ 2016-01-03 04:16:02
● 2016-05-05 19:42:00
● 2017-03-18 21:42:44
○ 2026-03-15 10:18:48
○ 2026-07-14 05:27:20

○NSbeta.ns.active24.cz2016-05-05 → 2017-03-18 · 5 obs

○ 2016-01-03 04:16:02
● 2016-05-05 19:42:00
● 2017-03-18 21:42:44
○ 2026-03-15 10:18:48
○ 2026-07-14 05:27:20

○NSdns10.activeisp.com2015-06-03 → 2016-01-03 · 4 obs

● 2015-06-03 00:16:26
● 2016-01-03 04:16:02
○ 2016-05-05 19:42:00
○ 2026-07-14 05:27:20

○NSdns11.activeisp.com2015-06-03 → 2016-01-03 · 4 obs

● 2015-06-03 00:16:26
● 2016-01-03 04:16:02
○ 2016-05-05 19:42:00
○ 2026-07-14 05:27:20

○NSdns12.activeisp.com2015-06-03 → 2016-01-03 · 4 obs

● 2015-06-03 00:16:26
● 2016-01-03 04:16:02
○ 2016-05-05 19:42:00
○ 2026-07-14 05:27:20

○NSgama.ns.active24.sk2016-05-05 → 2017-03-18 · 5 obs

○ 2016-01-03 04:16:02
● 2016-05-05 19:42:00
● 2017-03-18 21:42:44
○ 2026-03-15 10:18:48
○ 2026-07-14 05:27:20

●NSns1.websupport.cz2026-03-15 → 2026-07-14 · 3 obs

○ 2017-03-18 21:42:44
● 2026-03-15 10:18:48
● 2026-07-14 05:27:20

●NSns2.websupport.cz2026-03-15 → 2026-07-14 · 3 obs

○ 2017-03-18 21:42:44
● 2026-03-15 10:18:48
● 2026-07-14 05:27:20

●NSns3.websupport.eu2026-03-15 → 2026-07-14 · 3 obs

○ 2017-03-18 21:42:44
● 2026-03-15 10:18:48
● 2026-07-14 05:27:20

○MXmta1.active24.com2015-06-03 → 2016-01-03 · 4 obs

● 2015-06-03 00:16:26
● 2016-01-03 04:16:02
○ 2016-05-05 19:42:00
○ 2026-07-14 05:27:20

○MXmta2.active24.com2015-06-03 → 2016-01-03 · 4 obs

● 2015-06-03 00:16:26
● 2016-01-03 04:16:02
○ 2016-05-05 19:42:00
○ 2026-07-14 05:27:20

○MXmta3.active24.com2015-06-03 → 2016-01-03 · 4 obs

● 2015-06-03 00:16:26
● 2016-01-03 04:16:02
○ 2016-05-05 19:42:00
○ 2026-07-14 05:27:20

○MXmta4.active24.com2015-06-03 → 2016-01-03 · 4 obs

● 2015-06-03 00:16:26
● 2016-01-03 04:16:02
○ 2016-05-05 19:42:00
○ 2026-07-14 05:27:20

○MXmx1.active24.com2016-05-05 → 2017-03-18 · 5 obs

○ 2016-01-03 04:16:02
● 2016-05-05 19:42:00
● 2017-03-18 21:42:44
○ 2026-03-15 10:18:48
○ 2026-07-14 05:27:20

●MXmx10.websupport.cz2026-03-15 → 2026-07-14 · 3 obs

○ 2017-03-18 21:42:44
● 2026-03-15 10:18:48
● 2026-07-14 05:27:20

○MXmx2.active24.com2016-05-05 → 2017-03-18 · 5 obs

○ 2016-01-03 04:16:02
● 2016-05-05 19:42:00
● 2017-03-18 21:42:44
○ 2026-03-15 10:18:48
○ 2026-07-14 05:27:20

●MXmx20.websupport.cz2026-03-15 → 2026-07-14 · 3 obs

○ 2017-03-18 21:42:44
● 2026-03-15 10:18:48
● 2026-07-14 05:27:20

○A213.188.130.1102016-01-03 → 2016-01-03 · 4 obs

○ 2015-10-26 12:43:24
● 2016-01-03 04:16:02
○ 2016-05-05 19:42:00
○ 2026-07-14 05:27:20

○A213.188.134.2272015-06-03 → 2015-10-26 · 4 obs

● 2015-06-03 00:16:26
● 2015-10-26 12:43:24
○ 2016-01-03 04:16:02
○ 2026-07-14 05:27:20

●A2a00:4b40:aaaa:2005::62026-03-15 → 2026-07-14 · 3 obs

○ 2017-03-18 21:42:44
● 2026-03-15 10:18:48
● 2026-07-14 05:27:20

○A2a02:4a8:ac24:117::101:32016-05-05 → 2017-03-18 · 5 obs

○ 2016-01-03 04:16:02
● 2016-05-05 19:42:00
● 2017-03-18 21:42:44
○ 2026-03-15 10:18:48
○ 2026-07-14 05:27:20

●A37.9.175.1652026-03-15 → 2026-07-14 · 3 obs

○ 2017-03-18 21:42:44
● 2026-03-15 10:18:48
● 2026-07-14 05:27:20

○A81.95.101.32016-05-05 → 2017-03-18 · 5 obs

○ 2016-01-03 04:16:02
● 2016-05-05 19:42:00
● 2017-03-18 21:42:44
○ 2026-03-15 10:18:48
○ 2026-07-14 05:27:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
es	c.nic.es, a.nic.es, h.nic.es, g.nic.es	-
sinfe.es	ns2.websupport.cz, ns3.websupport.eu, ns1.websupport.cz	-

✅ Authoritative Response

Server:45.10.97.13

NS records: ns2.websupport.cz, ns3.websupport.eu, ns1.websupport.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1152ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.165`
AAAA	1	`2a00:4b40:aaaa:2005::6`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mx10.websupport.cz (pri: 10), mx20.websupport.cz (pri: 100)`
TXT	1	`v=spf1 a mx include:_spf.websupport.cz -`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

IP Addresses

sinfe.es has two IP addresses: 37.9.175.165 and 2a00:4b40:aaaa:2005::6

Among the host names that share IP numbers with sinfe.es are ahne.cz, www.recra.cz, nimco.pl and two others.

Name Servers

sinfe.es is served by three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

The name servers of sinfe.es overlap at least partially with those of other domains — among them recyklacehrou.eu, esme.cz, cnc.cz and two more.

The hostnames ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu each direct to two IP addresses — ns1.websupport.cz to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu to 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

The MX records for sinfe.es point to two mail servers: mx10.websupport.cz and mx20.websupport.cz.

sinfe.es has the same mail server arrangement as a number of other domains, for example autoskolatrio.cz, homeodent.cz, rokeauto.cz and two more.

The mail servers for sinfe.es overlap at least partially with those of other domains, including hyperlink.cz and kroonkunst.nl.

mx10.websupport.cz resolves to 45.13.137.103 and 2a00:4b40:aaaa:2101:45:13:137:103. Likewise, mx20.websupport.cz resolves to 45.13.137.104 and 2a00:4b40:aaaa:2101:45:13:137:104 — two IP addresses apiece.