sidef.com - dns.ninja

`sidef.com`

DNSSEC	⚠️ Not signed
A	86.107.32.171^{🇮🇹 SERVERPLAN-AS86.107.32.0/21}
		PTR	`giulio.dnshigh.com`
NS	`dns2.technorail.com` ⭐
		A	2a00:6d42:3:2096::f:1^{🇮🇹 ARUBA-ASN2a00:6d42::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns2.technorail.com`
		A	95.110.136.8^{🇮🇹 ARUBA-ASN95.110.136.0/21 Aruba S.p.A. Network}
			PTR	`dns2.technorail.com`
NS	`dns.technorail.com`
		A	2a00:6d40:2:2082::f:1^{🇮🇹 ARUBA-ASN2a00:6d40::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns.technorail.com`
		A	94.177.210.13^{🇮🇹 ARUBA-ASN94.177.208.0/22 Aruba S.p.A. Network}
			PTR	`dns.technorail.com`
NS	`dns3.arubadns.net`
		A	2a00:6d41:3:206e::f:1^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`dns3.arubadns.net`
		A	95.110.220.5^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`dns3.arubadns.net`
NS	`dns4.arubadns.cz`
		A	2001:15e8:104:4::d8ee^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`dns4.arubadns.cz`
		A	81.2.216.238^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`dns4.arubadns.cz`
MX	`mx.sidef.com` ⭐
		A	62.149.128.72^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd4.aruba.it`
		A	62.149.128.74^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd5.aruba.it`
		A	62.149.128.151^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd6.aruba.it`
		A	62.149.128.154^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd7.aruba.it`
		A	62.149.128.157^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd8.aruba.it`
		A	62.149.128.160^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd1.aruba.it`
		A	62.149.128.163^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd2.aruba.it`
		A	62.149.128.166^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd3.aruba.it`
TXT	`v=spf1 include:_spf.aruba.it ~all`
SOA	`dns.technorail.com`hostmaster@sidef.com 2026-06-26 #1

`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=1782545710

WOT: SAFE (61/100)

Previously MX for

sidef.com

Subdomains

mx.sidef.com

mail.sidef.com

Same first word

sidef.mg

sidef.com

sidef.workers.dev

sidef.it

Similar names

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sidfe.com

fised.net

difes.com

fides.nl

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fides.gmbh

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fides.bg

defis.ca

DNS History

16 records (6 active, 10 former)

●NSdns.technorail.com2019-01-29 → 2026-06-27 · 3 obs

○ 2016-07-26 11:13:04
● 2019-01-29 16:02:20
● 2026-06-27 07:41:56

●NSdns2.technorail.com2019-01-29 → 2026-06-27 · 3 obs

○ 2016-07-26 11:13:04
● 2019-01-29 16:02:20
● 2026-06-27 07:41:56

●NSdns3.arubadns.net2019-01-29 → 2026-06-27 · 3 obs

○ 2016-07-26 11:13:04
● 2019-01-29 16:02:20
● 2026-06-27 07:41:56

●NSdns4.arubadns.cz2019-01-29 → 2026-06-27 · 3 obs

○ 2016-07-26 11:13:04
● 2019-01-29 16:02:20
● 2026-06-27 07:41:56

○NSluna.insinet.it2015-08-10 → 2016-04-15 · 4 obs

● 2015-08-10 15:41:48
● 2016-04-15 11:17:12
○ 2016-07-26 11:13:04
○ 2026-06-27 07:41:56

○NSnibiru.insinet.it2015-08-10 → 2016-04-15 · 4 obs

● 2015-08-10 15:41:48
● 2016-04-15 11:17:12
○ 2016-07-26 11:13:04
○ 2026-06-27 07:41:56

○NSns1.d00ccg-caia.sphostserver.com2016-07-26 → 2016-07-26 · 4 obs

○ 2016-04-15 11:17:12
● 2016-07-26 11:13:04
○ 2019-01-29 16:02:20
○ 2026-06-27 07:41:56

○NSns2.d00ccg-caia.sphostserver.com2016-07-26 → 2016-07-26 · 4 obs

○ 2016-04-15 11:17:12
● 2016-07-26 11:13:04
○ 2019-01-29 16:02:20
○ 2026-06-27 07:41:56

○NSterra.insinet.it2015-08-10 → 2016-04-15 · 4 obs

● 2015-08-10 15:41:48
● 2016-04-15 11:17:12
○ 2016-07-26 11:13:04
○ 2026-06-27 07:41:56

○MXmail.sidef.com2015-08-10 → 2016-04-15 · 4 obs

● 2015-08-10 15:41:48
● 2016-04-15 11:17:12
○ 2016-07-26 11:13:04
○ 2026-06-27 07:41:56

●MXmx.sidef.com2019-01-29 → 2026-06-27 · 3 obs

○ 2016-07-26 11:13:04
● 2019-01-29 16:02:20
● 2026-06-27 07:41:56

○MXsidef.com2016-07-26 → 2016-07-26 · 4 obs

○ 2016-04-15 11:17:12
● 2016-07-26 11:13:04
○ 2019-01-29 16:02:20
○ 2026-06-27 07:41:56

○A185.81.0.2052016-07-26 → 2016-07-26 · 4 obs

○ 2016-04-15 11:17:12
● 2016-07-26 11:13:04
○ 2019-01-29 16:02:20
○ 2026-06-27 07:41:56

○A82.143.14.1482015-08-10 → 2016-04-15 · 4 obs

● 2015-08-10 15:41:48
● 2016-04-15 11:17:12
○ 2016-07-26 11:13:04
○ 2026-06-27 07:41:56

●A86.107.32.1712026-02-16 → 2026-06-27 · 3 obs

○ 2019-01-29 16:02:20
● 2026-02-16 12:18:20
● 2026-06-27 07:41:56

○A93.191.242.92019-01-29 → 2019-01-29 · 4 obs

○ 2016-07-26 11:13:04
● 2019-01-29 16:02:20
○ 2026-02-16 12:18:20
○ 2026-06-27 07:41:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net...	-
sidef.com	dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net	4 records

✅ Authoritative Response

Server:81.2.216.238

NS records: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz, dns3.arubadns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sidef.com (unsigned zone)

⏱️ Timing

Total: 777ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`86.107.32.171`
NS	4	`dns2.technorail.com, dns4.arubadns.cz...`
MX	1	`mx.sidef.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.aruba.it ~all`
SOA	1	`dns.technorail.com hostmaster.sidef.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns2.technorail.com, dns2.technorail.com, dns.technorail.com...)

Analysis

Hierarchy

sidef.com is the parent domain of mx.sidef.com and mail.sidef.com.

IP Addresses

sidef.com points to a single IP number: 86.107.32.171.

Additional host names — dream-bikes.it, firstmanagement.it, bontadoc.com and two others — share IP numbers with sidef.com.

Name Servers

sidef.com has four authoritative name servers: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net.

sidef.com shares at least some of its name servers with other domains, including minicasedilusso.com, cire.it, professionemassaggio.it and two others.

The host names dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net each resolve to two IP addresses: dns2.technorail.com resolves to 95.110.136.8 and 2a00:6d42:3:2096::f:1; dns.technorail.com resolves to 94.177.210.13 and 2a00:6d40:2:2082::f:1; dns4.arubadns.cz resolves to 81.2.216.238 and 2001:15e8:104:4::d8ee; dns3.arubadns.net resolves to 95.110.220.5 and 2a00:6d41:3:206e::f:1.

Mail Servers

sidef.com has one mail server: mx.sidef.com.

mx.sidef.com points to 8 IP numbers: 62.149.128.72, 62.149.128.74, 62.149.128.151 and 5 other.