`matematicando.org`

DNSSEC	⚠️ Not signed
A	2a00:6d40:4:1::c315:60^{🇮🇹 ARUBA-ASN2a00:6d40::/32 Aruba S.p.A. IPv6 Network}
A	89.46.110.60^{🇮🇹 ARUBA-ASN89.46.104.0/21 Aruba S.p.A. Network}
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.matematicando.org` ⭐
		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@matematicando.org 2026-01-09 #1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785249861

Subdomains

www.matematicando.org

mx.matematicando.org

Same first word

matematicando.org

matematicando.net.br

DNS History

15 records (7 active, 8 former)

●NSdns.technorail.com2015-06-30 → 2026-07-28 · 2 obs

● 2015-06-30 04:33:26
● 2026-07-28 15:19:10

●NSdns2.technorail.com2015-06-30 → 2026-07-28 · 2 obs

● 2015-06-30 04:33:26
● 2026-07-28 15:19:10

●NSdns3.arubadns.net2015-06-30 → 2026-07-28 · 2 obs

● 2015-06-30 04:33:26
● 2026-07-28 15:19:10

●NSdns4.arubadns.cz2015-06-30 → 2026-07-28 · 2 obs

● 2015-06-30 04:33:26
● 2026-07-28 15:19:10

●MXmx.matematicando.org2015-06-30 → 2026-07-28 · 2 obs

● 2015-06-30 04:33:26
● 2026-07-28 15:19:10

●A2a00:6d40:4:1::c315:602026-04-23 → 2026-07-28 · 3 obs

○ 2017-04-01 23:39:08
● 2026-04-23 20:03:04
● 2026-07-28 15:19:10

○A62.149.128.1512015-06-30 → 2017-04-01 · 4 obs

● 2015-06-30 04:33:26
● 2017-04-01 23:39:08
○ 2026-04-23 20:03:04
○ 2026-07-28 15:19:10

○A62.149.128.1542015-06-30 → 2017-04-01 · 4 obs

● 2015-06-30 04:33:26
● 2017-04-01 23:39:08
○ 2026-04-23 20:03:04
○ 2026-07-28 15:19:10

○A62.149.128.1572015-06-30 → 2017-04-01 · 4 obs

● 2015-06-30 04:33:26
● 2017-04-01 23:39:08
○ 2026-04-23 20:03:04
○ 2026-07-28 15:19:10

○A62.149.128.1602015-06-30 → 2017-04-01 · 4 obs

● 2015-06-30 04:33:26
● 2017-04-01 23:39:08
○ 2026-04-23 20:03:04
○ 2026-07-28 15:19:10

○A62.149.128.1632015-06-30 → 2017-04-01 · 4 obs

● 2015-06-30 04:33:26
● 2017-04-01 23:39:08
○ 2026-04-23 20:03:04
○ 2026-07-28 15:19:10

○A62.149.128.1662015-06-30 → 2017-04-01 · 4 obs

● 2015-06-30 04:33:26
● 2017-04-01 23:39:08
○ 2026-04-23 20:03:04
○ 2026-07-28 15:19:10

○A62.149.128.722015-06-30 → 2017-04-01 · 4 obs

● 2015-06-30 04:33:26
● 2017-04-01 23:39:08
○ 2026-04-23 20:03:04
○ 2026-07-28 15:19:10

○A62.149.128.742015-06-30 → 2017-04-01 · 4 obs

● 2015-06-30 04:33:26
● 2017-04-01 23:39:08
○ 2026-04-23 20:03:04
○ 2026-07-28 15:19:10

●A89.46.110.602026-04-23 → 2026-07-28 · 3 obs

○ 2017-04-01 23:39:08
● 2026-04-23 20:03:04
● 2026-07-28 15:19:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
matematicando.org	dns.technorail.com, dns3.arubadns.net, dns2.technorail.com, dns4.arubadns.cz	-

✅ Authoritative Response

Server:95.110.136.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for matematicando.org (unsigned zone)

⏱️ Timing

Total: 787ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.46.110.60`
AAAA	1	`2a00:6d40:4:1::c315:60`
NS	4	`dns3.arubadns.net, dns4.arubadns.cz...`
MX	1	`mx.matematicando.org (pri: 10)`
TXT	1	`v=spf1 include:_spf.aruba.it ~all`
SOA	1	`dns.technorail.com hostmaster.matematica`

Analysis

Hierarchy

www.matematicando.org and mx.matematicando.org are both subdomains of matematicando.org.

IP Addresses

matematicando.org has two IP addresses: 89.46.110.60 and 2a00:6d40:4:1::c315:60

solutioninformatic.eu, agriturismoargentario.it, atleticalive.it and two other host names share IP numbers with matematicando.org.

Name Servers

The authoritative name servers for matematicando.org are dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net.

At least some of matematicando.org's name servers are shared with other domains, for example hotelblumen.com, sodalitium.cloud, file-box.it and two more.

Four hostnames, each resolving to a pair of IP addresses: dns2.technorail.com directs to 95.110.136.8 and 2a00:6d42:3:2096::f:1; dns.technorail.com directs to 94.177.210.13 and 2a00:6d40:2:2082::f:1; dns4.arubadns.cz directs to 81.2.216.238 and 2001:15e8:104:4::d8ee; dns3.arubadns.net directs to 95.110.220.5 and 2a00:6d41:3:206e::f:1.

Mail Servers

Mail for matematicando.org is handled by a single mail server, mx.matematicando.org.

mx.matematicando.org resolves to 8 IP addresses — 62.149.128.72, 62.149.128.74, 62.149.128.151 and 5 others.

matematicando.org - robtex.com