`mathematicon.org`

DNSSEC	⚠️ Not signed
A	89.117.148.201^{🇺🇸 CONTABO-USA89.117.144.0/21}
		PTR	`vmi1844388.contaboserver.net`
NS	`ns1.contabo.net` ⭐
		A	2a02:c207:ff00:1200::1^{🇩🇪 CONTABO2a02:c207::/32}
		A	5.180.150.13^{🇺🇸 CONTABO5.180.150.0/24}
			PTR	`ns1.contabo.net`
NS	`ns2.contabo.net`
		A	2a02:c202:5028:1200::1^{🇩🇪 CONTABO2a02:c202::/32}
		A	195.179.224.10^{🇩🇪 CONTABO195.179.224.0/21}
			PTR	`ns2.contabo.net`
NS	`ns3.contabo.net`
		A	2605:a140:5028:1200::1^{🇺🇸 CONTABO-USA2605:a140::/32 Contabo Inc. 710 N Tucker Blvd. STE 420 St. Louis, MO 63101 US}
		A	209.126.15.15^{🇺🇸 CONTABO-USA209.126.0.0/20 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States}
			PTR	`ns3.contabo.net`
MX	`mail.mathematicon.org` ⭐
		A	89.117.148.201^{🇺🇸 CONTABO-USA89.117.144.0/21}
			PTR	`vmi1844388.contaboserver.net`
TXT	`v=spf1 +mx +a +ip4:89.117.148.201 ~all`
SOA	`ns1.contabo.net`hostmaster@contabo.de serial=1786123516

`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=1786122405

rank #970000 globally
rank #73897 in the tld

Previously MX for

mathematicon.org

Same first word

mathematicon.org

DNS History

13 records (5 active, 8 former)

○NSdns-s01.nlrs.jp2015-11-13 → 2016-05-09 · 4 obs

● 2015-11-13 08:25:20
● 2016-05-09 06:16:06
○ 2017-01-15 07:55:52
○ 2026-08-07 17:25:16

○NSdns-s02.nlrs.jp2015-11-13 → 2016-05-09 · 4 obs

● 2015-11-13 08:25:20
● 2016-05-09 06:16:06
○ 2017-01-15 07:55:52
○ 2026-08-07 17:25:16

●NSns1.contabo.net2026-07-31 → 2026-08-07 · 3 obs

○ 2018-08-12 04:00:02
● 2026-07-31 11:06:30
● 2026-08-07 17:25:16

○NSns1.parkingcrew.net2017-01-15 → 2017-01-15 · 4 obs

○ 2016-05-09 06:16:06
● 2017-01-15 07:55:52
○ 2018-08-12 04:00:02
○ 2026-08-07 17:25:16

●NSns2.contabo.net2026-07-31 → 2026-08-07 · 3 obs

○ 2018-08-12 04:00:02
● 2026-07-31 11:06:30
● 2026-08-07 17:25:16

○NSns2.parkingcrew.net2017-01-15 → 2017-01-15 · 4 obs

○ 2016-05-09 06:16:06
● 2017-01-15 07:55:52
○ 2018-08-12 04:00:02
○ 2026-08-07 17:25:16

●NSns3.contabo.net2026-07-31 → 2026-08-07 · 3 obs

○ 2018-08-12 04:00:02
● 2026-07-31 11:06:30
● 2026-08-07 17:25:16

○MXmail.h-email.net2017-01-15 → 2017-01-15 · 4 obs

○ 2016-05-09 06:16:06
● 2017-01-15 07:55:52
○ 2018-08-12 04:00:02
○ 2026-08-07 17:25:16

●MXmail.mathematicon.org2026-07-31 → 2026-08-07 · 3 obs

○ 2018-08-12 04:00:02
● 2026-07-31 11:06:30
● 2026-08-07 17:25:16

○MXmathematicon.org2015-11-13 → 2016-05-09 · 4 obs

● 2015-11-13 08:25:20
● 2016-05-09 06:16:06
○ 2017-01-15 07:55:52
○ 2026-08-07 17:25:16

○A113.208.25.212015-11-13 → 2016-05-09 · 4 obs

● 2015-11-13 08:25:20
● 2016-05-09 06:16:06
○ 2017-01-15 07:55:52
○ 2026-08-07 17:25:16

○A185.53.179.92017-01-15 → 2017-01-15 · 4 obs

○ 2016-05-09 06:16:06
● 2017-01-15 07:55:52
○ 2018-08-12 04:00:02
○ 2026-08-07 17:25:16

●A89.117.148.2012026-07-31 → 2026-08-07 · 3 obs

○ 2018-08-12 04:00:02
● 2026-07-31 11:06:30
● 2026-08-07 17:25:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
mathematicon.org	ns2.contabo.net, ns3.contabo.net, ns1.contabo.net	-

✅ Authoritative Response

Server:5.180.150.13

NS records: ns2.contabo.net, ns3.contabo.net, ns1.contabo.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathematicon.org (unsigned zone)

⏱️ Timing

Total: 845ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.117.148.201`
NS	3	`ns1.contabo.net, ns2.contabo.net...`
MX	1	`mail.mathematicon.org (pri: 10)`
TXT	1	`v=spf1 +mx +a +ip4:89.117.148.201 ~all`
SOA	1	`ns1.contabo.net hostmaster.contabo.de`

Analysis

IP Addresses

mathematicon.org has exactly one IP address — 89.117.148.201.

capromet.dz, mail.capromet.dz, microsiis.dz plus two other host names have IP numbers in common with mathematicon.org.

Name Servers

mathematicon.org carries NS records delegating to ns1.contabo.net, ns2.contabo.net and ns3.contabo.net.

mathematicon.org has at least partial name server overlap with other domains, such as gogoerdt.com, sentra.com.sg, edumia.net and two others.

ns1.contabo.net, ns2.contabo.net and ns3.contabo.net are three hostnames that each resolve to a pair of IP addresses: ns1.contabo.net to 5.180.150.13 and 2a02:c207:ff00:1200::1, ns2.contabo.net to 195.179.224.10 and 2a02:c202:5028:1200::1, and ns3.contabo.net to 209.126.15.15 and 2605:a140:5028:1200::1.

Mail Servers

mathematicon.org uses one mail server — mail.mathematicon.org.

mail.mathematicon.org carries a single IP number, which is 89.117.148.201.

mathematicon.org - robtex.com