mathematica.be - dns.ninja

`mathematica.be`

DNSSEC	⚠️ Not signed
NS	`ns1.sqr.nl` ⭐
		A	2a01:518:ffff:4020::53:3^{🇳🇱 CYSO-AS2a01:518::/32 Cyso Hosting B.V. IPv6 Block}
			PTR	`ns1.dns.sqr.cyso.net`
		A	109.235.73.236^{🇳🇱 CYSO-AS109.235.72.0/21 Cyso Hosting B.V. Block}
			PTR	`ns1.dns.sqr.cyso.net`
NS	`ns2.sqr.domains`
		A	2a01:518:ffff:4020::53:4^{🇳🇱 CYSO-AS2a01:518::/32 Cyso Hosting B.V. IPv6 Block}
			PTR	`ns2.dns.sqr.cyso.net`
		A	93.94.227.166^{🇳🇱 CYSO-AS93.94.224.0/21 Cyso Hosting B.V. Block}
			PTR	`ns2.dns.sqr.cyso.net`
NS	`ns3.sqr.cloud`
		A	2a03:6000:1002:1002::54^{🇳🇱 HIGH5-NL2a03:6000::/29 High5! B.V.}
			PTR	`ns3.sqr.cloud`
		A	46.23.87.195^{🇳🇱 HIGH5-NL46.23.80.0/20 High5! B.V.}
			PTR	`ns3.sqr.cloud`
MX	`mail.mathematica.be` ⭐
MX	`mx1.cyso.net`⁽²⁰⁾
		A	85.158.200.78^{🇳🇱 CYSO-AS85.158.200.0/21 Cyso Hosting B.V. Block}
			PTR	`mx1.cyso.net`
MX	`mx2.cyso.net`⁽³⁰⁾
		A	85.158.202.246^{🇳🇱 CYSO-AS85.158.200.0/21 Cyso Hosting B.V. Block}
			PTR	`free.cyso.net`
TXT	`v=spf1 include:spf.cyso.nl -all`
SOA	`ns1.sqr.nl`hostmaster@mathematica.be 2018-10-14 #5

`be`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nsset.be` ⭐
	NS	`b.nsset.be`
	NS	`c.nsset.be`
	NS	`d.nsset.be`
	NS	`y.nsset.be`
	NS	`z.nsset.be`
	SOA	`a.nsset.be`be-hostmaster@dnsbelgium.be serial=1028257256

Subdomains

ds.mathematica.be

mail.mathematica.be

Same first word

Similar names

metamathica.com

teachitmama.com

themamacita.com

DNS History

11 records (6 active, 5 former)

○NSns1.cyso.nl2015-08-19 → 2017-06-30 · 4 obs

● 2015-08-19 12:55:10
● 2017-06-30 15:29:44
○ 2026-03-22 01:53:52
○ 2026-08-12 12:35:48

●NSns1.sqr.nl2026-03-22 → 2026-08-12 · 3 obs

○ 2017-06-30 15:29:44
● 2026-03-22 01:53:52
● 2026-08-12 12:35:48

○NSns2.cyso.eu2015-08-19 → 2017-06-30 · 4 obs

● 2015-08-19 12:55:10
● 2017-06-30 15:29:44
○ 2026-03-22 01:53:52
○ 2026-08-12 12:35:48

●NSns2.sqr.domains2026-03-22 → 2026-08-12 · 3 obs

○ 2017-06-30 15:29:44
● 2026-03-22 01:53:52
● 2026-08-12 12:35:48

○NSns3.cyso.net2015-08-19 → 2017-06-30 · 4 obs

● 2015-08-19 12:55:10
● 2017-06-30 15:29:44
○ 2026-03-22 01:53:52
○ 2026-08-12 12:35:48

●NSns3.sqr.cloud2026-03-22 → 2026-08-12 · 3 obs

○ 2017-06-30 15:29:44
● 2026-03-22 01:53:52
● 2026-08-12 12:35:48

○MXds.mathematica.be2015-08-19 → 2016-07-04 · 4 obs

● 2015-08-19 12:55:10
● 2016-07-04 07:50:34
○ 2017-03-18 08:33:02
○ 2026-08-12 12:35:48

●MXmail.mathematica.be2017-03-18 → 2026-08-12 · 3 obs

○ 2016-07-04 07:50:34
● 2017-03-18 08:33:02
● 2026-08-12 12:35:48

●MXmx1.cyso.net2017-03-18 → 2026-08-12 · 3 obs

○ 2016-07-04 07:50:34
● 2017-03-18 08:33:02
● 2026-08-12 12:35:48

●MXmx2.cyso.net2017-03-18 → 2026-08-12 · 3 obs

○ 2016-07-04 07:50:34
● 2017-03-18 08:33:02
● 2026-08-12 12:35:48

○A217.170.2.662017-03-18 → 2017-06-30 · 4 obs

● 2017-03-18 08:33:02
● 2017-06-30 15:29:44
○ 2026-03-22 01:53:52
○ 2026-08-12 12:35:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
be	z.nsset.be, y.nsset.be, a.nsset.be, c.nsset.be...	-
mathematica.be	ns1.sqr.nl, ns2.sqr.domains, ns3.sqr.cloud	-

✅ Authoritative Response

Server:93.94.227.166

NS records: ns1.sqr.nl, ns2.sqr.domains, ns3.sqr.cloud

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathematica.be (unsigned zone)

⏱️ Timing

Total: 773ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.sqr.nl, ns3.sqr.cloud...`
MX	3	`mx1.cyso.net (pri: 20), mail.mathematica.be (pri: 10)...`
TXT	1	`v=spf1 include:spf.cyso.nl -all`
SOA	1	`ns1.sqr.nl hostmaster.mathematica.be`

Analysis

Hierarchy

ds.mathematica.be and mail.mathematica.be are both subdomains of mathematica.be.

Name Servers

Three name servers are authoritative for mathematica.be: ns3.sqr.cloud, ns2.sqr.domains and ns1.sqr.nl.

At least some of mathematica.be's name servers are shared with other domains, for example omgevingsraadschiphol.nl, waarbenjijopreis.nl, rookoven.nl and two more.

It is common for these name servers to be used in conjunction with the name servers ns1.hosting.nl, ns2.hosting.nl and ns3.hosting.nl.

ns3.sqr.cloud resolves to 46.23.87.195 and 2a03:6000:1002:1002::54. ns2.sqr.domains resolves to 93.94.227.166 and 2a01:518:ffff:4020::53:4. ns1.sqr.nl resolves to 109.235.73.236 and 2a01:518:ffff:4020::53:3. All three hostnames point to two IP numbers each.

Mail Servers

The MX records for mathematica.be list three mail servers: mail.mathematica.be, mx1.cyso.net and mx2.cyso.net.

mathematica.be has at least partial mail server overlap with other domains such as nibcdirect.org, dutchspace.com, puingranulaat.com and two more.

These mail servers commonly appear together with filter.cyso.net, mail.cyso.nl, mail.eriksgroup.com and two other mail servers.

Each of mx1.cyso.net and mx2.cyso.net has one IP address: mx1.cyso.net uses 85.158.200.78 and mx2.cyso.net uses 85.158.202.246.