mathspace.org - dns.ninja

`mathspace.org`

DNSSEC	⚠️ Not signed
A	5.9.74.113^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
		PTR	`vorhilfe.de`
NS	`ns1.axcoredns.com` ⭐ ⚠️ Not in parent delegation
		A	2a09:71c0::101:0:12^{🇩🇪 SYNLINQ2a09:71c0::/29}
		A	45.67.68.12^{🇩🇪 SYNLINQ45.67.68.0/24}
			PTR	`ns1-tec.de`
NS	`ns1-tec.de` ⚠️ Not in zone NS records
		A	2a09:71c0::101:0:12^{🇩🇪 SYNLINQ2a09:71c0::/29}
		A	45.67.68.12^{🇩🇪 SYNLINQ45.67.68.0/24}
			PTR	`ns1-tec.de`
NS	`ns2-tec.de` ⚠️ Not in zone NS records
		A	2a01:4f8:c014:d47::12^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	46.224.169.132^{🇮🇷 Hetzner46.224.0.0/15 HETZNER-DC}
			PTR	`ns2-tec.de`
NS	`ns2.axcoredns.org` ⚠️ Not in parent delegation
		A	2a01:4f8:c014:d47::12^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	46.224.169.132^{🇮🇷 Hetzner46.224.0.0/15 HETZNER-DC}
			PTR	`ns2-tec.de`
MX	`mail.vorhilfe.de` ⭐
		A	5.9.74.113^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
			PTR	`vorhilfe.de`
SOA	`ns1.axcoredns.com`webmaster@mathspace.org 2026-02-18 #2

`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=1785768174

Subdomains

www.mathspace.org

Same first word

mathspace.edu.vn

mathspace.pl

mathspace.co

mathspace.com

mathspace.gr

mathspace.net

mathspace.com.au

mathspace.co.uk

mathspace.eu

mathspace.org

Similar names

DNS History

10 records (6 active, 4 former)

●NSns1-tec.de2026-03-09 → 2026-08-03 · 3 obs

○ 2016-11-17 13:53:10
● 2026-03-09 17:05:32
● 2026-08-03 15:07:22

●NSns1.axcoredns.com2026-06-27 → 2026-08-03 · 3 obs

○ 2026-03-09 17:05:32
● 2026-06-27 00:39:06
● 2026-08-03 15:07:22

○NSns11.prosite.de2015-09-04 → 2016-11-17 · 4 obs

● 2015-09-04 08:24:52
● 2016-11-17 13:53:10
○ 2026-03-09 17:05:32
○ 2026-08-03 15:07:22

○NSns12.prosite.de2015-09-05 → 2016-11-17 · 5 obs

○ 2015-09-04 08:24:52
● 2015-09-05 05:51:38
● 2016-11-17 13:53:10
○ 2026-03-09 17:05:32
○ 2026-08-03 15:07:22

●NSns2-tec.de2026-03-09 → 2026-08-03 · 3 obs

○ 2016-11-17 13:53:10
● 2026-03-09 17:05:32
● 2026-08-03 15:07:22

●NSns2.axcoredns.org2026-06-27 → 2026-08-03 · 3 obs

○ 2026-03-09 17:05:32
● 2026-06-27 00:39:06
● 2026-08-03 15:07:22

●MXmail.vorhilfe.de2015-09-05 → 2026-08-03 · 2 obs

● 2015-09-05 05:51:38
● 2026-08-03 15:07:22

●A5.9.74.1132026-03-09 → 2026-08-03 · 3 obs

○ 2016-11-17 13:53:10
● 2026-03-09 17:05:32
● 2026-08-03 15:07:22

○A5.9.84.2172015-09-04 → 2016-11-17 · 4 obs

● 2015-09-04 08:24:52
● 2016-11-17 13:53:10
○ 2026-03-09 17:05:32
○ 2026-08-03 15:07:22

○CNAMEvorhilfe.de2015-09-04 → 2016-11-17 · 4 obs

● 2015-09-04 08:24:52
● 2016-11-17 13:53:10
○ 2026-03-09 17:05:32
○ 2026-08-03 15:07:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
mathspace.org	ns1-tec.de, ns2-tec.de	-

✅ Authoritative Response

Server:45.67.68.12

NS records: ns1-tec.de, ns2-tec.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathspace.org (unsigned zone)

⏱️ Timing

Total: 667ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.9.74.113`
NS	2	`ns1.axcoredns.com, ns2.axcoredns.org`
MX	1	`mail.vorhilfe.de (pri: 100)`
SOA	1	`ns1.axcoredns.com webmaster.mathspace.or`

Analysis

Hierarchy

mathspace.org is a parent domain of www.mathspace.org.

IP Addresses

mathspace.org resolves to one IP address: 5.9.74.113.

unimatheforum.de, m.vorhilfe.de, www.matheforum.net and two other host names share IP numbers with mathspace.org.

Name Servers

The authoritative name servers for mathspace.org are ns1-tec.de, ns2-tec.de, ns1.axcoredns.com and ns2.axcoredns.org.

mathspace.org shares at least some of its name servers with other domains, including alphamobile.de, pharmadent.de, tkrr.de and two others.

The hostnames ns1-tec.de, ns2-tec.de, ns1.axcoredns.com and ns2.axcoredns.org each resolve to two IP addresses. ns1-tec.de and ns1.axcoredns.com both point to 45.67.68.12 and 2a09:71c0::101:0:12, while ns2-tec.de and ns2.axcoredns.org both resolve to 46.224.169.132 and 2a01:4f8:c014:d47::12.

ns1-tec.de and ns1.axcoredns.com are host names that each point to 2a09:71c0::101:0:12 IP addresses.

ns1-tec.de and ns1.axcoredns.com are host names that each point to 45.67.68.12 IP addresses.

ns2-tec.de and ns2.axcoredns.org are host names that each point to 2a01:4f8:c014:d47::12 IP addresses.

ns2-tec.de and ns2.axcoredns.org are host names that each point to 46.224.169.132 IP addresses.

Mail Servers

Mail for mathspace.org is handled by a single mail server, mail.vorhilfe.de.

mathspace.org uses an identical mail server configuration to several other domains — among them vorwissen.de, mathe-raum.de, vorhilfe.de and two more.

mail.vorhilfe.de resolves to a single IP number: 5.9.74.113.