mathbase.org - dns.ninja

`mathbase.org`

DNSSEC	⚠️ Not signed
A	85.25.248.46^{🇫🇷 VELIANET-AS85.25.248.0/21}
		PTR	`triton902.startdedicated.net`
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.nh321.de` ⭐
		A	78.47.80.111^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`mosit.de`
SOA	`ns1.axcoredns.com`webmaster@mathbase.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=1786541632

Same first word

mathbase.cn

mathbase.net

mathbase.org

mathbase.ru

mathbase.com

Similar names

DNS History

9 records (6 active, 3 former)

●NSns1-tec.de2026-02-22 → 2026-08-12 · 3 obs

○ 2017-05-21 23:54:50
● 2026-02-22 04:58:06
● 2026-08-12 13:55:12

●NSns1.axcoredns.com2026-06-13 → 2026-08-12 · 3 obs

○ 2026-02-22 04:58:06
● 2026-06-13 12:30:40
● 2026-08-12 13:55:12

○NSns11.prosite.de2015-08-19 → 2017-05-21 · 4 obs

● 2015-08-19 08:58:34
● 2017-05-21 23:54:50
○ 2026-02-22 04:58:06
○ 2026-08-12 13:55:12

○NSns12.prosite.de2015-12-06 → 2016-09-11 · 5 obs

○ 2015-08-19 08:58:34
● 2015-12-06 17:18:22
● 2016-09-11 16:41:30
○ 2017-05-21 23:54:50
○ 2026-08-12 13:55:12

●NSns2-tec.de2026-02-22 → 2026-08-12 · 3 obs

○ 2017-05-21 23:54:50
● 2026-02-22 04:58:06
● 2026-08-12 13:55:12

●NSns2.axcoredns.org2026-06-13 → 2026-08-12 · 3 obs

○ 2026-02-22 04:58:06
● 2026-06-13 12:30:40
● 2026-08-12 13:55:12

●MXmail.nh321.de2015-12-06 → 2026-08-12 · 5 obs

● 2015-12-06 17:18:22
● 2016-09-11 16:41:30
○ 2017-05-21 23:54:50
● 2026-02-22 04:58:06
● 2026-08-12 13:55:12

●A85.25.248.462015-08-19 → 2026-08-12 · 5 obs

● 2015-08-19 08:58:34
● 2016-09-11 16:41:30
○ 2017-05-21 23:54:50
● 2026-02-22 04:58:06
● 2026-08-12 13:55:12

○CNAMEnh321.de2015-08-19 → 2017-05-21 · 4 obs

● 2015-08-19 08:58:34
● 2017-05-21 23:54:50
○ 2026-02-22 04:58:06
○ 2026-08-12 13:55:12

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:45.67.68.12

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathbase.org (unsigned zone)

⏱️ Timing

Total: 917ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.25.248.46`
NS	2	`ns2.axcoredns.org, ns1.axcoredns.com`
MX	1	`mail.nh321.de (pri: 100)`
SOA	1	`ns1.axcoredns.com webmaster.mathbase.org`

Analysis

IP Addresses

mathbase.org resolves to one IP address: 85.25.248.46.

korrekteur.de, nachhilfe-drei-zwei-eins.de, mail.telemath.de and two other host names share IP numbers with mathbase.org.

Name Servers

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

At least some of mathbase.org's name servers are shared with other domains, for example xn--tontrgersonderposten-fzb.de, fundev.de, laptop-world.de and two more.

ns1-tec.de and ns1.axcoredns.com both point to 45.67.68.12 and 2a09:71c0::101:0:12; ns2-tec.de and ns2.axcoredns.org both point to 46.224.169.132 and 2a01:4f8:c014:d47::12 — all four hostnames (ns1-tec.de, ns2-tec.de, ns1.axcoredns.com and ns2.axcoredns.org) resolve to exactly two IP addresses.

ns1-tec.de along with ns1.axcoredns.com each resolve to 2a09:71c0::101:0:12 IP addresses.

ns1-tec.de along with ns1.axcoredns.com each resolve to 45.67.68.12 IP addresses.

ns2-tec.de along with ns2.axcoredns.org each resolve to 2a01:4f8:c014:d47::12 IP addresses.

ns2-tec.de along with ns2.axcoredns.org each resolve to 46.224.169.132 IP addresses.

Mail Servers

Mail for mathbase.org is handled by a single mail server, mail.nh321.de.

mathbase.org uses an identical mail server configuration to several other domains — among them lehrsam.de, telemath.de, mathe-nachhelfer.de and two more.

mail.nh321.de carries a single IP number, which is 78.47.80.111.